The renovation cost for bathroom projects in Australia usually starts around AUD 8,000 to 18,000 for a cosmetic refresh, AUD 15,000 to 30,000 for a basic renovation, and AUD 25,000 to 45,000 for a standard full renovation. Premium or layout-changing projects can move beyond AUD 45,000 once labour, waterproofing, plumbing, tiling and fixture quality are all included.
That range changes from one suburb or region to another. Sydney and inner Melbourne often sit above Adelaide, Perth or regional areas because labour, access, rubbish removal and lead times are not the same. For a broader non-country-specific overview, see our bathroom remodel cost guide.
If you are planning a bathroom renovation cost Australia budget, size matters less than scope. The cost of a bathroom renovation is driven by plumbing moves, waterproofing, tile coverage, fixture quality, ventilation and the amount of hidden work that only appears after demolition.
How Much Does a Bathroom Renovation Cost in Australia?
These are planning estimates only. Unless a row says otherwise, assume labour, standard materials and fixtures are included. GST treatment can vary by contractor quote, and approvals, design fees and contingency are separate unless noted.
| Project level | Indicative total range (AUD) | Typical scope | Layout change? |
|---|---|---|---|
| Cosmetic refresh | AUD 8,000 to 18,000 | Paint, mirrors, lighting, tapware updates, small fixture changes and limited surface repairs | No |
| Basic renovation | AUD 15,000 to 30,000 | Demolition, new vanity, toilet, shower screen, partial tiling and limited plumbing or electrical updates | Usually no |
| Standard full renovation | AUD 25,000 to 45,000 | Full strip-out, waterproofing, new tile, shower, vanity, toilet, lighting and ventilation | Usually minor or no |
| Premium renovation | AUD 45,000 to 80,000+ | Premium tile, frameless glass, custom joinery, feature lighting, upgraded tapware and better finishes | Sometimes |
| Extensive or layout-changing renovation | AUD 60,000 to 100,000+ | Plumbing relocations, structural or substrate repairs, bespoke joinery and deeper technical work | Yes |
Planning note: if two quotes look similar but one keeps the existing layout and the other moves the shower or toilet, the totals will not be comparable. The bathroom renovation price rises quickly when technical work is added late.
Bathroom Renovation Cost by Size
A small room is not always cheaper. The same plumbing, waterproofing, tile setting and fit-off tasks still need to happen, so fixed costs stay high even when the bathroom is compact.
| Bathroom type | Typical area | Basic renovation | Standard full renovation | Premium renovation |
|---|---|---|---|---|
| Ensuite | 3 to 4 m² | AUD 10,000 to 18,000 | AUD 18,000 to 32,000 | AUD 30,000 to 55,000+ |
| Small bathroom | 4 to 5 m² | AUD 12,000 to 20,000 | AUD 20,000 to 35,000 | AUD 35,000 to 60,000+ |
| Standard bathroom | 5 to 8 m² | AUD 15,000 to 25,000 | AUD 25,000 to 45,000 | AUD 45,000 to 75,000+ |
| Family bathroom | 7 to 10 m² | AUD 18,000 to 30,000 | AUD 30,000 to 55,000 | AUD 55,000 to 90,000+ |
| Larger premium bathroom | 10 to 14 m² | AUD 25,000 to 40,000 | AUD 40,000 to 70,000 | AUD 70,000 to 120,000+ |
Small bathrooms can be surprisingly expensive per square metre because the fixed items still apply: waterproofing, a toilet, a vanity, a shower, plumbing connections and labour call-out costs do not shrink just because the room is small. An ensuite renovation cost in Australia can also rise fast if you want a compact room to feel more premium than its footprint suggests.
Bathroom Renovation Cost per Square Metre
Cost per square metre is helpful for early planning, but it is not a full budget. It works best as a screening tool while you are comparing scope, not as a final quote replacement.
| Project type | Typical planning band (AUD per m²) | Why it varies |
|---|---|---|
| Cosmetic refresh | AUD 2,000 to 4,000 | Surface-only work spreads over fewer trades and less waterproofing detail |
| Standard full renovation | AUD 4,000 to 7,500 | Includes demolition, waterproofing, tile, plumbing, electrical and fit-off work |
| Premium or layout-changing renovation | AUD 7,500 to 12,000+ | Custom joinery, larger tile coverage, plumbing moves, structural repairs and higher finish levels |
Fixed-cost items make the figure tricky. A toilet, vanity, shower screen, waterproofing setup, plumbing connection, exhaust fan, rubbish removal and site protection still have to be paid for even if the room is small. That is why bathroom renovation price per square metre can look high in compact ensuite projects.
