Commercial Builders Costs VIC 2026 - Get Free Quotes

Commercial Builder Costs in Victoria

Commercial construction in Victoria runs from roughly $1,000 to $1,800 per square metre for a warehouse or industrial shell, through $2,500 to $4,500 for an office base build, and $1,200 to $5,000 or beyond for a fit-out. That spread is enormous, and it is not a sign that anybody is being vague. The phrase commercial building covers projects with almost nothing in common beyond being non-residential. A warehouse is a big steel shed with a slab. A restaurant of the same floor area is a dense package of mechanical, hydraulic and fire services with some seating in front of it, and it can cost three or four times as much per square metre.

Before any of those numbers matter, though, there is a legal point that first-time commercial clients almost universally get wrong. It is worth more to you than any cost table on this page. Commercial work is not domestic building work. The consumer protections you relied on when you built a house simply do not exist here, and nobody is obliged to tell you that before you sign. Most people discover it at the worst possible moment, which is the moment something goes wrong.

Consider what that actually removes. There is no deposit cap, so a commercial builder may lawfully ask for whatever the contract says. There is no domestic building insurance protecting you if they become insolvent halfway through. There is no cooling-off period after signing. And there is no free conciliation service standing between you and a courtroom if the relationship breaks down, which is where a registered builder in the commercial space operates under entirely different assumptions to one building a house.

The law takes this position deliberately rather than by oversight, and it is worth understanding the logic. It assumes that a commercial party can look after itself, take proper advice, and negotiate its own terms. That assumption is entirely fair for a listed developer with a legal team, and considerably less fair for a cafe owner fitting out their first shop with a builder they met through a friend. The law does not distinguish between the two of them, and your protection is therefore the contract you sign and nothing else at all.

What you do get in return is genuinely powerful, and it is the thing most owners have never heard of. Victoria's security of payment framework gives a contractor a statutory right to claim progress payments and imposes strict, short deadlines on the party who has to respond. Understanding how it works is not optional if you are the one paying, because a missed deadline can cost you the full amount claimed without you ever getting to argue about whether the work was any good.

Commercial Is Not Domestic

The threshold question on any project is whether the work is domestic building work or not, because everything else follows from the answer. Domestic building work is work on a home, and it attracts the full suite of consumer protections: the capped deposit, domestic building insurance, the cooling-off period, and the free conciliation pathway before a tribunal. Commercial work attracts none of them.

The trap sits in the middle, in the buildings that are neither one thing nor the other, and it catches people every year. A shop with a residence above it, or a mixed-use building with apartments over retail. A house converted into consulting rooms, or a warehouse with an office and a caretaker's flat. Work on any of those can be partly domestic and partly not, and the two halves attract completely different protections. Do not assume, and above all do not let a builder assume on your behalf. Ask the question explicitly, in writing, at the very outset, because the answer determines what legal position you are actually in, and it is not always the one you expect.

Registration still applies, and this is the one protection that survives the transition from domestic to commercial. A commercial builder must be registered with the Building and Plumbing Commission, in the appropriate class of registration for the work actually being done. That last part matters, because a builder registered for domestic work is not automatically registered for your commercial project. Check it yourself against the register rather than accepting a claim across a table, because it takes two minutes and it is the only free protection you are going to get.

Everything else is a matter of negotiation, and that changes how you should approach the project entirely. Retention held back from each payment, and a bank guarantee or another form of security. Liquidated damages if the builder finishes late and you are paying rent on premises you cannot trade from. Defects liability periods, insurance requirements, and payment terms are all things you can and should negotiate into the contract rather than accept as offered. On a domestic build the law hands you a floor beneath which nobody may go. On a commercial build there is no floor, and you have to build one yourself before you sign.

The practical implication is straightforward and worth acting on. Get a lawyer who actually practises construction law to read the contract before you sign it. Not your conveyancer, and not your accountant, both of whom will do their best and neither of whom does this for a living. On a project of any size the fee for a proper contract review is a fraction of a single progress payment. It is comfortably the best money in the entire budget, and the people who skip it are the people who find out later what they agreed to.

