Concrete Driveway Repairs WA 2026 - Get Free Quotes

Why Perth Driveways Fail Differently

Almost everything written about cracked concrete driveways assumes reactive clay. Clay swells when it takes up water and shrinks when it dries, and that seasonal movement lifts and drops whatever sits on it. It is the dominant story in Brisbane, Melbourne and much of Sydney, and across most of the Perth metropolitan area it is the wrong story entirely. Applying it here leads owners to the wrong diagnosis and the wrong repair.

The Swan Coastal Plain is sand. Sand is not reactive, so it does not swell and shrink with moisture, and a slab sitting on well compacted sand has a genuinely stable base. Under AS 2870, which covers residential slabs and footings, much of coastal Perth classifies at the stable end of the scale where large parts of the eastern states sit at the reactive end. Standards are published by Standards Australia. That difference is not a small technicality, since it changes what you should be looking for when a slab moves. Get it confirmed in writing before work starts.

What sand does instead is move when water moves it. Running water carries fine sand with it, and once water finds a path under a slab it takes the base away grain by grain and leaves a void. The concrete above spans that void until it cannot, then it cracks and drops. Owners describe it as the driveway sinking, which is exactly what has happened, and the cause is not the concrete. The slab did what any slab does when the ground under part of it disappears. Note the date so you can compare later.

That single mechanism explains most Perth driveway failures. It explains why the damage concentrates near downpipes, beside garden beds, along the edge that meets a lawn, and near the garage where stormwater collects. It explains why the crack pattern often runs at an angle rather than following joints. And it explains why replacing a slab without finding the water simply resets the clock. The new concrete will be sitting on the same sand with the same water moving through it. Request it as part of the quote.

The Perth Hills are the exception worth noting. Ground conditions in the hills include clay and laterite rather than coastal sand, so the reactive movement story does apply on many blocks east of the plain, and it applies alongside slope, drainage and retaining structures. A driveway in Kalamunda or Mundaring has a different diagnosis from one in Scarborough. Owners in the hills should read the reactive soil material with more attention than owners on the plain.

So the useful first question on any Perth driveway is where the water is going. Two sources account for the majority and both are covered next, and neither has anything to do with the concrete itself. Both are cheap to investigate and expensive to ignore.

Leaking Reticulation, the Hidden Cause

Reticulation is close to universal on Perth blocks and it runs exactly where it does the most damage. Lines pass beside driveways, under them to reach lawn on the other side, and around the perimeter of the house, and they sit in the same sand that supports the slab. Reticulation, or retic as it is universally called here, is the automatic garden watering system, and a leaking line is a small underground hose running for hours a week, and it excavates. Over a summer that adds up to a considerable volume passing through one spot.

What makes it insidious is that nothing appears on the surface. Water leaving a cracked poly line or a weeping solenoid soaks straight down through sand instead of pooling, so there is no boggy patch to notice. The lawn stays green because the system is still delivering water somewhere, the bill creeps up slowly, and the sand under the driveway leaves quietly over a season or two. By the time the slab drops, the leak has usually been running for a long while. Nothing about the process announces itself. Photograph it while you are there.

Solenoid valves are the usual source. A valve held partly open by grit under the diaphragm passes water continuously, and a valve box sitting near a driveway edge is a direct feed into the base. Cracked poly from ultraviolet exposure or a spade strike does the same, and lines running under the slab that were installed with the driveway are the hardest to detect. Those were often laid before the concrete went down and nobody has thought about them since.

Watch for the pattern rather than the puddle. A driveway that has dropped near a valve box, near a lawn edge with sprinklers on it, or along the line between two watered areas is investigated on the retic side before anything else. Checking the system through irrigation and garden watering systems costs a fraction of a slab repair. Check the zones nearest the driveway specifically.

Western Australia's sprinkler roster works in your favour here, because it gives you a controlled test. With scheme water users restricted to set watering days and a winter sprinkler ban applying through the cooler months, a driveway that continues to settle during the ban period is being fed by something other than retic. That is a genuinely useful piece of local diagnostic logic. Settlement that worsens through winter rain points at stormwater instead, and settlement through summer points back at the retic. Very few other states offer that kind of natural seasonal test.