Bathroom Renovation Cost Breakdown
A clearer budget split makes the numbers easier to check. It helps you see whether a quote is heavy on technical work, fixtures, joinery or finishing details before you commit.
| Budget category | Planning range (AUD) | What it usually covers |
|---|---|---|
| Design and measure-up | AUD 0 to 2,500 | Site measure, selections, drawings and early scope definition |
| Demolition and rubbish removal | AUD 1,500 to 4,500 | Strip-out, protection, carry-out, rubbish removal and disposal |
| Plumbing and electrical rough-in | AUD 4,500 to 16,000 | Pipe work, waste lines, wiring, fan connections and fixture repositioning |
| Waterproofing and substrate prep | AUD 2,500 to 8,000 | Membranes, sanding, levelling, patching and moisture protection work |
| Tiling and surface finishes | AUD 6,000 to 22,000 | Tile labour, trims, grout, adhesive and complex layout work |
| Fixtures and joinery | AUD 5,000 to 25,000+ | Shower, vanity, bath, toilet, tapware, custom cabinetry and glazing |
| Fit-off and accessories | AUD 1,000 to 6,000 | Lighting, mirrors, towel rails, shelving, sealants and final installation labour |
| Approvals and contingency | 10% to 20% reserve, plus any local fees | Budget buffer, inspections or professional fees where applicable |
Tile, tapware and joinery choices often move the budget more than floor area alone.
If you want to test your own scope, use the bathroom renovation cost calculator to compare room size, finish level and layout changes before you ask for quotes.
Labour vs Materials
On many Australian bathroom projects, labour is one of the biggest budget lines because the room needs several trades in a tight sequence: demolition, plumbing, electrical, waterproofing, tiling and fit-off. Labour can easily rival the price of fixtures and finishes once the project becomes technical.
The split changes with the type of bathroom you are building. A cosmetic refresh may lean more towards materials, while a full bathroom renovation cost can rise sharply once licensed trades, layout changes and detailed waterproofing are added. Labour in Sydney, Melbourne, Brisbane, Perth, Adelaide and regional areas can also behave differently because the market and access conditions are not the same.
Bathroom Renovation Costs by Component
Looking at the project by component helps you compare quotes and identify where the biggest jumps are likely to happen.
| Component | Planning range (AUD) | What pushes it higher |
|---|---|---|
| Demolition and disposal | AUD 1,500 to 4,500 | Access, rubbish removal, apartment logistics and extra protection |
| Plumbing rough-in and fit-off | AUD 3,500 to 12,000 | Moving fixtures, older pipes, access under slab or floor, concealed damage |
| Electrical and ventilation | AUD 1,200 to 4,500 | New lights, fan ducting, heated towel rails, mirror lights and circuit upgrades |
| Waterproofing | AUD 1,500 to 4,000 | Shower size, wall coverage, substrate repairs and moisture issues |
| Wall and floor preparation | AUD 1,000 to 4,000 | Levelling, patching, framing repairs and damaged linings |
| Tile installation labour | AUD 4,000 to 12,000 | Large-format tile, mosaics, niches, patterns and full-height wall tiling |
| Tiles and finishes | AUD 2,500 to 12,000+ | Porcelain, stone, premium grout, trims and feature walls |
| Shower package | AUD 2,500 to 12,000 | Frameless glass, tiled base, linear drain, niches and multiple outlets |
| Bathtub | AUD 800 to 5,500 | Freestanding shape, delivery, floor support and plumbing relocation |
| Vanity and storage | AUD 1,500 to 10,000+ | Custom joinery, stone top, double vanity and concealed storage |
| Toilet | AUD 400 to 2,500 | In-wall cistern, premium seat, concealed plumbing or specialty finish |
| Tapware and accessories | AUD 300 to 2,000 | Brand level, finish, shower set complexity and wall-mounted components |
| Lighting and mirrors | AUD 500 to 3,500 | LED mirrors, downlights, dimming, wall sconces and wiring changes |
| Painting and finishing | AUD 500 to 2,500 | Surface prep, moisture-resistant paint and repairs after tiling |
Shower renovation costs
A prefabricated shower base is usually cheaper than a fully tiled shower base. Once you add frameless glass, a niche, a bench, a linear drain or multiple water outlets, the shower becomes one of the biggest cost drivers in the room. A curbless shower may also need floor-level changes or other technical work, so it should not be treated as a simple cosmetic upgrade.
