Garage Door Installation Costs NSW 2026 - Get Free Quotes

Garage Door Installation Costs in NSW

A single roller door supplied and installed runs $900 to $1,800 across New South Wales, a single sectional $1,300 to $2,500, a double sectional $2,000 to $4,000 and an insulated double $3,000 to $6,000, with custom clad doors reaching $5,000 to $15,000. Removing and disposing of the old door adds $150 to $400. Those bands cover most domestic replacements, and the position within them depends on the opening size, whether that size is standard, the material and how straightforward the existing opening is to work with. Ask each supplier to separate the door, the installation and the removal so you can see where a difference sits. Quotes that arrive as one number are difficult to compare and easy to misread as better value than they are.

Before you compare a single quote, spend five minutes inside the garage with a tape measure. The three dimensions that decide your options are the space above the opening to the ceiling or the nearest obstruction, the space to each side between the opening and the wall, and the depth back into the garage. Those numbers determine which door types can physically be installed, and they are the reason two households with identical openings end up with different doors. Measuring them first converts a shopping exercise into a shortlist. Write them on your phone rather than trusting memory, since suppliers will ask for all three and vague answers produce vague prices.

The other thing worth knowing before anyone attends is that a garage door is the heaviest moving object on a residential property and the springs counterbalancing it store an enormous amount of energy. Removing an old door is not a weekend project, and neither is adjusting anything on the existing one. That work belongs to a garage door technician with the right equipment, and repairs to an existing door are covered under garage door installation and repairs rather than here. Do not attempt to take the old door down yourself in the hope of saving a removal fee, since that is precisely the situation in which people are injured.

Door Types and How Each One Works

Sectional doors are the standard on new construction and the most common upgrade, and they work by folding into horizontal panels that run up the opening and back along tracks under the ceiling. That arrangement gives them the best weather seal of any type, because each panel meets the next with a seal and the whole door sits flush in the opening when closed. They insulate better, they allow the driveway to be used right up to the door since nothing swings outward, and they suit automation naturally. The trade off is that they need the most space above and behind the opening. They are also the type most owners upgrade to when replacing an aged roller or tilt door, because the improvement in sealing and appearance is immediately obvious. Panel profiles and colours give them the widest range of finishes as well, and broader door work across the house sits under door services.

Roller doors coil into a drum above the opening and are the most space efficient option available. Because the curtain rolls rather than travelling back along the ceiling, they need almost no depth into the garage, which makes them the answer in short garages, carport conversions and anywhere ceiling space is occupied by storage or a mezzanine. They are also the cheapest to buy and install. Against that, a single skin curtain seals less well around the edges, insulates poorly, and dents more readily than a sectional panel does. They are also simple to operate manually, which matters during a power failure, and their curtain is easy to replace as a unit if damaged.

Tilt doors are a single rigid panel that pivots outward and upward on a counterbalance, and they were common on housing built through the middle of last century. They are simple, cheap to repair and easy to clad in timber or other materials for appearance, which is why they still appear on period homes. The significant drawback is that the door swings out as it opens, so a vehicle parked close to it has to move first, and that arc is a genuine constraint on a short driveway. They are rarely specified on new work. Replacement parts remain available and a tilt door in good condition is worth keeping rather than replacing purely for fashion. Where one is being replaced, the opening frequently suits a sectional door well because tilt doors were fitted to garages with generous headroom.

Choosing between them comes down to space first and preference second, which is the reverse of how most people approach it. Where headroom and backroom are generous, a sectional door is the better long term choice for sealing, insulation and appearance. Where either is tight, a roller door solves the problem at lower cost. Where a period home needs a particular look and the driveway is long enough, a clad tilt door remains a legitimate option.