Where a leak is suspected but cannot be located, acoustic and pressure testing under water leak detection will find it without excavating speculatively. Fixing the leak first and the driveway second is the order that matters. Doing it the other way round is how owners end up paying twice.

Soakwells, Stormwater and Where the Roof Water Goes

Perth handles stormwater differently from most Australian cities and the difference matters here. Instead of piping roof water to a street drain, the standard approach is a soakwell, meaning a perforated chamber buried in the sand that holds runoff and lets it soak away into the ground. On a sandy site it works well and it puts a large volume of water into the ground close to the house. On a sandy site that is exactly the right approach, which is why it became standard here.

That is fine while the soakwell functions. A soakwell that has silted up, collapsed, filled with roots or was undersized for the roof area it serves cannot take the flow, so water backs up and finds another path. On a heavy winter day that path frequently runs along the side of the house and under the driveway. Winter is when it happens, and winter is when Perth gets most of its rain.

Undersizing is more common than failure. Soakwell capacity should relate to the roof area draining into it, and additions, patios, carports and garage extensions all add catchment without anyone revisiting the drainage. A soakwell sized for the original house is then handling half again as much water every winter. Nobody notices until something moves.

Position matters as much as capacity. A soakwell installed close to a driveway edge discharges into the sand beside the slab by design, and over years that saturation and flow migration undermines the base. Moving or replacing one is straightforward while a driveway is being rebuilt and awkward afterwards. Raise it at the quoting stage if a replacement is on the table.

Watch what your soakwells do in a genuine downpour, since dry weather tells you nothing. Water surcharging from a soakwell lid, pooling around a downpipe or running across a driveway rather than disappearing tells you the system is at capacity. New capacity sits with soakwell installation, and connecting or reconfiguring roof drainage is work for stormwater drainage plumbing. Getting the capacity right for the current roof area is the part worth insisting on.

Where a soakwell has silted or roots have entered the line, clearing it is often enough. Blocked lines and chambers are addressed under blocked drains, and where a subsoil issue is keeping ground wet along one side, a French drain or subsoil drainage system intercepts it before it reaches the slab. On a block where water arrives from a neighbouring property, that interception is often the only durable answer.

Reading the Cracks Before You Spend Anything

Not every crack in a driveway is a problem and telling them apart saves money. Shrinkage cracking appears within the first weeks and months as concrete cures and loses moisture, it is usually fine and shallow, and it does not indicate any loss of support. Crazing, meaning a network of very fine surface cracks, is cosmetic. Neither of those justifies spending anything beyond sealing. They are normal behaviour in a concrete slab and they will not get worse.

Control joints exist to manage exactly that. The tooled or sawn lines across a driveway are deliberate weak points where shrinkage cracking is encouraged to occur, so a crack following a joint is the slab doing what it was designed to do. Joints spaced too far apart, or cut too shallow, produce random cracking between them instead. That is a workmanship issue from the original pour, not a ground problem. It is worth identifying, because it changes whether a repair will hold.

The cracks that matter behave differently. A crack that is wider at one end, that has a vertical step where one side sits lower than the other, that runs at an angle across the slab ignoring the joints, or that has opened progressively over months is telling you the support beneath has changed. Those are settlement cracks and filling them without addressing the base achieves nothing. The filler will simply crack again along the same line within a season or two. Establish the cause before spending anything on the crack itself.

Test for the void rather than guessing. Tapping across a suspect area with a hammer or a heavy bar produces a hollow, drummy sound where the slab has lost contact with the base, and a solid ring where it is still bearing. It is a crude test and it is genuinely informative, and any competent concreter will do it before quoting. If nobody taps the slab, ask why. It takes two minutes and it distinguishes a settlement problem from a surface one.