Bathtub costs
Keeping an existing bath is cheaper than replacing it. A standard inset bath is usually more economical than a freestanding tub because the latter can bring delivery, floor support and plumbing changes into the job. If you are combining bath and shower functions, the installed cost depends on how much waterproofing and tiling the design requires.
Vanity, countertop and storage costs
A stock vanity can keep the budget controlled, while semi-custom or custom joinery pushes the total higher. Double vanities, stone tops, wall-hung cabinetry, shaving cabinets and linen storage all add cost, especially when the vanity needs to be made to suit a tighter ensuite or a larger family bathroom.
Tile and flooring costs
Tile choice affects both the visible finish and the labour. Ceramic is usually cheaper than porcelain or natural stone, but the bigger cost difference often comes from installation, levelling, waterproofing and pattern complexity. In many jobs, the preparation and labour cost more than the tile itself.
Plumbing and layout changes
Keeping the toilet, shower and vanity where they are usually saves money because the plumbing stays shorter and simpler. Moving the toilet or shower drain can force new waste lines, extra demolition and more floor repair. In slab homes, older homes or bathrooms with hidden damage, those changes can increase the total quickly.
Electrical, lighting and ventilation
New lighting, power points, heated towel rails and exhaust fans are common in Australian bathroom renovations. The final price depends on how much wiring needs to change and how much finish work is needed after the electrical rough-in. Local requirements and licensed-work rules should always be confirmed with the trades doing the job.
Waterproofing costs and requirements
Waterproofing is a critical part of the budget because it protects the structure behind the finishes. The shower area, wet walls and substrate condition all affect the scope. A bathroom that has already suffered moisture damage may need extra prep before the membrane goes in, so waterproofing should never be treated as a cosmetic shortcut.
Hidden and frequently forgotten costs
Older Australian bathrooms can hide rotten flooring, mould, damaged linings or outdated plumbing and wiring. Other easy-to-miss items include deliveries, parking, difficult access, extra tiles, final cleaning, temporary bathroom arrangements and rubbish removal. In older homes, asbestos testing or removal may also be relevant and should be checked before demolition starts.
How Much Contingency Should You Include?
A contingency reserve of 10% to 20% is a practical planning range for many bathroom renovations. A newer bathroom with a simple scope can stay closer to the low end, while older homes, layout changes, concealed water damage or complex joinery often need a bigger buffer.
The reserve should be used for unknown conditions, not for optional upgrades you decide to add later. If the budget is already stretched, it is better to keep the contingency intact than to spend it on premium tapware or extra feature tile before the job starts.
Example Australian Bathroom Renovation Budget
Example planning budget - not a contractor quote. This sample shows a standard bathroom renovation in Australia with no major layout change. It assumes labour, standard materials and fixtures are included in the line items below, with contingency shown separately.
| Budget line | Example amount (AUD) |
|---|---|
| Design and measure-up | AUD 800 |
| Demolition and rubbish removal | AUD 1,800 |
| Plumbing rough-in and fit-off | AUD 6,200 |
| Electrical and ventilation | AUD 1,900 |
| Waterproofing and substrate prep | AUD 2,100 |
| Wall and floor preparation | AUD 2,100 |
| Tiling labour | AUD 5,500 |
| Tiles, adhesive, grout and trims | AUD 4,600 |
| Shower and screen | AUD 4,600 |
| Vanity and countertop | AUD 3,400 |
| Toilet | AUD 800 |
| Tapware and accessories | AUD 1,300 |
| Painting and finishing | AUD 850 |
| Contingency reserve | AUD 4,050 |
| Total | AUD 40,000 |
This is a planning example only. It is designed to show how labour, materials, fixtures and contingency might be split in a standard Australian bathroom. If the bathroom has hidden damage or a layout change, the balance can shift quickly.