Headroom, Side Room and Backroom

Headroom is the space between the top of the opening and the ceiling or the nearest obstruction above it, and it is the measurement that most often forces a change of plan. A standard lift sectional door needs somewhere in the region of three hundred to four hundred millimetres to accommodate the curved track and the spring assembly, and an automated door needs a little more again for the opener. Where you have less than that, the options are a low headroom track configuration, which adds cost, or a roller door, which needs far less. Measure to the lowest obstruction rather than to the ceiling itself, since a light fitting, a beam or storage shelving sets the real limit. Take the measurement at both ends of the opening because ceilings are not always level.

Side room is the space between the edge of the opening and the wall or any obstruction on each side, and it carries the vertical track that guides the door. Around ninety to one hundred and twenty millimetres each side is the usual requirement for a sectional door, which sounds modest until you find a light switch, a downpipe, a meter box or a structural post exactly where the track needs to go. Roller doors need side room too for their guides. Check both sides rather than assuming they match. Where an obstruction sits in the way, relocating it is often straightforward and worth pricing, since a downpipe or a light switch moved for a couple of hundred dollars may open up a better door option.

Backroom is the depth from the opening into the garage and it matters for sectional doors specifically. When open, the panels sit horizontally under the ceiling, so the door needs roughly its own height plus a further six hundred millimetres or so of clear depth, and an automated door needs the opener rail beyond that. In a short garage this is the constraint that rules a sectional out. Roller doors are almost indifferent to backroom, which is one of their main practical advantages. Storage racks fixed to the ceiling are the most common obstruction here and they usually predate any thought of a new door. Deciding between overhead storage and a sectional door is a genuine trade off in a short garage, which is worth planning alongside garage storage and racking.

Measure the opening itself carefully as well, since it is not always the neat rectangle it appears. Take the width at the top, middle and bottom and the height at both sides and the centre, because older openings are frequently out of square by enough to matter. Note whether the reveals are timber or masonry, whether the floor is level across the opening, and whether the lintel above is straight. An installer will check all of this, and knowing it beforehand means the quote you receive is closer to the final figure. Where the opening is significantly out of square, packing and adjustment during installation resolves most of it, though a large discrepancy may need the reveals made good first. Flag anything you notice rather than leaving it to be discovered.

Obstructions are the last item on the list and they are easy to overlook because they have been there for years. Water pipes, electrical conduit, light fittings, storage shelving, a hot water unit, roof trusses at an awkward height and ducting all sit in the space a door needs to occupy. Some can be relocated inexpensively and some cannot. Photograph the ceiling and both side walls when you enquire, since installers read those images quickly and it prevents an unpleasant discovery on the day.

Materials, Colours and Finishes

Steel is the dominant material for domestic garage doors in Australia and prefinished coated steel accounts for the large majority of what gets installed. It is durable, holds its colour for years, needs no painting and comes in a palette that matches the roofing and guttering colours used on most Australian houses. Colour matching to the roof, the fascia or the window frames is the usual approach and it makes a considerable difference to how a street facing garage reads. Steel dents, which is its main practical weakness on a door used daily. Warranties on the coating are common and worth reading, since exclusions frequently apply within a defined distance of the coast.

Aluminium appears mostly in higher specification and coastal applications and costs more than steel. It does not rust, which is the argument for it within a few kilometres of the ocean, and it is lighter, which reduces the load on the opener and the counterbalance. Full height glazed aluminium doors are a contemporary look used on architectural homes and they sit at the top of the price range. For most households the question is simply whether coastal exposure justifies the premium. It is worth pricing against a steel door with upgraded coastal hardware, since that combination sometimes achieves a similar result for less. A supplier who works the coastal suburbs will have a view on which lasts better in your position.

Timber and timber look doors are the appearance choice and they carry both the highest cost and the highest maintenance. Real timber cladding on a sectional or tilt door suits period homes and contemporary architecture alike, and it needs recoating on a cycle in the same way any external timber does. Timber look finishes printed or wrapped onto steel deliver much of the appearance without the maintenance, at a cost between plain steel and real timber. Painting and refinishing an existing door sits under garage door painting. Real timber doors are heavier than steel, which affects the counterbalance and the opener, and that weight should be part of the specification conversation rather than an afterthought.