Photograph and date anything you are unsure about. Place a coin beside the crack for scale, take the same shot every couple of months, and you will know within half a year whether it is stable or progressing. That evidence is more useful than any opinion formed on a single visit, and it costs nothing but a reminder in your phone. Three photographs across six months will tell you whether you are dealing with something stable or something moving.

The Crossover, and Why It Is Not Entirely Yours

The section of driveway between your property boundary and the road is the crossover, and it sits withwithin the road reserve, not on your land. That single fact catches Western Australian homeowners constantly, because the crossover looks like part of the driveway and is subject to an entirely different set of rules. It is also the section most likely to be damaged, since it carries every vehicle entering the property and sits where the ground level changes.

Local governments set crossover specifications covering width, position, materials, gradient and construction detail, and approval is generally required before constructing, altering or replacing one. The requirements vary between councils, so what applies in Stirling may differ from Melville or Wanneroo, and the applicable specification is published by each local government. Check your own council and not general advice, since the differences are real.

Many Western Australian local governments contribute to the cost of a first crossover for a property, typically as a subsidy toward a standard specification and not the whole amount, and conditions apply including that the work meets the specification and is claimed within a set period. Owners frequently do not know the contribution exists. It justifies a phone call before committing to the work, because claiming afterwards is generally not possible.

Responsibility for maintaining the crossover generally sits with the property owner even though it is in the road reserve. So a cracked or sunken crossover is usually your repair, and it still needs to meet the council specification when it is done. Doing the crossover and the driveway as one job makes sense, and it means the approval has to be sorted before work starts. Retrofitting an approval onto completed work is considerably harder than obtaining one first.

Where the crossover meets the road, Main Roads Western Australia requirements may apply on certain roads, particularly where a property fronts a road under state rather than local control. Information about state road access is published by Main Roads Western Australia, and general state services information sits with the Western Australian Government. Most properties will only deal with their local government, and the state road question is worth checking on a main road frontage.

Put it to any contractor quoting a driveway whether the crossover is included and who is obtaining the approval. A quote that covers the driveway to the boundary and stops there is a legitimate quote and it is not the whole job, and discovering that after the pour is an awkward conversation. Get it stated explicitly in writing rather than assumed.

Slab Levelling by Polyurethane Injection

Where a driveway has dropped but the concrete itself is sound, lifting it back is frequently possible without replacing anything. Small holes are drilled through the slab, an expanding polyurethane resin is injected beneath it, and the resin fills the void and raises the slab in a controlled way while the contractor monitors the level. The lift is measured and a good operator will work in small increments.

It suits Perth conditions particularly well because the failure mode here is a void in sand rather than a heaving clay base. The technique addresses exactly that, filling the space and providing bearing, and the resin is not affected by water in the way a sand or cement based fill would be. On a site where water is still moving through the ground, that resistance matters.

The practical advantages are considerable. There is no excavation, no removal and disposal of old concrete, no colour or finish mismatch, and the resin cures within minutes so the driveway carries vehicles the same day. Against a replacement that puts a household on the verge for a fortnight, that weighs as much as the price difference. For a household with two cars and no verge parking, it can be the deciding factor.

It has genuine limits and a straight contractor will say so. A slab that is badly cracked into multiple pieces, that has lost structural integrity, or that is too thin to lift without breaking is not a candidate. Neither is a slab where the underlying water problem has not been fixed, since the void will simply form again beside the repair. Any contractor who offers to level a slab without asking where the water is going is skipping the important part.

Small holes remain visible afterwards, patched flush but discernible on close inspection, which is useful to know on a decorative finish. Request completed work on a similar surface before committing, particularly on exposed aggregate or a coloured slab where the patches show more. On plain grey concrete they are barely noticeable after a few months of weathering.

Repair Options, and What Each One Suits

Joint resealing is the cheapest intervention and the most under used. Control joints and the joint where the driveway meets the house or the garage slab are the main entry points for surface water, and sealing them with a suitable flexible sealant keeps that water out of the base. At $350 to $1,200 it is preventive work that costs less than any repair. Doing it every few years is the cheapest thing on this page.

