Sydney is the most expensive city in Australia to renovate, and it is not close. The same bathroom that costs a Hobart homeowner around $13,000 will run a Sydney homeowner closer to $17,000 for identical fixtures and identical scope. The tiles are the same. The membrane is the same. What changes is the labour rate, the site access, the parking, the waste disposal, and the simple fact that a good waterproofer in Sydney has a three-month waiting list and prices accordingly.
This guide sets out what renovation work actually costs in Sydney in 2026 — not the numbers builders use to win the job, but the numbers that appear on the final invoice. It covers the full range, from a $15,000 cosmetic refresh in a Marrickville semi to a $900,000 whole-house rebuild in Mosman, and it explains where the money goes at each level.
For more detail on this part of the project, see Kitchen Renovation Costs in Sydney: What You Actually Pay in 2026.
The Short Answer: Sydney Renovation Costs at a Glance
Most Sydney renovation projects fall into one of four bands. The bands are defined less by the rooms involved and more by whether the work touches structure, services and the building envelope.
- Cosmetic refresh — $15,000 to $40,000. Paint, floor coverings, new tapware and fittings, lighting swaps, benchtop replacement, cabinet doors and handles. Nothing moves. No trades that require certification beyond electrical and plumbing sign-off.
- Mid-range renovation — $40,000 to $120,000. A full kitchen and one bathroom, or a whole-house cosmetic upgrade with new flooring throughout, replaced joinery and some minor wall removal. Services get relocated. Approval may be needed.
- Major renovation — $120,000 to $400,000. Structural change, a rear extension or reconfigured floor plan, new roof or windows, complete re-wire and re-plumb. Certification, engineering and energy compliance all come into play.
- Whole-house and premium — $400,000 to $1.2 million-plus. Effectively a rebuild behind a retained facade, or a substantial two-storey addition with high-specification finishes. This is architect territory.
A useful sanity check: renovation work in Sydney in 2026 generally runs between $2,500 and $4,500 per square metre of floor area affected, and structural or additive work sits at the upper end because you are paying a 10 to 15 per cent premium over new-build rates just to integrate old fabric with new.
Room-by-Room Costs in Sydney
Kitchens
A Sydney kitchen renovation lands somewhere between $18,000 and $60,000 for the great majority of projects, with the national midpoint sitting around $14,300 and Sydney running roughly 15 to 20 per cent above that.
- $18,000 to $28,000 — flat-pack or entry-level custom cabinetry, laminate or compact laminate benchtops, mid-tier Australian appliances, existing layout retained. Everything stays where it is.
- $28,000 to $45,000 — custom cabinetry, engineered stone or porcelain benchtops, an island, integrated dishwasher, decent induction cooktop and oven, a modest layout change.
- $45,000 to $80,000 — full custom joinery with soft-close everything, a butler’s pantry, premium European appliances, natural stone, and plumbing and electrical relocated to suit a new plan.
- $80,000 plus — designer kitchens with book-matched stone, integrated refrigeration, specialty finishes and bespoke metalwork.
The single biggest cost lever is whether the sink and cooktop move. Relocating plumbing under a concrete slab in a 1970s apartment can add $4,000 to $8,000 on its own. In a timber-floored terrace with a subfloor to work in, the same change might cost $1,500.
Bathrooms
Sydney bathrooms typically cost $22,000 to $38,000 for a standard family bathroom of six to eight square metres, done properly by a licensed team with a compliant waterproofing membrane and a certificate to prove it.
- Strip-out and disposal: $1,500 to $3,000
- Plumbing rough-in and fit-off: $4,000 to $8,000
- Electrical, including heated towel rail, exhaust and lighting: $1,500 to $3,500
- Waterproofing to AS 3740: $1,200 to $2,500
- Tiling, supply and lay: $6,000 to $14,000
- Fixtures, tapware, screen and vanity: $4,000 to $12,000
- Plastering, painting and making good: $1,500 to $3,000
Be sceptical of any Sydney bathroom quote under $18,000. It is achievable, but usually only by cutting the membrane back to the minimum, using the cheapest available screen, and skipping the making-good that turns a finished room into a finished room. The most common expensive failure in Sydney bathrooms is a membrane that was never independently certified, discovered two years later when the neighbouring bedroom skirting starts to swell.
