Floorboard Repair and Replacement Services SA 2026 - Complete Cost Breakdown

Floorboard Repair and Replacement Costs in South Australia for 2026

Timber floors are repairable in a way that almost no other floor covering is, which is the main argument for having one. A damaged carpet is replaced and a cracked tile is cut out, but a timber floor can be patched, sanded and refinished repeatedly across a century. That also means a repair is worth doing properly, because the floor will outlast several owners.

The pricing in South Australia in 2026 starts at $80 to $220 for an individual board and runs to $150 to $320 per square metre for full replacement. In between sit the common jobs, with squeak and loose board work at $250 to $600 a room, water-damaged sections at $180 to $420 per square metre, and bearer or joist replacement at $350 to $900 per member. Sanding and recoating after any of those adds $35 to $70 per square metre.

The thing that separates a good outcome from a poor one is diagnosis. A board that has cupped, sunk, split or started squeaking is telling you about a condition underneath it instead of about itself, and the four usual conditions are moisture, structural movement, insect activity and a fixing that has let go. Replace the board without resolving which one applies and it will fail again in the same place within a few years.

Two South Australian factors run through all of this. The first is the housing stock, since a large share of older Adelaide homes sit on bearers and joists over a crawl space with floors laid in Baltic pine, a timber that has not been imported in volume for decades and now comes only from salvage. The second is the ground, because reactive clay across the Adelaide plains lifts and drops footings through the seasons and that movement arrives at the floor as squeaks, gaps and unevenness that have nothing to do with the boards themselves.

Common Problems and What Actually Causes Them

Six problems account for nearly all the work in this category, and each one points at a different cause. Reading the symptom correctly is what tells you whether you are buying a carpentry job or a subfloor job.

Cupping, where the edges of boards lift higher than their centres, means moisture is coming from below. That is a subfloor problem every time, whether from a plumbing leak, poor ventilation, or ground moisture under a closed-in perimeter. Crowning is the opposite shape and usually means a cupped floor was sanded flat while still wet and then dried, which locks the error in permanently and is one of the better arguments for patience after any water event.

Squeaks come from movement between two surfaces and there are only a few candidates. A board moving against its neighbour, a board moving against a joist, a loose fixing working in its hole, or a joist moving on a bearer. Locating which of those is straightforward from underneath and largely guesswork from above, which is why subfloor access changes both the diagnosis and the price.

Soft or spongy boards mean the timber has lost structural integrity, and the two causes are prolonged moisture and insect attack. Both need the cause dealt with before replacement. Localised sinking across a larger area points to a failed bearer, joist or stump rather than to the boards, and splits running along the grain are usually seasonal shrinkage, particularly in a room that gets long hours of direct sun.

Gaps between boards are the one that generates the most unnecessary worry. A timber floor in Adelaide will open up gaps through a hot dry summer and close them again over winter, because the boards give up moisture to the air and take it back, and that annual cycle is normal , not a defect. A gap that stays open year-round, or one that is dramatically wider than its neighbours, is a different matter and worth investigating.

Individual Board Replacement Costs

Replacing boards one at a time is the bread and butter of this trade and it is priced per board at $80 to $220. The spread is almost about sourcing the replacement rather than about the labour of fitting it.

The work itself is methodical and quite quick. The damaged section is cut out between joists, the tongue is removed from the replacement so it can drop into place, the new piece is fixed and glued, and the joint is set flush ready for sanding. A competent carpenter will stagger the joints instead of lining them up, because a row of joints across the same line is visible even after finishing and looks like a repair forever.

Doing several at once is a good deal cheaper per board. A single board attracts the attendance cost, so one might come to $220 while six in the same room work out closer to $110 each. Anyone with scattered damage should count every board they want done before calling, including the ones that are merely marked rather than failing, because the marginal cost of the later boards is small.

Where the damage sits matters as much as how much of it there is. A board under a fixed kitchen cabinet or inside a built-in wardrobe is awkward and may need the cabinetry lifted, which brings another trade in. A board at a doorway threshold or running under a wall carries the ends of other boards and needs more care. Those situations sit at the top of the range and should be identified at quoting instead of discovered mid-job.