Building Classification

Every building in Australia is classified under the National Construction Code, and the classification determines what the building must do. Offices sit in one class, shops and restaurants in another, warehouses and factories in another again, and a building used for public assembly in another. Each classification carries different requirements for fire resistance, egress, access, sanitary facilities and services.

This matters enormously the moment you change what a building is used for, and it is where owners get an unpleasant surprise. Converting a warehouse into a gym, a shop into a restaurant, or an office into a childcare centre is a change of use, and the building must then comply with the requirements for its new classification rather than its old one. The building was legal yesterday, and it may not be legal for what you propose tomorrow.

The consequences of a change of use are frequently structural and expensive rather than cosmetic, and this is where a bargain lease turns into a problem. New fire separation between tenancies, and an upgraded fire detection or suppression system. Additional exits, or wider doors on the exits you already have. Accessible sanitary facilities where none existed. Mechanical ventilation, make-up air, and a grease arrestor for a commercial kitchen, along with the plumbing services to connect all of it. A cheap lease on a building that needs a hundred thousand dollars of upgrade before you can lawfully use it for your purpose is not a cheap lease at all, and the rent was affordable for exactly that reason.

Disability access is part of the same picture and it is not optional, whatever anybody tells you about the building having always been that way. Accessible entry, accessible circulation through the tenancy, accessible sanitary facilities, and compliant signage are all required. On an older building, achieving compliant access can mean ramps, a lift, or reconfiguring an entrance that has worked perfectly well for forty years and now does not comply. That is expensive, and on a narrow shopfront it can be close to impossible. Establish the position before you commit to premises, because access is the single requirement most likely to render a marginal site completely unviable, and no amount of concreting services at the entrance will fix a building that cannot accommodate it.

The person who can tell you all of this is the registered building surveyor, and they should be engaged early rather than at permit stage when it is too late to act on the answer. A good surveyor will tell you exactly what the building will need for your proposed use before you sign a lease. That is precisely when the information is worth something to you and precisely when almost nobody asks for it. A building inspection and a surveyor's early advice together cost very little against a five-year lease. They can save you from committing to premises you cannot lawfully use for the business you had in mind, and that is the single most expensive mistake available in this category.

Security of Payment

Victoria's security of payment framework exists for a reason worth understanding. Construction runs on credit: subcontractors do the work, then wait to be paid, and while they wait they are paying their own people. Contractors were going broke waiting, and when they went broke everybody below them went broke too. The framework gives a contractor a statutory right to make a payment claim. It then obliges the party receiving that claim to respond, within a strict timeframe, with a payment schedule setting out how much they propose to pay and precisely why.

The deadlines are the whole point of the legislation, and they are short. If you receive a payment claim and fail to provide a payment schedule within the time allowed, you can become liable for the full amount claimed. Read that again, because it is not what most people assume. Not the amount you think is fair, and not the amount the work was actually worth, but the amount claimed, whatever it happens to be. The merits of that claim never get argued at all, because you did not respond within the time. It is one of the very few places in Australian law where silence costs you the argument outright.

That is a genuinely serious exposure, and it catches owners who treat an invoice as something to deal with next week. Whoever is administering your contract, whether that is you, a project manager or a superintendent, must know the timeframes and must diarise them. This is not paperwork and it is not bureaucracy. The difference between paying for the work you actually received and paying for whatever somebody wrote on a page comes down to whether you answered in time.

The other half of the framework is adjudication, which is a fast determination of a payment dispute by an independent adjudicator rather than by a court. It exists to keep money moving while the parties argue about the merits, rather than letting a subcontractor go under while a principal takes two years to decide something. It produces a decision quickly, in weeks rather than months. Adjudication is not a final determination of everybody's legal rights, and it is nevertheless enforceable, which is the part that matters. Money changes hands well before anybody sees a judge, and getting it back afterwards is a different and much harder project. The legislation is built around that asymmetry deliberately.

The practical advice is to take payment claims seriously from the first one, and to have somebody competent administering the contract. Owners who ignore a payment claim because they are unhappy with the work have not withheld payment. They have simply lost the argument before it started, and they will pay in full and then try to recover afterwards, which is a far worse position to be in.