Living areas and bedrooms
These rooms are cheap by comparison because they contain no services. A full cosmetic upgrade of a living room and three bedrooms — new flooring, full repaint, new skirtings and architraves, replaced lighting, built-in robes — usually costs $25,000 to $50,000 across the whole group. Built-in wardrobes run $2,000 to $5,000 per room depending on whether they are melamine or two-pack.
Laundries
A separate laundry renovation costs $8,000 to $18,000. It is the room most often bundled into a bathroom job to share the plumber’s mobilisation, which is a sensible way to save $1,500 to $2,500.
What Drives Sydney Prices Above the National Average
Labour rates
Sydney trades charge at the top of the national range. Plumbers and electricians bill around $92 an hour in Sydney against roughly $72 in Hobart — a 28 per cent gap that flows straight through to every line of a quote. Carpenters, tilers and renderers show a similar spread. On a job with 600 trade hours in it, that gap alone is $12,000.
Site access and parking
This is the cost most homeowners never anticipate. A terrace in Paddington with no rear lane, a two-metre frontage and metered parking means every sheet of plasterboard is carried by hand, every skip needs a council permit, and the crew loses forty minutes a day to logistics. Inner-city access constraints commonly add 8 to 15 per cent to a job compared with the identical scope on a Kellyville block with a driveway and a front lawn to stage materials on.
- Council skip and hoarding permits: $300 to $1,200 depending on the council
- Work zone permits in the inner city: $80 to $200 per day in some LGAs
- Crane or hiab hire where a truck cannot reach: $1,500 to $4,000 per lift
Waste disposal
NSW waste levies make demolition expensive. A full bathroom strip-out generates two to three tonnes of tile, mortar bed and rubble. Mixed construction waste disposal in Sydney costs $180 to $320 per tonne. If asbestos is found — and in any Sydney home built before 1990 it is a live possibility — licensed removal and disposal starts around $2,500 for a small wet area and climbs quickly from there.
Compliance
Once your renovation crosses $50,000 in estimated value, BASIX applies in NSW, bringing thermal comfort, water and energy targets with it. Meeting a whole-of-house BASIX outcome on an older Sydney home can add $8,000 to $25,000 in glazing, insulation and hot water system upgrades. It is real money and it is not optional.
Extension and Addition Costs
Adding floor area is the most expensive thing you can do per square metre, but it is also the work that most reliably changes what a Sydney property is worth.
- Small ground-floor addition, 20 to 30 sqm — $80,000 to $150,000
- Medium ground-floor addition, 30 to 50 sqm — $150,000 to $250,000
- Large ground-floor addition, 50 to 70 sqm — $250,000 to $350,000 and up
- Rear open-plan addition with new kitchen — $150,000 to $300,000
- Second-storey addition — $300,000 to $600,000, driven heavily by whether the existing footings and walls can carry the load
Within a typical rear addition, some individual items are worth knowing: removing a load-bearing wall and installing a steel beam runs $8,000 to $15,000; a new kitchen with stone benchtops and custom cabinetry is $35,000 to $65,000; and a bank of sliding or bi-fold doors to the garden costs $6,000 to $15,000. Structural engineering reports and the approval pathway together add $3,000 to $6,000 before a single tradesperson arrives.
For a full treatment of the options, see our guide to home extensions in Sydney.
How Sydney Suburbs Change the Number
The same scope of work is not the same price across the city. Three factors move it.
Housing stock
The eastern suburbs and inner west are dominated by Federation terraces, semis and workers cottages built between 1890 and 1930. These homes have no cavity insulation, ungrounded original wiring where it survives, lath-and-plaster or fibrous plaster ceilings, and often no footings worth the name. Renovation work on them carries a surcharge of 15 to 30 per cent for the unknowns alone.