The finishing decision is where people underestimate the cost. A new board sanded and coated in place within an existing floor will almost always be visible as a lighter patch, because the surrounding timber has aged and darkened for decades. Getting an invisible result means sanding and recoating the whole room, which is why floor sanding is usually quoted alongside board replacement instead of as an afterthought.

Matching Boards and Species

Matching is the single most South Australian part of this subject, because of what the older housing stock is floored in. Getting it right determines whether a repair disappears or announces itself.

Baltic pine is the defining material in pre-1930s Adelaide housing. It arrived as ballast and cargo through the colonial period, it was cheap and plentiful then, and it has not been imported in volume for the better part of a century. A Baltic pine floor is recognisable by its pale colour, fine straight grain, narrow boards and a tendency to show every nail hole and knot. Replacement comes from demolition salvage, and the practical consequence is that a salvage yard with the right width in stock is worth more to the job than any amount of carpentry skill.

Hardwood floors in the interwar and post-war stock bring a different problem. The species vary, with jarrah and karri arriving from Western Australia, along with messmate, stringybark and mixed Australian hardwoods, and the board widths and tongue profiles of the period are often no longer milled. A modern board of the same species will often be a different width and a different thickness, which means it either sits proud and has to be sanded down or sits low and needs packing.

Three practical routes exist when no match is available and they are worth knowing before anybody suggests replacing the whole floor. Boards can be relocated from a concealed area such as inside a wardrobe or beneath a fixed cabinet to patch the visible part of the room, with the modern board going into the hidden spot. The patch can be accepted as a visible difference, which on a rustic floor is sometimes entirely acceptable. Or a larger area can be replaced to a natural break such as a doorway, producing a deliberate change rather than a patch.

Colour is the other half of matching and it is handled by finishing rather than sourcing. New timber of the correct species will still be lighter than hundred-year-old timber beside it, so the match is achieved with stain and by recoating the whole area. An operator who talks only about sourcing the board and not about blending the colour has thought about half the problem, and timber flooring specialists are generally better at this than general carpenters.

Squeaks, Movement and Loose Boards

Squeaks are the most common complaint in this category and among the cheapest to resolve properly, at $250 to $600 per room. They are also the repair most often botched, because the quick fixes from above rarely hold.

The cause is always two surfaces moving against each other, and there are four candidates. A board rubbing against its neighbour, a board lifting off a joist as weight passes, a nail working in an enlarged hole, or a joist shifting where it sits on a bearer. Each has a different fix and only the first two can be addressed sensibly from above.

Working from underneath is what distinguishes a lasting repair. With subfloor access a carpenter can locate the movement, pack and wedge between joist and board, add blocking between joists, or screw the board down from below so no fixing shows on the finished surface. That approach costs more in access time and produces a floor that stays quiet.

From above the options are more limited and more visible. Screwing through the face of the board and filling the hole works and is the usual approach where there is no subfloor access, such as over a concrete slab or in a second storey, but the filled holes are detectable and it commits you to a recoat. Powdered graphite or talc worked into a squeaking joint is a genuine temporary measure that buys months instead of years.

Where squeaks have appeared across a whole floor rather than in one or two spots, that is a structural signal , not a fixing problem. Seasonal movement on reactive clay, a failing stump, or a bearer that has dropped will all produce widespread noise, and the right response is to look at restumping or subfloor structure rather than chasing individual squeaks around the room. Where a whole floor has gone noisy over one wet winter, the ground is almost always what it is reporting.

Water Damage and Cupping

Water is the commonest cause of serious floorboard damage and the one where acting too quickly does the most harm. Repairing a water-damaged section runs $180 to $420 per square metre, but the timing matters more than the figure.

A wet timber floor cups because the underside absorbs moisture and swells while the top stays comparatively dry, lifting the board edges. Given controlled drying and time, a surprising amount of that movement reverses, sometimes almost, over four to eight weeks. Putting a sander across a floor that is still moving locks the distortion in and produces crowning once it finally dries, which means a second sand and a real loss of thickness from a floor that only has a few sands left in it.

The correct sequence is to stop the water, dry the subfloor and the room with equipment instead of hoping, take moisture readings until they stabilise, wait several weeks, and only then assess what needs replacing. A tradesperson who proposes sanding a cupped floor a fortnight after a leak is giving you a job that will need redoing, and that advice holds regardless of how much the floor is annoying you in the meantime.