Panel profile is the detail that changes the look most and costs least to get right. Manufacturers offer ribbed, panelled, flat and various contemporary profiles, and the same door in a different profile can suit a house far better for no extra money. Windows in the top section bring daylight into a garage and are worth considering where the space is used for anything beyond parking. Look at examples in the street rather than only in a brochure, since profile and colour read differently at scale.

Corrosion is the material consideration that matters most in coastal New South Wales and it deserves specification rather than assumption. Salt attacks fixings, tracks, springs and cut edges long before it marks the panel face, so properties anywhere near open water should be asking about coastal grade hardware rather than accepting the standard package. Washing the door and its hardware down with fresh water each season adds years to it for nothing. Stainless fixings and upgraded track hardware add a modest amount at installation and remove the most common failure point in those positions entirely.

Size, Height and Fitting Your Vehicle

Standard residential openings in Australia cluster around a small number of sizes, with a single garage typically around two point four metres wide and a double around four point eight, both commonly two point one metres high. Doors are manufactured to suit those dimensions, which is why a standard replacement is quick and inexpensive. An opening outside those sizes means a custom door with a premium of ten to thirty per cent and a longer lead time, which is worth knowing before you set a budget. Measure rather than assuming yours is standard, since older garages and owner built structures frequently differ by enough to trigger a custom charge. A hundred millimetres either way changes which category you are in.

Height is the dimension households most often regret and it has changed with what people drive. A two point one metre opening was generous when cars were lower, and it is marginal for a four wheel drive with roof racks, a van, a caravan or a vehicle carrying a rooftop tent or bikes. Where the structure allows, specifying a two point four metre door at replacement time costs ten to twenty per cent more and solves a problem permanently. Measure your tallest vehicle including anything on the roof before deciding. Check the internal ceiling height as well, because a taller door needs the headroom above it and there is no point specifying one the garage cannot accommodate.

Raising an opening is possible and is a building job rather than a door job. It means altering the lintel above the opening, which is structural work needing engineering and usually approval, and the cost sits well beyond the door itself. Where a household genuinely needs the height, it is worth pricing properly rather than dismissing, particularly during other renovation work. Structural work of that kind sits under shed and garage construction. Where the garage is part of the house rather than a freestanding structure, the structural implications are greater and an engineer's involvement is certain.

Two singles or one double is a choice that arises on wider openings and each has merits. Two single doors give redundancy, since one failing still leaves the other usable, and they suit a central pier between bays. A single double door gives an uninterrupted opening that is far easier to manoeuvre a large vehicle through and looks cleaner from the street. Where a pier already exists, removing it is structural work, which usually settles the question on its own.

Think about how the garage is actually used rather than only about the car. Households storing a trailer, a boat, a caravan or a workshop bench need to consider both the opening height and what the open door occupies inside the space, since a sectional door running back along the ceiling takes the depth that overhead storage would otherwise use. Storage solutions that work around the door track sit under garage storage shelving and overhead rack installation. Workbenches and shelving along the side walls can also conflict with the vertical tracks, so plan the layout and the door together rather than sequentially.

Insulation and Garages That Have Become Rooms

An uninsulated garage door is a large sheet of steel facing the weather and it makes the space behind it uncomfortable. That did not matter much when garages held cars and tools, and it matters a great deal now that so many are used as home gyms, workshops, offices and rumpus rooms. An insulated sectional door adds $800 to $2,000 over a plain one, and on a west facing garage in a Sydney summer the difference in the space is immediate and obvious. North and west facing garages see the greatest benefit in NSW conditions, since those are the elevations taking afternoon sun through summer.