Crack repair on a stable slab means routing the crack out to a consistent profile, cleaning it and filling with a flexible or rigid material depending on whether movement is expected. Done properly it is durable. Smeared over the top without routing, it fails within a season and looks worse than the crack did. Routing is the step that separates a lasting repair from a cosmetic one.

Section replacement suits localised damage where the rest of the driveway is sound. The affected panel is cut out at the joints, the base is corrected, and a new section is poured, which is why base correction should always be stated in the quote. Expect a visible difference in colour and texture, since new concrete never matches a slab that has weathered for fifteen years. That difference softens over a year or two and it never disappears entirely.

Resurfacing places a thin overlay across the whole driveway to give a uniform new surface, and it is the answer where the slab is structurally sound but looks tired, stained or patched. It requires a stable base, so it is not a way of hiding settlement, and any movement underneath will telegraph through the overlay within a year. Overlays are a finish solution and not a structural one.

Full replacement is the answer where the slab is broken up, where thickness or reinforcement was inadequate from the start, or where the levels need changing. It is also the moment to correct drainage, upgrade the base and deal with the crossover in one go. New work of this kind sits with concreting services, and comparative pricing under concrete driveway cost. Doing the drainage correction at the same time is the difference between a driveway that lasts and one that repeats the failure.

Liquid Limestone, Exposed Aggregate and Decorative Finishes

Liquid limestone is close to a Perth signature and it repairs differently from plain concrete. It is a poured limestone based product finished to a light coloured textured surface, it stays noticeably cooler underfoot than dark concrete, and it has become the default around pools and on driveways across the metropolitan area. Very few other states use it in the same volume, which is why generic advice rarely mentions it.

Its repair characteristics are the trade off. Colour matching a patch to weathered liquid limestone is difficult and often unsuccessful, since the original has faded and picked up its own character over years. Small repairs tend to remain visible, which pushes owners toward resurfacing a whole area instead of patching a section. Budget accordingly if you have liquid limestone and localised damage.

Sealing matters more on this finish than on plain concrete. An unsealed or long unsealed surface picks up oil, tyre marks and organic staining readily, and once those penetrate they are difficult to remove. Comparative pricing sits under liquid limestone cost, and periodic maintenance under driveway cleaning and sealing. Resealing every few years is far cheaper than dealing with penetrated staining later.

Exposed aggregate has the same patching problem for a different reason. The finish depends on the specific stone used and the depth of exposure achieved on the day, so a repair placed years later will differ in stone colour, size and texture even with the same specification. Owners with exposed aggregate should expect section replacement to be visible. Request a comparable repair the contractor has completed before agreeing to one.

That reality shapes the repair decision on decorative driveways. Where a plain concrete driveway might reasonably be patched, a decorative one often justifies either injection levelling, which leaves the surface intact, or resurfacing the whole area for consistency. Comparative pricing on the finish itself sits under exposed aggregate concrete cost. Knowing the replacement cost helps you judge whether a visible patch is worth accepting.

Tree Roots and What Grows Beside a Driveway

Roots lift driveways and they do it slowly enough that owners rarely connect the two. A root growing beneath a slab thickens over years and applies enormous upward force, and the result is a raised section, a cracked panel or a trip hazard along one edge. Verge trees are frequently the source. The tree is often a long way from the damage, since roots travel much further than owners expect.

Perth's street tree stock includes species with substantial root systems, and Tuart, various eucalypts, figs and jacarandas all have form for lifting hard surfaces. Roots also seek moisture, so a leaking retic line or a soakwell beside a driveway actively draws roots toward exactly the place they cause the most damage. Fixing the leak therefore does two jobs at once.

The complication is that verge trees usually belong to the local government rather than to you. Removing, pruning or cutting roots on a council street tree generally requires approval, and doing it without permission can attract a penalty. That should be confirmed before any contractor puts a saw through a root under your driveway. Councils will usually inspect and advise, and some will carry out the root work themselves.