Which boards need replacing is usually far fewer than it looks while wet. Boards that have gone soft, split through, delaminated at a glue line or lost their fixing grip are replaced. Boards that are merely cupped or stained commonly recover and finish acceptably. Deciding that at the four-week mark , not the four-day mark saves a great deal of money.

Leaks under a slab deserve a mention because the symptom is indirect. On a slab-on-ground floor with timber overlay, a plumbing leak shows as a localised area of cupping or lifting with no visible water, and on reactive clay it can also show as cracking in the walls as the soil beneath swells. Where a floor has cupped in one spot with no obvious cause, a plumbing investigation is cheaper than replacing boards twice.

Termite and Borer Damage

Insect damage is the one category where the repair is genuinely the smaller part of the job. Replacing termite-damaged boards runs $220 to $550 per square metre, and the treatment and inspection work that has to come first is priced separately.

The order of those steps is not negotiable. Boards replaced over an active termite workings will be eaten again, and the new timber is often more attractive to them than the old. The correct sequence is inspection to establish whether the activity is current, treatment to deal with it, a waiting period to confirm the treatment has worked, and only then replacement of the damaged timber. Any operator proposing to replace boards before an inspection has been done is selling you a repeat job.

Recognising the damage helps you ask the right questions. Termites hollow timber from the inside and leave the surface intact, so the symptom is a board that sounds hollow when tapped and gives way under pressure while looking sound, often with fine mud packed into the galleries. Borers leave small round exit holes and fine powder, and in older Adelaide housing a modest amount of historic borer damage in Baltic pine is extremely common and commonly inactive. Distinguishing historic from active is exactly what an inspection is for.

South Australia has lower termite pressure than the eastern seaboard but it is far from absent, and the risk is concentrated where conditions suit them. Several site conditions raise the termite risk much. A subfloor that stays damp because the perimeter has been closed in with paving or garden beds, timber in contact with soil, a leaking tap or air conditioner condensate discharging under the house, and stored firewood against an external wall all qualify, and all of them are fixable. They are also what causes the moisture problems in the previous section, which is why one subfloor inspection frequently finds both.

For anyone buying an older South Australian house, this is the single most useful inspection available. A pre-purchase pest inspection that includes proper subfloor access costs a few hundred dollars and routinely finds damage that a building inspection from above does not, and ongoing termite inspection at regular intervals is the standard preventive measure.

Subfloor, Bearers and Joists

Everything above the subfloor depends on the subfloor, and in older South Australian housing this is where the genuine problems live. Bearer or joist replacement runs $350 to $900 per member.

The structure is simple and the failure points are predictable. Stumps or piers carry bearers, bearers carry joists, joists carry the boards. Failures happen at the ends of members, where they meet masonry or sit on a stump, because that is where moisture collects, and in a stone or brick South Australian house the end of a bearer built into a wall is exposed to whatever moisture that wall is carrying.

Salt damp makes this specifically worse here than in most states. A wall drawing groundwater upward brings dissolved salts with it, and the bearer end sitting in that wall gets both the moisture and the salt, which rots the timber and corrodes any fixings. A floor that has dropped along one wall of an older Adelaide bluestone or sandstone house is often reporting salt damp instead of a floor problem, and salt damp treatment is part of the repair instead of a separate issue.

Ventilation is the preventable half of all of this. A subfloor space needs airflow to carry away ground moisture, and a great many older Adelaide homes have had that airflow progressively cut off by concrete paths, paving, raised garden beds, added rooms and extensions built across the perimeter. The result is a crawl space that stays damp year-round and transmits moisture into the bearers, joists and the underside of the flooring indefinitely. Additional vents at $120 to $280 each, or mechanical extraction where passive venting is not possible, is routinely the cheapest effective intervention available on an old floor.

Movement from reactive clay is the other recurring South Australian factor and it is managed instead of solved. The clay soils across much of the Adelaide plains swell when wet and shrink when dry, which lifts and drops footings seasonally, and that arrives at the floor as squeaks, unevenness and doors that bind in winter. Restumping onto deeper or more stable footings reduces it, while chasing individual symptoms year after year does not.