Insulation works by adding a foam core or a backing layer to the panel, and manufacturers publish a thermal rating so products can be compared. The benefit extends beyond temperature, since an insulated panel is stiffer, dents less readily and runs noticeably quieter than a single skin door, which matters where a bedroom sits above or beside the garage. Households doing the sums often find the acoustic improvement is what they notice first. Compare the published rating rather than the marketing description, since insulated is used loosely and the actual performance varies considerably between products.

Seals matter as much as the panel itself and cost far less. A bottom seal that meets the floor along its whole length, side and top seals, and a floor that is reasonably level together determine whether wind, rain, dust and leaves get in. On a coastal or exposed site the difference between a good seal and a poor one is a garage that stays clean and one that does not. Where the floor is uneven, a threshold strip fitted to the slab is a cheap and effective remedy.

Where a garage is genuinely being converted to habitable use, the door is one element of a larger project rather than the answer on its own. Insulating the walls and ceiling, dealing with the floor, ventilation and any approval requirements all matter more than the door specification, and a converted garage that keeps its door needs that door to seal and insulate properly. Flooring options for these spaces sit under epoxy garage floor coatings and garage flooring. Converting a garage to habitable space frequently requires approval in its own right, and removing the parking space entirely can have planning implications worth checking first.

Weight is the practical consequence of insulation and it needs accounting for at specification. An insulated door is heavier than a plain one, which means the counterbalance must be set for that weight and an existing opener may be at or beyond its capacity. Where you are keeping an existing opener with a new heavier door, raise it at quoting stage rather than discovering it afterwards, and opener capacity is covered under garage door opener and automation installation. Springs are also matched to door weight, so a heavier door on an existing counterbalance is not simply a matter of preference but a safety consideration.

What Installation Day Involves

A straightforward replacement takes half a day and follows a predictable sequence. The installer releases the tension in the existing counterbalance, removes the old door, tracks and hardware, and takes them away. The opening is then checked for square, level and plumb, and the new tracks are fixed to the reveals and the ceiling. Panels or the curtain go in next, the counterbalance is set for the specific weight of the door, and the whole assembly is balanced, adjusted and tested. Clear the area in front of and behind the opening beforehand, since the installer needs room to work and time spent moving your belongings is time you are paying for.

Balance is the step that distinguishes a good installation from a poor one and it is worth understanding. A correctly balanced door will stay put when lifted halfway by hand rather than dropping or springing upward, which means the counterbalance is carrying the weight properly. A door left out of balance works today and destroys the opener over the following years, because the motor is doing work the springs should be doing. Ask the installer to demonstrate the balance test with the opener disconnected before they leave. Ask them to show you how to disconnect the opener and operate the door manually while they are there, since that is the procedure you will need in a blackout.

Older openings frequently need attention before a new door will fit properly and this is where extra cost appears. Timber reveals that have rotted at the base, masonry that has moved, lintels that are not straight and floors that fall away at one side all require packing, repair or adjustment. A competent installer identifies this at the quoting stage rather than on the day, which is the reason a site visit produces a more reliable figure than a phone estimate. Rotted timber reveals are the most common finding on older suburban garages and repairing them properly is worth doing while the opening is exposed.

Where an opener is being fitted at the same time, the electrical supply becomes part of the conversation. Most openers plug into a standard outlet, so no electrical work is needed where one exists in the right position, while installing a new outlet is licensed work for an electrician. Confirm what the quote includes, since some installers arrange the electrician and others expect you to. Related supply work sits under power point installation. Position the outlet with the opener type in mind, since a ceiling mounted unit and a side mounted one need power in different places.

Handover should include more than the remote controls. Ask the installer to show you the manual release and have you operate it, since that is what you will need during a power failure and it is the thing people cannot find when it matters. Have them demonstrate the safety reversal, explain the maintenance the door needs, and hand over the warranty documentation, the model details and any remote programming instructions. Photograph the completed installation and keep the paperwork together. Ask how many remotes are included and what a spare costs, since they are considerably cheaper ordered at the time than sourced later.