Root barriers installed during a rebuild protect a new slab where a tree is staying, provided they are deep enough and positioned to divert rather than merely obstruct. Where a tree on your own land is the source, an assessment through tree lopping and arborist services gives you the options, and old stumps left near a driveway continue to decay and settle until dealt with under stump grinding and tree root removal. A decaying stump under or beside a slab creates a void of its own as it breaks down.

Coastal Exposure, Salt and Reinforcement

Driveways within a few kilometres of the coast face conditions that inland suburbs do not, and the Perth metropolitan area puts a great many properties in that band. Salt carried inland on the sea breeze settles on hard surfaces, penetrates concrete over time and reaches the reinforcement inside. The process is slow and it is relentless, and it accelerates closer to the water.

Once chloride reaches the steel it destroys the protection that concrete alkalinity normally provides, and the bar corrodes. Rust occupies several times the volume of the steel it came from, so it cracks the concrete along the line of the bar and eventually pushes it off, which is spalling. On a driveway it shows as flaking, crumbling edges and rust staining bleeding to the surface. Edges and corners go first because they have the least cover on two sides.

Adequate cover over the reinforcement is what resists it, meaning the depth of concrete between the steel and the surface, and AS 3600 sets requirements that increase with exposure severity. A driveway poured with reinforcement too close to the surface will spall on a coastal site decades before the same slab would inland. That is a construction decision made once and paid for later.

Sealing helps and it is not a cure. A quality sealer reduces chloride ingress and slows the process, and it needs reapplying periodically rather than once. Where spalling has already started, patching over corroded steel without treating it produces a repair that fails at the boundary, and remedial work of that kind sits with concrete repair and crack repair. The steel has to be cleaned and treated before anything is patched over it.

Salt water from a pool is the other source and it acts faster than sea air. A salt chlorinated pool with splash out onto an adjoining driveway or surround concentrates chloride at exactly that edge, and pool surrounds show the damage before the rest of the slab does. Related work sits under concrete pool surrounds. Rinsing salt splash off the surrounding concrete occasionally slows it and almost nobody does it.

Builder Registration, Contracts and Home Indemnity Insurance in WA

Western Australia regulates residential building work differently from the eastern states and the thresholds are worth knowing before signing anything. Building work is overseen by Building and Energy within the Department of Energy, Mines, Industry Regulation and Safety, which registers building contractors and handles complaints about building work. That is a different regulator and a different framework from the eastern states, so advice written for Queensland or New South Wales does not transfer.

The threshold that matters most is twenty thousand dollars. Residential building work valued above that generally must be carried out by a registered building contractor, and home indemnity insurance is required for that work. A driveway replacement can sit either side of the line depending on size and finish, so it is a question to ask before assuming. Settle it before the contract is signed.

Home indemnity insurance protects the owner where the builder dies, disappears or becomes insolvent and the work is left incomplete or defective. It is the builder's responsibility to arrange and evidence it before work starts, and a contractor who is vague about it on a job above the threshold is a contractor to be careful with. It is a straightforward question with a straightforward answer.

Contract requirements apply as well. The Home Building Contracts Act 1991 governs residential building contracts within defined value ranges and sets out requirements including written contracts and limits on deposits, which for many jobs restricts the deposit to a modest percentage of the contract price. Legislation is published by the Western Australian Legislation site. Reading the deposit provisions before paying anything is worthwhile.

Consumer protection sits alongside that. Australian Consumer Law applies to the services regardless of value, requiring work to be carried out with due care and skill and to be fit for purpose, and guidance is published by the Australian Competition and Consumer Commission. Where a dispute involves an insurer, external resolution is available through the Australian Financial Complaints Authority. Those avenues exist alongside each other rather than replacing one another.

The work itself carries obligations beyond the contract. Concrete cutting produces respirable crystalline silica dust, which requires water suppression or on tool extraction and appropriate respiratory protection rather than dry cutting in the open, and requirements are published by WorkSafe WA. A crew dry cutting a driveway in a cloud of dust is telling you how the rest of the job will be run. Cutting concrete dry throws silica dust and the controls for it are mandatory.