Access largely determines what any of this costs. A subfloor with a metre of clearance and an accessible entry is straightforward to work in, while one with three hundred millimetres of crawl space, which is common in the older stock, makes every repair slower and more expensive. Where access is impossible, repairs have to be done from above by lifting boards, which adds the cost of taking up and relaying the floor on top of the structural work.

Sanding and Recoating After Repair

Sanding is what turns a sound repair into an invisible one, and it is priced per square metre at $35 to $70 for the sand and coat together. For most repairs it is not optional if you want the result to look right.

The reason for that comes down to colour. Timber darkens with age and with light exposure, so a new board of exactly the correct species sitting in a hundred-year-old floor will be noticeably paler, and no amount of careful carpentry changes that. Sanding the room back to bare timber brings everything to the same starting point, and the new board then takes the same stain and coating as the rest. Light exposure is the bigger half of that ageing, which is why the timber under a rug that has sat in one spot for thirty years comes up noticeably paler than the floor around it once the rug is lifted. A full sand resolves that too, and a patch sand will not.

Floors have a finite number of sands and that is worth knowing before you agree to one. A solid tongue and groove board can usually take three to five full sands across its life before the tongue is compromised and the board becomes too thin to hold a fixing. Many older Adelaide floors have already had two or three, so an experienced operator should be checking the remaining thickness rather than assuming, and a floor near its limit calls for a light screen and recoat , not a full sand.

Coating choice affects both the look and the practicalities. Solvent-based polyurethane is the most durable and the most forgiving to apply, with a noticeable amber tone that suits older floors, and it takes the longest to cure with the strongest odour. Water-based coatings cure faster, smell far less and keep the timber closer to its natural colour, at somewhat lower abrasion resistance. Hardwax oils give the most natural appearance and are repairable in patches instead of requiring a whole recoat, which on a floor that gets knocked about is a genuine advantage.

Ask which coating is being quoted by name. The brands behave differently and the price reflects it. Bona is the system most commercial floor sanders work with, and its water-based finishes are the usual specification where low odour and a fast return to service matter. Feast Watson and Cabot's are the ranges most often reached for on solvent-based polyurethane work, and both are stocked in any trade outlet. That last point matters more on an older Adelaide floor than it sounds, because a recoat in three years is far simpler when the original product is still sitting on a shelf.

Expect to be out of the room, and plan around the cure instead of the sand. The sanding itself is a day or two, but coatings need time between layers and a full cure before furniture goes back, which in practice means four to seven days for the room depending on the system. A fast-track quote that promises furniture back the next day is promising you a floor that will mark under every chair leg for its first year.

Gaps, Shrinkage and Seasonal Movement

Gaps generate more unnecessary worry than any other floorboard issue, and in South Australia they are usually normal. Understanding the annual cycle tells you whether yours needs anything done at all.

Timber takes moisture from the air and gives it back, expanding and contracting across its width as it does. Adelaide summers are hot and genuinely dry, with long stretches of very low humidity, so boards give up moisture and shrink, opening gaps along their edges. Through a cooler damper winter they take it back and the gaps close. A floor that opens up in February and tightens by July is behaving exactly as timber behaves and needs no intervention. The useful habit is to look at the same two or three gaps in February and again in July, because a floor that visibly changes between those two readings is behaving normally. One that sits open in both is doing something else and deserves a closer look.

What is worth investigating is a gap that does not follow that cycle. One that stays open year-round, one dramatically wider than its neighbours, or a cluster of gaps in one area while the rest of the floor is tight all point at something other than humidity. Those causes are usually a board that has lost its fixing, a joist that has moved, or an area that has been wet and dried out faster than the rest.

Filling gaps is possible and commonly a mistake on a solid timber floor. A rigid filler in a gap that wants to close in winter has nowhere to go, so it either squeezes out and sits proud or it forces the boards apart and transfers the problem elsewhere. On a floor with normal seasonal movement the honest advice is to leave the gaps alone. Where gaps need closing, for draughts or for appearance, the options are a flexible filler that accommodates movement, a rope-and-filler method on wide gaps, or lifting and re-laying the floor tight, which is the only permanent answer and much the most expensive.