How to Reduce Bathroom Renovation Costs
- Keep the existing layout when it still works.
- Avoid moving the toilet, shower drain or vanity unless there is a clear reason.
- Use standard-size fixtures and joinery where possible.
- Choose premium tile selectively instead of covering every surface in it.
- Compare written quotes with the same scope and exclusions.
- Finalise selections before work starts so you are not paying for late changes.
- Order long-lead items early, especially glass and custom joinery.
- Keep the contingency reserve untouched for genuine surprises.
How to Compare Bathroom Renovation Quotes
Two quotes can look similar but hide very different scopes. Make sure each quote covers the same demolition, plumbing, waterproofing, tiling, fit-off and cleanup items before you compare totals. If one quote includes supply and install while another only includes labour, the numbers are not comparable.
- Demolition and rubbish removal
- Site protection and access setup
- Plumbing rough-in and fit-off
- Electrical work and ventilation
- Waterproofing and substrate prep
- Tiling labour and tile supply
- Vanity, bath, shower and toilet supply
- Tapware, mirrors and accessories
- Cleanup, disposal and final fit-off
- Payment schedule, variations and defect correction
Ask what is excluded, who supplies each fixture, how variations are priced, and whether the quote includes the same assumptions about access and finish level. That is the best way to compare a bathroom renovation price without guessing.
How Long Does a Bathroom Renovation Take?
Timelines depend on trade availability, product lead times, the amount of demolition and how many hidden issues turn up. A cosmetic refresh can often be finished in 3 to 7 days, a standard full renovation in 2 to 4 weeks, and a layout-changing project in 4 to 8 weeks or longer.
Custom glass, joinery, tile lead times, waterproofing cure times, inspections and rework all add time. If a bathroom is part of a bigger renovation, the schedule also needs to fit the wider sequence of work.
Frequently Asked Questions
How much does a bathroom renovation cost in Australia?
A cosmetic refresh can start around AUD 8,000 to 18,000, a basic bathroom renovation often falls around AUD 15,000 to 30,000, and a standard full renovation is often around AUD 25,000 to 45,000. Premium or layout-changing projects can move beyond AUD 45,000.
What is the average bathroom renovation cost in Australia?
There is no single average that fits every bathroom, but many standard full renovations land around AUD 25,000 to 45,000 when labour, materials, waterproofing and fixtures are included.
How much does a small bathroom renovation cost?
A small bathroom often falls around AUD 12,000 to 35,000 depending on finish level. The room may be compact, but waterproofing, plumbing, tiling and labour still apply.
How much does an ensuite renovation cost in Australia?
An ensuite often sits around AUD 10,000 to 32,000 for basic to standard work, and more if you choose premium fittings, custom joinery or layout changes.
What is the most expensive part of a bathroom renovation?
Plumbing changes, waterproofing, tiling and hidden water damage usually drive the biggest jumps, especially when the bathroom layout changes.
Is it cheaper to keep the existing bathroom layout?
Usually yes. Keeping the toilet, shower and vanity in the same locations often reduces plumbing work, floor changes and other technical costs.
How much contingency should I include?
A practical planning buffer is usually 10% to 20%. Older homes, concealed moisture or layout changes may justify a larger reserve.
Can the calculator replace a contractor quote?
No. The calculator is useful for early budgeting, but a written contractor quote is still needed for site-specific work, local conditions and final scope.
Conclusion
The renovation cost for a bathroom in Australia becomes easier to control once you split it into scope, labour, fixtures, waterproofing, finishes and contingency. That is the difference between a budget that feels vague and one you can actually compare against written quotes.
If you want a broader planning baseline, our bathroom remodel cost guide explains the same cost drivers in a more general market context. For an Australian bathroom, Re:Build can help you organise the stages, compare scope options, track materials and keep the budget visible before demolition starts.