Base Preparation, Thickness and What Should Be Under a Driveway

A concrete driveway is only as good as what supports it, and on a sand site the base preparation is the whole game. Compaction is what turns loose sand into a bearing surface, and a base that was placed without proper compaction settles under vehicle loading regardless of how good the concrete above it is. Compaction is invisible in the finished job, which is exactly why it gets skimped.

Thickness matters and it gets trimmed. A residential driveway carrying cars needs adequate depth and a driveway that will see a caravan, a boat trailer, a delivery truck or a heavy four wheel drive needs more again. A slab poured thinner than specified saves the contractor money on the day and cracks under the first heavy load. Find out what thickness is being quoted and have it written into the scope.

Reinforcement is the other item that disappears from a quote quietly. Reinforcing mesh, meaning the steel grid cast inside the concrete, placed correctly within the slab controls crack width and holds a cracked slab together, and mesh laid on the ground and poured over does nothing at all because it ends up at the bottom where it cannot work. Establish how the mesh will be supported. Bar chairs are inexpensive and their absence is one of the more common defects in residential concreting.

Jointing is planning. Control joints need to be cut early enough and deep enough to work, and spaced appropriately for the slab thickness, and isolation joints are needed where the driveway abuts the garage slab, a wall or a footing so the two can move independently. Without them, a driveway drags on the garage slab and cracks at the junction.

Falls and drainage should be designed. A driveway needs to shed water away from the house and to somewhere that can accept it, and a driveway that drains toward the garage or ponds against a wall creates the exact water problem this page is about. Where levels need changing, excavation and earthmoving is involved, and removal of old concrete falls under concrete demolition and site preparation. Disposal costs are a real line item on a full replacement and they should appear in the quote.

Driveways on Sloping Blocks and Beside Retaining Walls

Sloping blocks add loads that a flat suburban driveway never sees, and the interaction between a driveway and a retaining wall is where problems concentrate. A driveway sitting above a wall applies a surcharge, meaning additional load on the retained soil, and walls not designed for vehicle loading move under it. A wall built to hold a garden bed is a different structure from one holding a driveway.

That is a genuine Perth Hills issue and it appears on stepped coastal blocks too. Signs include a wall leaning or bulging below a driveway, cracking along the driveway edge nearest the wall, and the driveway edge dropping over time. Any of those means the wall needs assessing before the driveway is patched. Repairing the slab above a moving wall is money spent on the symptom.

Limestone walls are the distinctly Western Australian version of this. Natural and reconstituted limestone block walls are everywhere across Perth, they behave differently from concrete sleeper or besser walls, and they have their own repair and restoration approach covered under limestone retaining wall repairs and restoration. Limestone is porous and it weathers in ways that concrete does not, so the assessment differs.

Drainage behind any wall supporting a driveway is what keeps it standing. Water building up behind a wall adds hydrostatic pressure to the soil load, and on a sand site it also washes fines through the wall and out, which undermines the driveway above from below. That detail sits with retaining wall drainage, ag pipe and waterproofing. On a sand site the fines washing through a wall are the same fines that were supporting your driveway.

Where a wall genuinely needs work, approvals and engineering may apply depending on height and surcharge, and that is covered under retaining wall council approval and engineering certification. Doing the wall before the driveway is the correct order, since rebuilding a wall under a new driveway means breaking the driveway. Sequence the work before committing to either part of it.

What to Look Out For

The clearest warning sign is a quote to repair a sunken driveway with no discussion of why it sank. On a Perth sand site something moved the base, and filling a crack or replacing a panel without finding the water means paying again within a few seasons. Find out what the contractor believes caused it and what evidence supports that. If nobody will name a cause, keep looking.

Watch for base preparation missing from the scope. A section replacement quote that covers cutting out and pouring, and says nothing about compacting or correcting the base beneath, is quoting the visible half of the job. The base is where the failure was and it should be a stated line item. Get it in writing, not agreed on site.