Approvals, Strata and Bushfire Areas

Replacing a garage door with a new one in the same opening is maintenance rather than building work and does not require approval in ordinary circumstances. What does require approval is changing the opening itself, since widening or heightening it means altering a lintel and that is structural. Heritage listed properties and homes in heritage conservation areas may also have controls on street facing elements including garage doors, which affects large parts of inner Sydney, the Blue Mountains, Newcastle and many regional towns. Consent requirements for a property can be looked up through Service NSW. Where a property is being sold, a tidy compliant door is a visible improvement and a failed or damaged one is a negotiating point for a buyer.

Strata and community title properties add a layer that catches townhouse and villa owners out. The garage door on a strata property is frequently common property rather than part of the lot, which means replacement, colour changes and even some repairs are the owners corporation's decision rather than an individual one. Schemes usually maintain a specification so the complex stays consistent, and going ahead independently can mean being required to redo the work. Ask the strata manager before ordering anything.

Bushfire prone land affects garage doors across a large part of New South Wales, including much of the Blue Mountains, the Southern Highlands, the south coast, the Hunter and Sydney's fringes. The concern is ember entry rather than direct flame, since gaps around a garage door let embers into a space that frequently contains fuel, vehicles and stored materials. Doors on rated properties need appropriate sealing and materials, and general home fire safety guidance is published by Fire and Rescue NSW. Keeping the garage clear of stored fuel and flammable materials matters at least as much as the door itself in those areas.

Wind loading is a design consideration that owners rarely think about and manufacturers take seriously. A double garage door is a large flat surface and the load on it in strong wind is substantial, which is why doors carry wind ratings and why exposed sites need a door specified accordingly. Coastal and elevated properties are the obvious cases. The relevant Australian Standards covering wind actions and domestic garage doors are published by Standards Australia, and a supplier should be able to state the rating of what they are quoting. Elevated ridge sites and open coastal frontages are where this becomes a real specification issue rather than a formality.

Licensing and consumer protection apply to this work as to any other trade. Residential building work above the prescribed value must be carried out by an appropriately licensed contractor under a written contract in New South Wales, and licence status can be checked with NSW Fair Trading. Your right to services supplied with due care and skill, and to goods that are of acceptable quality, is a consumer guarantee enforced by the ACCC. Keep the invoice and warranty documents together, since a claim years later will require both, along with any paperwork from garage door repairs carried out since.

What Drives the Price

Opening size drives the figure more than anything else and the single to double step is disproportionate. A wider door needs heavier gauge sections, a stronger counterbalance, longer tracks and frequently a reinforcing strut, so a double costs well over twice a single rather than exactly twice. Height adds in the same way. Where the opening falls outside the standard manufactured sizes, the custom premium of ten to thirty per cent applies on top of everything else. Very wide openings on shed and workshop bays move into a heavier product range again, which is a different price bracket from domestic work.

Door type and construction set the next tier. A single skin roller curtain is the least expensive product available, a sectional door with multiple panels and more hardware costs more, an insulated sectional adds a foam core and greater weight, and a custom clad door is effectively made to order. The gap between the cheapest and dearest option for the same opening can be a factor of ten, which is why comparing quotes requires comparing the actual product rather than the total. Comparing the actual model and specification between quotes is the only reliable way to know whether one is genuinely cheaper.

The condition of the opening decides how much work happens before the door goes in. A square, plumb opening with sound reveals and a level floor takes the least time. Rotted timber reveals, masonry that has moved, an out of square opening or a floor that falls away all need remediation, packing or adjustment, and a quote given without a site visit has assumed none of it. This is the most common source of a variation on the day. This is also why a supplier who insists on measuring in person is generally quoting more accurately than one who does not.

Finishes and extras accumulate quickly and each is optional. Windows in the top panel, a non standard colour, a timber look wrap, upgraded seals, a pedestrian access door within the main door and coastal grade hardware all add. None is unreasonable and all should appear as separate line items so you can decide on each. Ask for the base door price and the extras itemised rather than a single number. A pedestrian access door within the main door is worth considering where the garage is entered on foot regularly, though it adds cost and complexity.