The north-western and south-western growth corridors — Kellyville, Marsden Park, Oran Park, Leppington — are full of homes built after 2000. Square, level, insulated, on slabs, with modern services. Work here is faster and cheaper because nothing surprises anybody.
Topography
Sydney is built on sandstone. Excavation for a basement, a pool or even a set of footings can hit rock at 400mm. Rock excavation costs $250 to $600 per cubic metre against $80 to $150 for ordinary soil. Steep blocks in the northern beaches, Sutherland Shire and lower north shore also drive up scaffolding, craneage and retaining costs.
Council culture
Approval friction varies enormously across Sydney’s 33 councils. Woollahra, Ku-ring-gai and Hunters Hill have extensive heritage conservation areas and detailed controls; Blacktown and Camden are considerably more permissive for standard suburban work. The difference is measured in months of holding costs. Our guide to council approval for Sydney renovations covers which pathway applies to which job.
Hidden Costs That Appear on Almost Every Sydney Job
Industry data consistently shows hidden costs adding 10 to 25 per cent to renovation budgets. In Sydney the recurring culprits are predictable enough that you should simply budget for them.
- Electrical upgrades. Once you open walls, a licensed electrician cannot leave non-compliant work in place. Old rubber-insulated cable, no safety switches, an undersized switchboard — a switchboard upgrade and partial rewire adds $3,000 to $9,000.
- Plumbing you did not plan to touch. Galvanised steel supply pipe in pre-1970 homes is at end of life. Replacing it through an occupied house costs $6,000 to $15,000.
- Structural repair. Rotten bearers, termite damage in a wall frame, cracked piers under a terrace. Budget $5,000 to $20,000 as a contingency line for any pre-1940 home.
- Asbestos. Eaves, wet area sheeting, vinyl tile backing and fence sheeting. $2,500 to $15,000 depending on extent.
- Levelling. Old Sydney floors are rarely flat. Self-levelling compound before a tile or timber floor goes down can add $40 to $90 per square metre.
A 15 per cent contingency is the minimum for any home built before 1980. For pre-1930 stock, 20 per cent is the honest number.
Where the Money Is Well Spent and Where It Is Not
Worth paying for
- Waterproofing. The cheapest catastrophic failure in Australian housing. Never value-engineer the membrane.
- Structural engineering. A $2,500 engineer’s report that sizes a beam correctly is insurance against a $60,000 problem.
- Windows and glazing. On a Sydney home, good glazing changes both comfort and BASIX outcomes and is very difficult to retrofit later.
- Joinery. Custom cabinetry is the difference between a kitchen that works and one that merely looks acceptable in photographs.
Where restraint pays
- Tile selection. A $45 per square metre porcelain tile laid well beats a $140 tile laid poorly, every time.
- Appliances. The gap between a good mid-tier oven and a premium European one is $4,000 and rarely visible in daily use.
- Moving wet areas. Every metre a bathroom moves costs real money for no visible gain. Reconfigure within the existing footprint where you can.
- Smart home systems. Wire for them. Install them later, when the technology has moved on and you know what you actually use.
Building a Budget You Can Defend
The homeowners who finish on budget in Sydney do three things consistently.
They price the job before they fall in love with it. That means getting a builder or quantity surveyor to walk the property and give a range before the design is locked, not after.
They separate the fixed from the variable. Structure, services and compliance are fixed — they cost what they cost. Finishes are variable, and that is where a budget flexes. Knowing which line items are which stops you cutting the wrong thing under pressure.
A related guide to consider while planning this work is How Much Does a Full House Renovation Cost in Australia?.
They hold the contingency in a separate account and treat spending it as a decision, not an accident. On a $200,000 Sydney renovation, that means $30,000 sitting untouched until something genuinely unexpected happens — and something will.
Finally, understand that the quote is not the cost. Add council fees, certifier fees, BASIX, engineering, temporary accommodation if you move out, storage, and the thousand-dollar decisions that accumulate at fit-off. Across a mid-sized Sydney renovation, these soft costs typically run 8 to 12 per cent above the construction contract. Budget for them at the start and the project stops feeling like it is constantly getting more expensive — because it will not be.