Essential Safety Measures

Essential safety measures are the fire and life safety systems in a building, and in Victoria they come with an ongoing obligation that a great many owners simply do not know exists. It is worth reading this section even if you read nothing else. The measures include exit signs and emergency lighting, fire doors, extinguishers, hydrants and sprinklers, smoke alarms, mechanical ventilation, and the paths of travel to the exits. Put plainly, everything that keeps people alive in a building when something goes badly wrong. They are not decorative and they are not optional.

The measures that apply to your particular building are determined at building permit stage by the registered building surveyor, and they are set out in a schedule. That schedule is not a one-off document you file away and forget about. It specifies exactly what has to be maintained, how often each item has to be checked, and to what level of performance it must operate. And the obligation to do every bit of that sits with the building owner rather than with the builder who installed it. The builder walks away at handover. You do not.

An annual essential safety measures report has to be prepared, confirming that the required maintenance has been carried out and that the measures are actually operating as they should. This is a recurring obligation, and it recurs for as long as you own the building. Nobody sends you a reminder. It is comfortably the single most commonly overlooked duty in Victorian commercial property ownership, and owners who have held a building for a decade without ever preparing one are not rare. Think of it as a duty that follows the asset rather than the transaction, in much the same way that a residential pool barrier certificate follows the pool. Put it in a calendar the day you take possession.

The consequences of neglecting it are not merely administrative. A building whose fire systems are not maintained is genuinely more dangerous, and a purchaser's lawyer will ask for the reports during due diligence, which means an unmaintained building is also a harder building to sell. Insurers take an interest as well, and that interest tends to surface at the worst possible moment.

The practical advice is simple and worth following exactly. Get the essential safety measures schedule from your building surveyor at handover, and do not let it disappear into a drawer. Put the maintenance on a contract with somebody competent to do it. Then diarise the annual report so that it happens whether or not anybody remembers. It is a modest recurring cost and a thoroughly unglamorous one, and it protects the people who use your building, which is why commercial air conditioning and mechanical ventilation maintenance turn up in that schedule alongside the fire systems rather than in a separate conversation.

Fit-Outs and Make-Good

Most commercial building work in Victoria is fit-out rather than new construction, and a fit-out is a different animal to a base build. You are working inside somebody else's building, on their terms, to their timetable, under a lease that governs what you may and may not do. The landlord has views, the building manager has rules, and the other tenants have opinions about noise.

The base build and the fit-out have to be separated clearly in your mind and, far more importantly, in your contract. The boundary between them is where commercial disputes live. The base build is the shell: the structure, the facade, the roof, the lifts, the main services and the fire systems. The fit-out is everything you then put inside it. The trouble is that the boundary moves from building to building, so does the base build include a ceiling, air conditioning to your tenancy, sprinklers set out for the walls you are about to build? Who pays for what at that boundary, and who owns it afterwards, should be spelled out in writing rather than assumed by anybody, because assuming is how a fit-out budget doubles and how carpentry services end up building something twice.

The landlord's consent and the building rules will constrain you a great deal more than you expect, and none of it is negotiable once you are in. Work restricted to outside business hours in an occupied building. Rules about which lifts may be used and at what times. Protection of common areas, minimum insurance levels for every contractor, and prior approval of everybody who comes on site. All of that is entirely normal and all of it costs money. Building those constraints into the programme and the price is the whole difference between a realistic fit-out quote and an optimistic one, and it is where tiling services and every other trade get squeezed into night shifts nobody priced.

Make-good is the clause everybody signs and nobody reads, and it is the one that produces the nastiest surprises at the end of a lease. It obliges you to return the premises to a specified condition when you leave, and depending on how it is drafted that can mean stripping out everything you installed and reinstating the original shell. On a substantial fit-out that is a five-figure or six-figure liability sitting quietly in your lease from day one.

Negotiate make-good at lease stage rather than discovering it at lease end, when you have no bargaining position whatsoever. Timing is everything here. Get the condition of the premises properly recorded before you start any work: photographs, a written schedule of condition, and a clear agreement about exactly what you will and will not be required to remove when you go. Do all of that on day one while everybody is friendly and the lease is still being negotiated. Demolition services and a full strip-out at the end of a lease are a very real cost, and somebody is going to pay it.