Removal, disposal and combining work affect the total at the margins. Taking away the old door adds $150 to $400 depending on what it is, with an old timber tilt door taking longer than a modern roller. Where several items of work are being done at the property, having them attended together spreads the mobilisation. Where a garage is being renovated more broadly, coordinating the door with flooring, storage and any building work saves multiple visits, and general scope sits under garage services. Where the driveway or floor is also being done, sequencing those before the door avoids damaging new work.

Garage Door Costs Across Sydney

Suppliers and installers are numerous across the metropolitan area, most of the major manufacturers have a distribution presence, and competition on standard sizes is genuinely strong. What differs across the city is the housing stock rather than pricing by postcode, since what differs is how many openings are standard, how many garages are strata titled and how many are in heritage areas with something to satisfy beyond the owner's preference. Lead times lengthen after storms, when a number of doors are damaged across the city at once. Obtaining three quotes is worthwhile here because the spread on an identical opening is wider than most people expect. Where a supplier is markedly cheaper, the difference is usually the product specification rather than a keener rate.

Older inner Sydney housing produces the most awkward installations in the state. Garages added to terraces and semis, converted rear sheds and lane access structures frequently have openings that predate any standard, low ceilings that rule out a sectional door, and reveals in masonry that has moved over a century. Heritage conservation controls in the same suburbs can restrict what a street facing door may look like. Expect a site visit, a custom size and a longer lead time in that housing, and the same access constraints affect garage builders working in those streets.

Newer estates through the north west, south west and outer south present the opposite and price accordingly. Openings are standard, ceilings are high enough for a sectional door without difficulty, reveals are square and access is straightforward, which makes these the quickest and cheapest installations available. Many of these homes are also strata or community title in townhouse developments, where the scheme's specification governs the colour and style regardless of preference. Builders in these areas frequently fitted the most basic door available, which is why upgrading to an insulated or better profiled door is a common early improvement.

Garage Door Costs in Regional NSW

Established garage door businesses operate throughout Newcastle, the Hunter, the Central Coast and the Illawarra, and prices land close to metropolitan levels. Further out the door itself is freighted from a manufacturer or distributor, which adds cost and lead time, and installers often cover a wide territory on scheduled runs. Booking ahead matters more, and combining the door with other work at the property is the standard way to absorb the travel component. Ask whether the quoted price includes freight, since that line is sometimes added separately for regional deliveries.

Rural and semi rural properties bring wider openings than suburban work and that changes the specification. Machinery sheds, oversized garages and workshop bays commonly need doors well beyond standard domestic widths, which means heavier construction, stronger counterbalances and sometimes an industrial rather than a residential product. Wind exposure on open country is also greater than in a suburb, making the wind rating a real consideration rather than a formality. Shed construction generally sits under shed and garage builders. Machinery access heights also need thinking through, since a tractor or truck needs considerably more clearance than a car.

Climate varies enough across the state to affect what suits. Coastal properties along the north and south coast face salt that attacks hardware years before it marks the panel, favouring aluminium or coastal grade fittings. Inland areas with wide temperature swings are hard on seals and on the plastic components in openers. The tablelands and Snowy region see genuine cold, which makes an insulated door more useful than it is in a mild coastal suburb. Dust is the inland equivalent of salt, working into tracks and rollers and shortening the life of moving parts.

Lead time is the practical difference regional households notice most. A standard door held by a metropolitan distributor can often be installed within a week or two, while a custom size freighted to a regional centre may take considerably longer. Where a door has failed and the garage cannot be secured, ask about temporary options rather than waiting, and repairs to keep an existing door serviceable in the interim sit under garage door installation and repairs. Ordering early during a renovation, rather than at the end, avoids the door becoming the item that holds everything up.