Draughts through gaps are a real comfort issue in older South Australian houses and worth addressing from below rather than above. Insulating the subfloor stops the cold air movement without interfering with the boards, and underfloor insulation also helps considerably with summer heat gain through an uninsulated floor. That approach treats the cause of the discomfort rather than sealing the symptom.

Parquetry and Feature Floors

Parquetry appears in a reasonable number of Adelaide houses from the interwar and post-war periods, often in an entrance hall or a formal lounge. Replacing individual blocks runs $25 to $70 each, with the labour rather than the material driving the cost.

The failure mode is almost always adhesive rather than timber. Parquetry blocks are glued to a subfloor, and the bitumen-based adhesives used historically become brittle with age and let go, so the symptom is blocks that lift, rock or come away entirely. Where a few blocks have lifted the repair is to clean the bed, re-glue and re-level, and where a whole area has let go it needs lifting and re-laying as a section.

Moisture under parquetry is more damaging than under a strip floor because the blocks are small and lift readily once the glue is compromised. A slab leak or rising damp beneath a parquetry floor will progressively release an expanding patch, and dealing with the moisture is a precondition for any repair that is going to hold.

Sanding parquetry is specialist work and costs more for a straightforward reason, which is that the grain runs in several directions within a small area. A sander working in one direction raises the grain on every block oriented across it, so the work has to be done in stages with finer grades and more care. Add $15 to $30 per square metre over a strip floor, and use an operator who has done it before, because the mistakes are hard to undo. Decorative patterns in strip flooring have their own specialists, and herringbone flooring work follows similar principles.

Engineered, Bamboo and Floating Floors

Engineered and floating floors are now the majority of new timber installations and they repair very differently from solid boards. The key constraint is the wear layer, which is a few millimetres of real timber over a plywood or fibreboard core.

That thin wear layer limits what can be done. An engineered floor can usually take one light sand in its life and sometimes none at all, which means the repeated repair-and-refinish cycle that makes solid timber so durable is not available. Damage that would be a routine patch on a solid floor becomes a board replacement, and board replacement on a floating floor means unclipping from the nearest wall inward rather than cutting one piece out.

Water is the decisive factor with these products. The fibreboard core in most engineered and all laminate products swells irreversibly when wet and does not recover, so a floating floor that has been wet for more than a day or two is generally a replacement instead of a dry-out. Bamboo sits somewhere in between, being more dimensionally stable than laminate and less forgiving than solid hardwood.

Batch matching is the other practical problem to plan around. Engineered and bamboo products are manufactured in batches with colour variation between them, and a product bought four years ago may no longer be available or may not match the current production run. Anyone installing one of these floors should keep a box of spare boards in the shed, because that single box is the difference between an invisible repair and replacing a whole room. For replacement across a larger area, floating floor installation and engineered timber flooring cover the costs.

Expansion gaps are the commonest installation fault and the one that produces complaints a year later. A floating floor needs a perimeter gap to move into, and where that has been omitted or filled with silicone the floor has nowhere to go and lifts in the middle of the room as it expands. The fix is cutting the perimeter back and refitting the skirting or scotia, which is far cheaper than the replacement people usually assume is needed.

Heritage Floors and Baltic Pine

Heritage floors deserve their own treatment because the usual assumptions do not hold. A floor that looks worn out is as a rule in better condition than it appears, and the things that damage it are different.

Baltic pine is the material that defines pre-1930s Adelaide flooring and it needs a particular approach. It is a softwood, so it dents and marks readily and over-sanding is a genuine risk in a way it is not with hardwood. An aggressive sand on a Baltic pine floor can remove more than it needs to in a single pass and leave boards too thin to hold a fixing, which is unrecoverable. An operator experienced with the timber will use finer grades and take more passes, and will tell you if the floor has already had its last full sand.

The character question is worth settling before work starts instead of after. A hundred-year-old floor carries nail holes, knots, old stain lines where rugs and furniture sat, slight colour variation and surface marks, and sanding hard enough to remove all of that removes much of what makes the floor worth keeping. Most owners of these houses want the marks retained and the surface sound, which is a lighter sand than a modern floor would get, and it is worth saying so explicitly because the default assumption in the trade runs the other way.