Choosing a Builder

Check the registration first and check it yourself, because it is the one free protection you have. The Building and Plumbing Commission maintains a register of building practitioners, and commercial work requires registration in the appropriate class. A builder registered for domestic work is not necessarily registered for the commercial project you are proposing.

Ask for evidence of financial capacity, and do not be remotely embarrassed to ask for it. This is the question people skip because it feels rude, and it is the most important one on the list. On a commercial project there is no domestic building insurance standing behind the builder if they become insolvent halfway through your fit-out. Their solvency is therefore your risk, entirely, in a way it simply is not when you build a house. On a project of any size, ask about a bank guarantee, ask who their referees are, and ask whether they will provide financial information. A serious builder expects the question and answers it.

Ask specifically about experience with your building classification and your intended use, rather than about experience in general. A builder who does warehouses beautifully is not automatically the right builder for a restaurant fit-out. On a restaurant the mechanical services, the grease arrestor, the fire suppression over the cooking line and the health requirements are effectively the entire job, and the walls are an afterthought. Those are different skills and different subcontractors. Ask for two or three completed projects of the same type and the same classification, and then go and physically look at them rather than at a photograph on a website.

Ask who will actually run the job on site, by name, and ask how many other projects that person is running at the same time. This matters more than almost anything else you will ask. On commercial work the site manager is the single biggest determinant of whether a project finishes on time and on budget. A site manager stretched across four jobs will not give yours the attention it needs on the day something goes wrong, and on a commercial project something always goes wrong. Ask to meet them before you sign, not after.

Finally, ask how they handle payment claims and variations, and listen very carefully to the answer you get. A builder who administers the contract properly, issues clear payment claims on time, and prices variations transparently is worth paying a little more for. That discipline is worth real money to you when something goes wrong. A builder who is casual about paperwork will become very much less casual about it the moment there is a dispute and the paperwork suddenly favours them. Everybody beneath them gets caught in the middle of that, and so do you, which is why roofing services and every other subcontractor prefer a builder who pays properly.

The Sequence of Work

Feasibility and due diligence come first, and on commercial work those words mean something quite specific rather than a general look around. Establish the building's current classification under the code. Establish what your proposed use will actually require, and whether the change of use triggers upgrades to fire, access or services. Establish what disability access will demand, and what the lease itself permits you to do. A building surveyor and a construction lawyer earn their fees at this stage more than at any other point in the project, and the money spent here is the money that prevents disasters later, much as an early waterproofing specification prevents a wet area failing two years in.

Design and documentation follow, and on commercial work the consultant team is considerably larger than anything a house requires. An architect or designer. A structural engineer. Mechanical, electrical and hydraulic engineers, because the services are the job. A fire engineer where the building needs one, an access consultant for the disability requirements, and a registered building surveyor overseeing compliance. Together they typically run eight to fifteen per cent of the build cost, and trying to save money by skipping one of them is how projects end up being redesigned.

The building permit is issued by a registered building surveyor rather than by council, which surprises people who expect to deal with the council for everything. A planning permit may also be required, depending on the use you propose and the zone the property sits in. Here is the part that catches tenants completely: a change of use frequently requires a planning permit even where no building work at all is proposed. You can lease a shop, change nothing physically, and still need council's consent to operate the business you had in mind. Find that out before you sign the lease rather than after you have paid three months rent.

The contract is then negotiated and signed, and this is where your protections are either secured or lost. Payment terms, retention, defects liability, liquidated damages, insurance, and the variation process all have to be right before anybody starts, because none of them can be improved afterwards. Have a construction lawyer read it.

Construction then proceeds, with mandatory inspections at the prescribed stages, and it finishes with the occupancy permit. Everything at the end of the job turns on that permit. You cannot lawfully occupy the building until it is issued, and it will not be issued until the essential safety measures are installed, commissioned and properly certified. A building that is finished is not the same as a building you may open. That gap has caught more than one business with an advertised opening date, which is exactly why waterproofing services and every other certified element must be signed off rather than merely completed and admired.