Be cautious about resurfacing offered as a fix for settlement. An overlay gives a uniform new surface on a sound slab and it does nothing structural, so any movement underneath will show through it within a year. If the driveway has dropped, resurfacing is treating the appearance. Level it or replace it first, then consider the finish.

Check the crossover is addressed. A quote that stops at the property boundary is legitimate and it may leave you with a mismatched, unapproved or still cracked section at the front. Confirm whether it is included, who obtains the local government approval and whether a contribution may be available. Those three questions take one phone call and can save a four figure sum.

Finally, confirm registration and insurance where the value warrants it. Above twenty thousand dollars you need a registered building contractor and home indemnity insurance, deposits are limited by law, and a contractor pushing for a large upfront payment is a contractor to walk away from. Deposit limits exist precisely because that pattern is a known problem.

How to Get Useful Quotes

Give the dimensions and the finish. Approximate length and width in metres, whether it is plain concrete, exposed aggregate, liquid limestone, stamped or coloured, and roughly how old it is. Those facts determine both the repair options and whether a patch will ever match. Photograph the surface close up if you are unsure what the finish is.

Describe what has actually happened and where. Cracking and where it runs relative to the joints, a section that has dropped and by how much, edges crumbling, a step at a crack, ponding after rain, or damage concentrated near the garage, the verge or a garden bed. Say when you first noticed it. Whether it has worsened since is more useful than the current condition.

Include the water history, because on a Perth block it is the diagnostic that matters. Where the soakwells are and whether they surcharge in winter, whether retic runs near or under the driveway, whether there is a valve box nearby, whether the lawn beside it is watered, and whether anything has been dug up recently. Work done near a driveway in the year before a failure is frequently the explanation.

Photographs help more than descriptions here. Take a wide shot of the whole driveway, close ups of each crack with a coin for scale, a shot along the surface at a low angle where any drop or unevenness shows clearly, and one of the crossover at the front. If it ponds after rain, photograph it holding water. A short video during heavy rain showing where the water runs is worth more than any still image.

Ask each quote to state what caused the failure and how that was established, whether injection levelling was considered against replacement, what base preparation is included, whether the crossover is in scope and who obtains approval, what the finish will look like where new meets old, and what registration and insurance applies. Two quotes answering all six can be compared honestly. One that answers none cannot. A square metre rate on its own tells you nothing about what is being repaired.

Strata Properties, Rentals and Selling

In a strata scheme the driveway is frequently common property, particularly on survey strata and built strata developments with a shared accessway, which makes repairs a strata company responsibility rather than an individual owner's. An owner arranging their own contractor on common property may not recover the cost. Check the strata plan before organising anything.

Where a shared accessway serves several lots, the failure usually affects everyone and the cost is shared according to the scheme. Getting a proper diagnosis before going to tender matters more on a shared driveway than a private one, since the sums are larger and the quotes will otherwise describe different jobs. Plumbing on shared infrastructure sits under strata and body corporate plumbing. A shared soakwell serving several lots is a common source of shared driveway problems.

For rental properties the lessor is responsible for maintaining the premises, and a driveway with a significant step, a hole or crumbling edges is a trip hazard, not a cosmetic issue. Tenants should report it in writing with photographs and note whether it has worsened. A trip hazard on a rental property should be raised promptly and not at the next inspection.

Selling brings driveways forward quickly because they are the first thing a buyer sees. A cracked or visibly sunken driveway reads as deferred maintenance across the whole property, and a building inspector will note it along with any drainage issues feeding it. A building inspection commissioned before listing lets a seller find and price it on their own timetable. That is a considerably better position than negotiating under a contract.

Where the repair has been done properly, keep the paperwork. The contractor's invoice, any crossover approval, evidence of the drainage correction and the registration details all support the work at resale, and a documented repair with the cause addressed is worth considerably more to a buyer than a fresh looking patch with no explanation behind it. Keep it all in one file so it can be handed over at settlement.