Home renovations in Australia have a well-earned reputation for costing more and taking longer than expected. Yet for most homeowners, renovating is still a better financial decision than moving - avoiding stamp duty, agent fees, and the disruption of changing neighbourhoods. With the right planning, a renovation budget can be both realistic and achievable. This guide covers what renovations actually cost in Australia, how to build a robust budget, how to finance the work, and where most budgets fall apart.
Realistic Renovation Costs by Room (2026 Estimates)
All prices are approximate and vary significantly by location, materials, complexity, and contractor. Sydney and Melbourne typically run 15 to 25% higher than the national average:
- Kitchen renovation: Basic refresh (new appliances, benchtop, splashback) $15,000 to $25,000. Mid-range full renovation (new layout, quality fixtures, semi-custom joinery) $30,000 to $60,000. High-end (custom cabinetry, stone benchtops, premium appliances, structural changes) $60,000 to $120,000+.
- Bathroom renovation: Basic (retile, new vanity, toilet, shower screen) $12,000 to $20,000. Mid-range full renovation (new layout, quality fixtures, heated floor) $20,000 to $40,000. High-end (freestanding bath, premium tiles, custom vanity) $40,000 to $80,000+.
- Bedroom: Cosmetic update (paint, flooring, built-in wardrobe) $5,000 to $15,000. Full fitout with ensuite addition $25,000 to $60,000.
- Living and dining room: Cosmetic refresh (paint, floors, lighting) $5,000 to $15,000. Opening walls, adding French doors, or extending footprint $20,000 to $60,000+.
- Extension or additional room: A single-storey 20 sqm extension in a major city typically costs $3,000 to $5,000 per sqm - $60,000 to $100,000 for a basic addition, significantly more for complex builds or double-storey.
- Full house renovation: A complete internal renovation of a 3-bedroom home (kitchen, bathrooms, flooring, painting, lighting) $150,000 to $350,000 depending on specification and location.
How to Build a Robust Renovation Budget
The difference between a successful renovation and a stressful financial experience is almost always in the planning:
- Get multiple quotes: Obtain at least 3 quotes for any significant work from licensed tradespeople. Quotes can vary by 30 to 50% for identical scope - but the cheapest quote is not always the right choice. Check that each quote covers the same scope of work and materials specification before comparing.
- Add a 15 to 20% contingency: Unexpected costs are the norm in renovation - not the exception. Hidden water damage, asbestos discovered in walls, structural issues, council requirements, and scope changes all add cost. Budget a mandatory contingency of 15 to 20% of total project cost. If you do not use it, you can choose to upgrade finishes or bank the saving.
- Separate fixed and variable costs: Some costs are fixed (structural engineer, council approval fees, demolition); others vary by specification (tiles, fixtures, cabinetry). Knowing which costs are locked in and which are in your control helps you manage to budget.
- Stage the renovation if needed: A kitchen and bathroom renovation can often be done sequentially rather than simultaneously - allowing you to save for the next stage rather than borrowing for everything at once. Staging also limits disruption.
- Council approvals and planning: Development Applications (DAs) or Complying Development Certificates (CDCs) are required for structural changes, extensions, or work affecting the building envelope in most councils. Fees vary - $1,500 to $5,000 for a typical DA. Factor in approval timeframes (8 to 16 weeks for a DA) into your project timeline.
- Project management: If you are managing multiple trades yourself, budget significant time for coordination. A builder or project manager typically charges 10 to 20% of project cost but manages scheduling, sub-contractors, and quality control.
How to Finance a Renovation in Australia
The right financing depends on the renovation cost, your equity, and your financial position:
- Cash savings: The cheapest option - no interest, no fees, no debt. Ideal for smaller renovations ($20,000 to $50,000). Building a dedicated renovation savings account before starting avoids drawing down on emergency funds.
- Redraw from home loan: If you have made extra repayments into your mortgage, redrawing these funds to finance a renovation is cost-effective - the interest rate is your mortgage rate (typically 5.5 to 7% in 2026), lower than personal loans or credit cards. Confirm redraw fees and access terms with your lender.
- Mortgage refinance or top-up: Increasing your mortgage limit (subject to lender approval and LVR caps) provides renovation funds at mortgage rates. Requires sufficient equity - most lenders will not lend above 80% LVR without LMI. Suitable for larger renovations ($50,000+) where the work is expected to add value to the property.
- Construction loan: For major renovations or extensions, a construction loan (progressive drawdown as work is completed) is available from most lenders. Interest is charged only on funds drawn, reducing initial cost. The lender may require council-approved plans and a fixed-price building contract.
- Personal loan: Higher interest rate than a mortgage (typically 7 to 15%) but no security required and faster approval. Appropriate for smaller renovations if you do not have usable home equity or redraw available.
- Avoid: Using credit cards for large renovation costs at 20%+ interest unless you can repay within the interest-free period. BNPL for trade materials can seem convenient but creates multiple repayment obligations that are harder to track.
Common Renovation Budget Blowouts and How to Avoid Them
The most common causes of renovation blowouts in Australia are: scope creep (adding extra work mid-project - 'while we're at it'), underestimating trade costs (especially in the post-pandemic environment where labour costs are elevated), inadequate contingency, and starting without fully finalised plans and specifications. Changes after work has begun are the most expensive way to renovate - a change to kitchen layout after joinery has been ordered can cost $5,000 to $10,000 in wasted materials and rework.
Choose licensed tradespeople: In Australia, licensed contractors are required for electrical, plumbing, gas, and structural work. Check licence status through your state's building authority (Service NSW, VBA in Victoria, QBCC in Queensland). Unlicensed work creates insurance, safety, and resale complications that cost more to fix than the initial saving.
Roopon: More Budget for the Renovation That Matters
A home renovation draws heavily on household savings. Roopon membership helps reduce everyday spending through partner discounts across groceries, dining, fuel, and more - freeing up more of your income to direct toward renovation savings or keeping contingency reserves intact. Members also enter the weekly cash prizes (per campaign terms) giveaway, which could contribute to renovation costs. At $4.99/week, Roopon is built to return more than it costs. ABN: 89 656 278 830 | 88 Anzac Parade, Kensington NSW 2033
Frequently asked questions
How much does a kitchen renovation cost in Australia in 2026?
How can I finance a home renovation in Australia?
Do I need council approval for a renovation in Australia?
How do I avoid renovation budget blowouts in Australia?
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