What to Look Out For

Take the three measurements before you shop rather than after. Headroom, side room and backroom determine which door types can be installed, and a household that has chosen a sectional door before discovering they have two hundred millimetres of headroom faces either a low headroom conversion at additional cost or starting the selection again. Five minutes with a tape prevents that entirely, and the numbers make every quote conversation faster. Suppliers will still measure themselves before ordering, and your figures simply make the early conversations useful.

Insist on a site visit for anything beyond a standard replacement. Openings that are out of square, rotted timber reveals, uneven floors and obstructions in the track path are all invisible in a phone conversation and all change the job. A supplier quoting a firm price from a width and a colour has assumed a perfect opening. The site visit is where a reliable figure comes from, and reputable installers offer it as a matter of course. A supplier unwilling to attend before quoting on an older garage is telling you something about how the job will run.

Never attempt anything involving the springs or cables on an existing door, and be wary of anyone offering to who is not a garage door technician. The counterbalance on a door weighing well over a hundred kilograms stores enough energy to cause serious injury when released without the correct tools, and this is among the few genuinely dangerous tasks in domestic maintenance. That applies equally to removing an old door yourself before an installer arrives. The same applies to adjusting an existing door that is heavy to lift or sits unevenly, which are signs of a counterbalance problem and belong with garage door repairs rather than a replacement.

Ask what the quote includes beyond the door. Removal and disposal of the old door, any remediation to the opening, seals, the opener if one is being fitted, remote controls and electrical work if a new outlet is needed are all items that are included by some suppliers and not others. A figure that covers only the door and its installation is not comparable with one that covers the whole job. Get the exclusions in writing. Ask about the warranty on the installation as well as the product, since the two are separate and only one comes from the manufacturer.

Check the strata position before ordering if you live in a townhouse, villa or any strata titled property. The garage door is frequently common property, and replacing it or changing its colour without the owners corporation's approval can result in being required to undo the work at your own cost. A short email to the strata manager resolves it, and where the scheme has a specification, that governs the choice. Body corporate approval can take weeks, so start that conversation before you begin choosing colours.

What to Look for in a Quote in NSW

The quotes worth weighing name the product and spell out what has been assumed about the site. It should specify the manufacturer, the door type, the panel profile, the colour, the exact size, whether it is insulated and to what rating, the wind rating where relevant, what hardware grade is being supplied, whether removal and disposal of the old door is included, and what has been assumed about the condition of the opening. Opening remediation and disposal are the lines most often absent. It should also state the lead time, since a cheaper door arriving in eight weeks is a different proposition from one available next week.

Brief each supplier with the same set of details. Provide the opening width and height measured at several points, the headroom, side room and backroom, the reveal material, a note on the floor level across the opening, the make of any existing opener you intend to keep, and photographs of the opening from outside and of the ceiling and both side walls from inside. That package turns a wide estimate into a firm price and lets suppliers rule themselves out early where a product will not fit. Include a photograph taken from across the street as well, which helps with colour and profile advice.

A supplier who asks about the space, not just the opening, is quoting the installation. A supplier asking for the headroom, what is fixed to the ceiling, checks the reveal material and asks about the existing opener is quoting the installation rather than the door. One who provides a price from a width and a colour has quoted a product, and the installation questions will arrive later as variations. The questions asked predict the accuracy of the price fairly reliably. Ask what they would recommend and why, because a supplier who explains a trade off rather than simply agreeing with you is worth listening to.

Settle the product, the site assumptions, the removal and the warranty before anyone orders. Confirm in writing exactly which door is being supplied and in what size and colour, settle what happens should the opening need remediation, establish who removes and disposes of the old door, and get the warranty terms on both the door and the installation. Then keep the paperwork with the model details. The garage door installation and repairs hub covers the wider category, with automation under garage door openers and automation. Confirm the deposit and payment terms too, since a modest deposit on a custom order is normal and full payment upfront is not.