Where a property sits in a heritage conservation area or carries a local or state listing, there may be constraints on what can be done to significant interiors. In practice floors are more often affected by general requirements around the building than by specific conditions. Checking the listing status with the council before major work is sensible, and information on the planning system across the state is published at sa.gov.au.

One safety matter is specific to these houses and genuinely important. Floors, skirtings and architraves in pre-1970 South Australian homes may carry lead-based paint, and sanding lead paint produces a fine dust that is a recognised health hazard, particularly for young children and pregnant women. Painted timber floors and painted skirtings in an older house should be tested before any sanding starts, and lead paint removal is a separate specialist job rather than something to run a sander over.

Repair, Overlay or Replace

Three options exist for a floor in poor condition and the right one depends on how much board thickness is left instead of on how bad the surface looks. That is the measurement worth getting before any decision.

Repair and refinish is the right answer in the large majority of cases and it is routinely underestimated. Boards that still carry two or three millimetres above the tongue, scattered damage and a tired finish will come back looking remarkable for $35 to $70 per square metre plus whatever board replacement is needed. People often replace floors that had decades of service left in them because the surface looked beyond saving, which it rarely is.

Overlay means laying a new floor over the existing one, which avoids the cost of removal and the disruption of exposing a subfloor. It works where the existing floor is structurally sound and reasonably flat, and it is commonly done with engineered boards or a floating floor. The constraints are height, since the new floor raises the level and affects door clearances and thresholds, and that an overlay conceals the old floor permanently rather than solving anything underneath it.

Full replacement becomes the honest answer in a smaller set of cases than the trade sometimes suggests. Those are a floor sanded past its remaining thickness, widespread structural damage from termites or prolonged moisture, a subfloor needing substantial work that requires the boards up anyway, or a floor with so much patching from previous eras that nothing will blend. At $150 to $320 per square metre plus any subfloor work, it is a major undertaking and worth confirming with a second opinion.

The measurement that settles it costs nothing and is the question to ask. Lift a board at a doorway or in a wardrobe and look at how much timber sits above the tongue, because that is how many sands the floor has left. Three millimetres or more and the floor has years of life in it. Under a millimetre and a full sand will compromise the tongue, which means the honest options are a light screen and recoat, an overlay, or replacement. Any operator recommending replacement should be able to show you that measurement.

One point of sequencing applies across all three options. Where subfloor work is needed, meaning bearers, joists, stumps or ventilation, it has to happen before any surface decision, because the boards may need to come up for it anyway and a newly finished floor is the worst time to discover that. floor levelling and structural work first, surface finish last, in every case.

Adelaide Metropolitan Pricing Variations

Rates for this work are reasonably consistent across metropolitan Adelaide, so what moves the price between areas is the age of the housing and the subfloor it sits on. Both track the era the suburb was built in.

The inner and inner-eastern suburbs are the most expensive and also where the best floors are. Prospect, Norwood, Unley, Thebarton, Goodwood and the city fringe are dominated by pre-1930s cottages and villas on bearers and joists with Baltic pine floors, which means salvage sourcing, careful sanding of a softwood, commonly restricted subfloor clearance and sometimes salt damp at the bearer ends. Those are more skilled jobs and priced accordingly.

The interwar and post-war middle ring sits in the middle on price and is the easiest work in many respects. Suburbs through the inner north east, the western suburbs and the older parts of the south have hardwood strip floors on reasonable subfloor clearance, and while the board profiles can be hard to match the timber itself is tough and it sands well.

Out in the growth corridors north and south the work is cheaper and different in kind. Houses built from the 1980s onward are predominantly slab-on-ground, so there is no subfloor and no bearers or joists, and the timber is usually an engineered or floating floor over the slab. That removes a whole class of problem and introduces the engineered-floor constraints instead, meaning batch matching and a wear layer that will not take repeated sanding. The Adelaide Hills sits apart again, with older housing, damp subfloors from higher rainfall and more tree cover, and the longest drying times in the metropolitan area.

Regional South Australian Pricing Patterns

Regional pricing on floors splits in an unusual way, because the labour can be local while the specialist sanding equipment and the matching timber commonly are not. That split is worth understanding before you book anything, because it changes how the work should be scheduled.