What Affects the Cost

The building classification and the intended use drive the cost far more than the floor area does, and this is the thing owners find hardest to accept. A warehouse shell is a simple structure with a slab, a frame, a roof and very few services, and it prices accordingly. A restaurant of exactly the same floor area is a completely different proposition. It needs mechanical exhaust and make-up air, a grease arrestor, fire suppression over the cooking line, extensive hydraulic work, and health-compliant surfaces throughout. Two buildings, identical on a plan, and one costs three or four times as much per square metre as the other.

Services are the largest single cost bucket on most commercial projects, and they are entirely invisible in a floor plan. That is why owners looking at a drawing consistently underestimate them. Mechanical ventilation and air conditioning, and fire detection and suppression. Electrical distribution, switchboards and data cabling, which on a modern office is a substantial package in itself. And the hydraulic services running through all of it. Together those frequently exceed the cost of the structure they sit inside, which means a quote that treats them lightly has not understood the job, and electrical services alone can be a bigger line than the walls.

Working in an occupied or operating building costs substantially more than working in an empty one, and owners consistently underestimate the premium. Consider what actually changes. Noisy work moves to nights and weekends, which means penalty rates on every trade. Access runs through a booked loading dock and a goods lift rather than a truck at the door. Common areas have to be protected and cleaned, dust has to be contained, hoarding goes up, and the building manager approves every contractor before they set foot on site. On a fit-out inside a functioning office tower those constraints can add a very large percentage to the labour, and a builder who has priced a normal working day the landlord will never permit has not priced your job at all.

Existing conditions in an older building are the classic commercial variation, and they are discovered rather than planned for. Asbestos in a building of the right vintage is close to a certainty, and the date most people get wrong is the important one: it was not fully banned in Australia until the end of 2003. Structural inadequacy for your new use is another. So are services that simply do not have the capacity you need, and existing work done by a previous tenant that was never compliant and never certified. Every one of those surfaces the moment the ceiling comes down and somebody looks up. That is exactly why asbestos testing belongs before the strip-out rather than during it, and why asbestos removal is a line item with a real number rather than a hopeful assumption.

The programme is a cost in itself on commercial work, in a way it simply is not on a house. Every week your premises are not trading is a week of rent with no revenue behind it, plus staff you may already have hired and stock you may already have bought. On a retail or hospitality fit-out that weekly cost can genuinely dwarf the difference between two builders' prices. Think about what that means when you compare quotes. A builder who finishes three weeks earlier for a slightly higher price may well be the cheaper builder in the only sense that matters. Ask for the programme in writing, ask what it assumes, and treat it as a number rather than a hope, because commercial painting and the final trades are always where a slipping programme shows up.

Commercial Builder Costs Across Melbourne

Melbourne commercial pricing separates on three things: access, the constraints of working in an occupied building, and the age of the stock. The central business district is comfortably the most expensive place in the state to build. Access is difficult and everything comes through a booked loading dock. Working hours are restricted because the neighbours are running businesses. Materials are craned or carried in a goods lift rather than driven to the door. And the buildings are very often occupied and trading while the work proceeds around them.

The suburban retail strips deserve a specific warning, because they are where small business owners most often come unstuck. Those buildings are old, they were built for a different use entirely, and they frequently need substantial upgrade before they can lawfully be used for a cafe or a food business. Fire, access, ventilation and hydraulics all come into it. The rent is affordable precisely because the building is not ready, and the gap between those two facts is yours to fund.

Commercial Builder Costs in Regional Victoria

Regional commercial construction is generally cheaper, with lower labour rates, considerably easier access, and far fewer restrictions on working hours than a city tower imposes. That is a real advantage and it is only part of the story. The pool of builders with genuine commercial capability in any given town is thinner than you would like. Specialist subcontractors, particularly in fire and mechanical services, may travel from Melbourne and charge accordingly. Long-lead items carry freight on top of their price. On a technically demanding project the regional saving can evaporate remarkably quickly, and on a simple one it holds up well.

Heritage buildings are the regional constraint that most affects commercial work, and the goldfields towns are full of them. A shopfront in Ballarat, Bendigo or Castlemaine may sit within a heritage overlay, which means council has views about the facade, the signage and anything visible from the street. Establish that before you design a shopfront you cannot build.

Specialist trades are the other regional reality and they need planning around. Fire services, mechanical contractors, and commercial kitchen installers may all travel from Melbourne, and their availability rather than your programme will determine when they arrive. Book them early, and build their travel into both the price and the timeline rather than discovering it late.

What to Look Out For

The first and largest risk is assuming that the protections you had when you built a house apply here as well, because not one of them does. There is no capped deposit. There is no domestic building insurance protecting you against the builder's insolvency. There is no cooling-off period, and there is no free conciliation service standing between you and a courtroom. Your only protection is the contract you sign. That means the contract has to be read, properly, by somebody who practises construction law, before you sign it rather than after the relationship has broken down.

Take payment claims seriously from the very first one that arrives, not from the first one you disagree with. Under the security of payment framework, failing to provide a payment schedule within the required timeframe can make you liable for the full amount claimed, regardless of whether the work ever justified it. That is a severe consequence for an administrative slip. Whoever administers your contract, whether that is you, a project manager or a superintendent, must know the deadlines and must meet them every single time without exception. Put them in a calendar with a reminder. Do not rely on remembering, because the one you forget will be the expensive one.

Confirm the building classification, and what your intended use will actually require, before you sign a lease rather than after. A change of use can trigger fire upgrades, additional exits, accessible sanitary facilities and substantial mechanical services. The cost of that upgrade is frequently the entire reason the rent looked so attractive in the first place, and the agent had no obligation to explain it to you. A cheap lease on a building that is unsuitable for your purpose is not a bargain. Call it a liability with a good address, since it means strip-out and demolition and a strip-out before you have sold a single coffee.

Read the make-good clause before you sign the lease rather than five years later when you are packing up. It can oblige you to strip out everything you installed and reinstate the original bare shell, which on a substantial fit-out is a very large liability sitting quietly in your lease from the first day. It also falls due at exactly the moment you can least afford it, when you are moving out and paying for somewhere else. Negotiate it while you still have something to negotiate with, which is before you have signed anything at all.

Finally, diarise the essential safety measures from handover. The fire and safety systems in your building have to be maintained and an annual report has to be prepared, for as long as you own it, and it is the most commonly neglected obligation in Victorian commercial property. It protects the people in your building and it protects you, which is why the painting contractor and every other maintenance contract should sit alongside it in the same calendar.

What to Look for in a Quote in Victoria

A commercial quote worth comparing is priced from full documentation, and it identifies the scope with precision rather than describing it in comfortable general terms. Vagueness in a commercial quote is never accidental. It should set out the contract sum, the payment terms and the claim cycle, and the retention held. It should state the defects liability period, any liquidated damages for late completion, and the insurances the builder actually carries. And it should spell out the variation process and the margin charged on variations, a programme with key dates, a full exclusions list, and every provisional sum with its allowance.

Get three quotes and then normalise them onto one agreed scope, because commercial quotes differ far more than domestic ones do and the differences are invisible. One builder will have allowed for after-hours work in an occupied building, at penalty rates, and another will have priced a normal working day that the landlord will never permit. One will have priced the mechanical upgrade your change of use requires, and another will not have realised it was needed at all. One will have allowed for the strip-out and the other assumes you are doing it. Comparing the totals under those conditions rewards whoever excluded the most, which is precisely why painting services and every other finishing trade are worth checking line by line.

Check the registration against the register, ask about financial capacity, and ask for two completed projects of the same type and the same building classification. Then go and look at them rather than looking at photographs. On commercial work you carry the insolvency risk yourself, entirely, because there is no domestic building insurance sitting behind the builder. That is precisely why the builder's balance sheet is a legitimate thing to ask about, and a serious commercial builder will not be offended by the question. One who is offended has told you something.

Describe the project properly when you seek quotes. Tell builders the address and the current use of the building, the use you propose, whether it is a base build or a fit-out, the floor area, whether the building is occupied and what the access and hours restrictions are, whether you hold a lease and what it requires, whether you have documentation and a building surveyor engaged, and when you need to be trading. On The Quote Yard you can describe it once and get quotes from several commercial builders across Victoria.