Carpentry itself is widely available across the state. Board replacement, squeak repairs and subfloor work suit a local carpenter in any of the regional centres, and rates through Mount Gambier, Port Pirie, Whyalla, Port Lincoln and Murray Bridge and the Riverland towns run at or below outer Adelaide. Travel applies outside town, typically $100 to $350 as a mobilisation charge.

Floor sanding is the part that often travels. It needs specific equipment, dust extraction and real experience, and outside the larger centres the operator may come from Adelaide with gear in a trailer. That makes sanding a job to batch rather than to do room by room, since the mobilisation is the same whether one room or four are being done. It is also an argument for doing the whole floor at once even where only part of it is damaged.

Matching timber is harder outside Adelaide for the obvious reason that the salvage yards are mostly in the city. A regional repair needing period Baltic pine or an obsolete hardwood profile generally involves sourcing in Adelaide and freighting, which adds both cost and a week or two of lead time. Relocating boards from a concealed part of the same house is a more attractive option in regional South Australia than it is in the city, precisely because the sourcing alternative is slower.

Two regional conditions change the technical picture as well. The Riverland, the Murraylands, the Mid North and the Mallee are hot and very dry in summer, which pushes seasonal shrinkage to its extreme and produces wider gaps than the same floor would show in Adelaide, and that argues strongly against rigid gap filling. The Limestone Coast and the lower south east are the opposite, with higher rainfall and humidity, so subfloor dampness and the problems that follow it are more common there than anywhere else in the state. For the wider trade picture, our South Australian flooring hub covers installation alongside repair, and carpentry services covers the structural side beneath it.

Unattended properties on the Yorke Peninsula, the Fleurieu and along the Coorong carry the same risk they do in every repair category. A slow leak under a holiday house that nobody visits for two months turns a board repair into a subfloor reconstruction, and turning the water off at the meter on departure removes that risk entirely at no cost.

What to Look Out For in Quotes

The single thing that separates a good quote from a poor one in this category is whether anybody looked underneath. A quote written from standing in the room is a guess about the part of the job that actually matters.

Ask directly whether the subfloor has been inspected and what was found. The answer should cover the condition of the bearers and joists in the affected area, whether there is any moisture present, whether ventilation is adequate, and whether there is any sign of insect activity. An operator who has crawled under the house will tell you all four without prompting. One who has not will talk only about the boards.

For the surface work, three questions settle most of it. Ask how much timber remains above the tongue, because that figure determines whether a full sand is even possible and an experienced operator will have measured it instead of estimated. Ask what match is proposed for replacement boards and where it is coming from. And ask whether the quote includes sanding and recoating the whole room or just the patch, since a patch sand is cheaper and will almost always remain visible.

On getting comparable quotes, do three things before anybody arrives. Walk the floor and mark every board you want addressed with a sticky note, including the merely marked ones, because the marginal cost of extra boards is small and it stops the scope drifting between visits. Photograph the worst areas and, if you can get under the house safely, photograph the subfloor beneath them. Then write a short description of what the floor has been through, including any leak, any flood, when it was last sanded and roughly when the house was built, and give the same page to each operator. That history is genuinely diagnostic and it prevents three quotes being written against three different assumptions.

Watch for two patterns that should prompt more questions. The first is an immediate recommendation to replace the whole floor without a thickness measurement or a subfloor inspection, which is the most expensive outcome arrived at with the least evidence. The second is a proposal to sand a cupped or recently wet floor without a waiting period, which produces a floor that needs doing again and wastes one of the limited number of sands it has. Both are common enough to be worth naming.

On contracts and payment, structural and carpentry work above the prescribed value requires a licensed contractor and a written agreement in South Australia, and the statutory warranties that attach to residential building work apply regardless of the paperwork. Keep deposits modest, tie progress payments to completed stages, and verify the contractor licence and business details through Consumer and Business Services before any money moves. Where a dispute arises after the work, Consumer and Business Services can convene a conciliation conference and the Magistrates Court of South Australia hears the claim if that fails, and a written scope is what such a case turns on. That makes the paperwork worth insisting on at the outset.