Home Renovation Costs in Sydney: The Complete 2026 Price Breakdown

Renovating a home in Sydney is one of the biggest financial decisions an Australian family can make — and one of the most unpredictable. In 2026, Sydney renovation costs range from $25,000 for a basic bathroom refresh to over $500,000 for a full structural renovation with extension. The difference comes down to scope, finishes, site conditions, and which part of Sydney you're in.

According to the Housing Industry Association (HIA), the average Australian renovation spend in 2025 was $76,000. But Sydney skews significantly higher — the average full-house renovation in Greater Sydney sits between $120,000 and $250,000, driven by higher labour rates, stricter council requirements, and the complexity of renovating older housing stock.

This guide breaks down real costs across every major renovation type — kitchen, bathroom, full house, structural, extensions, and cosmetic upgrades — with specific pricing data for Western Sydney's five key LGAs: Fairfield, Liverpool, Cumberland, Canterbury-Bankstown, and Blacktown.

Kitchen Renovation Costs Sydney (2026)

The kitchen is consistently the highest-value renovation — both in cost and return on investment. The National Kitchen & Bathroom Association (NKBA) reports that a well-executed kitchen renovation returns 70–100% of its cost at resale.

**Budget kitchen renovation ($15,000–$30,000):** • Resurface or paint existing cabinetry • Replace benchtops with laminate ($1,200–$3,000) • New handles and fixtures ($200–$800) • Replace splashback with subway tiles ($1,500–$3,000) • New appliance package — oven, cooktop, rangehood ($2,000–$5,000) • Repaint walls and ceiling ($800–$1,500) • Timeline: 2–4 weeks

**Mid-range kitchen renovation ($30,000–$60,000):** • New cabinetry — polyurethane or 2-pac ($8,000–$18,000) • Stone benchtops — Caesarstone or Essastone ($3,500–$8,000) • Tile or glass splashback ($2,000–$5,000) • Quality appliance package — Fisher & Paykel or Bosch ($5,000–$12,000) • New sink and tapware — Oliveri or Blanco ($800–$2,500) • LED lighting and pendant lights ($1,000–$3,000) • New flooring — timber-look tiles or hybrid ($2,000–$5,000) • Plumbing and electrical upgrades ($3,000–$8,000) • Timeline: 4–8 weeks

**Premium kitchen renovation ($60,000–$120,000+):** • Custom cabinetry with butler's pantry ($20,000–$45,000) • Natural stone benchtops — marble or granite ($6,000–$15,000) • Premium appliances — Miele, Gaggenau, or Wolf ($15,000–$35,000) • Feature lighting design ($3,000–$8,000) • Integrated smart home features ($2,000–$5,000) • Full structural changes — removing walls, relocating plumbing ($10,000–$25,000) • Timeline: 8–14 weeks

**Western Sydney-specific notes:** • Fairfield and Cumberland LGAs have many 1960s–1980s homes with asbestos in kitchen wall linings — testing costs $250–$500, removal adds $3,000–$10,000 • Liverpool and Blacktown LGAs have newer housing stock (post-2000) where kitchen renovations are primarily cosmetic • Canterbury-Bankstown has mixed stock — pre-war cottages in Canterbury vs 1970s brick in Bankstown

Bathroom Renovation Costs Sydney (2026)

Bathroom renovations are the second most common renovation type in Sydney. The Australian average sits at $25,000–$35,000 for a main bathroom, but Sydney prices run 15–25% above the national average.

**Basic bathroom renovation ($10,000–$20,000):** • Reglaze existing bathtub ($400–$800) • Replace tapware and accessories ($500–$2,000) • New toilet suite ($400–$1,200) • Retile shower recess only ($2,000–$4,000) • Replace vanity — flat-pack or semi-custom ($800–$2,500) • New mirror and lighting ($300–$1,000) • Fresh waterproofing in wet areas ($1,500–$3,000) • Timeline: 1–3 weeks

**Mid-range bathroom renovation ($20,000–$40,000):** • Full demolition and strip-out ($2,000–$4,000) • Complete waterproofing ($3,000–$5,000) • Floor-to-ceiling tiling — porcelain ($4,000–$8,000) • New bath — freestanding acrylic ($1,200–$3,500) • Frameless shower screen ($1,200–$2,500) • Semi-custom vanity with stone top ($2,000–$5,000) • Heated towel rail ($500–$1,200) • Complete plumbing relocation ($2,000–$5,000) • New electrical — exhaust fan, lighting, towel rail ($1,500–$3,500) • Timeline: 3–6 weeks

**Premium bathroom renovation ($40,000–$80,000+):** • Large-format feature tiles — marble-look or natural stone ($6,000–$15,000) • Freestanding stone composite bath ($3,000–$8,000) • Custom floating vanity with integrated basins ($4,000–$10,000) • Underfloor heating ($1,500–$3,500) • Smart toilet — Toto or Roca ($3,000–$8,000) • Niche shelving and built-in storage ($1,000–$3,000) • Full structural changes — relocating waste lines ($3,000–$8,000) • Timeline: 6–10 weeks

**Common cost surprises in bathroom renovations:** • Asbestos in wall/floor sheeting — adds $2,000–$6,000 in Western Sydney homes built before 1990 • Rotten floor joists (common in older Canterbury-Bankstown and Cumberland homes) — adds $2,000–$5,000 • Non-compliant waterproofing requiring full redo — adds $3,000–$5,000 • Lead paint discovery — testing $150, abatement $1,000–$3,000

Full House Renovation, Extensions & Structural Work Costs

Full house renovations and extensions are where costs escalate significantly — but also where the greatest value uplift occurs.

**Full interior renovation ($100,000–$250,000):** • Kitchen + 2 bathrooms ($60,000–$140,000) • New flooring throughout — engineered timber or tiles ($15,000–$35,000) • Paint entire interior ($5,000–$15,000) • New lighting throughout ($3,000–$10,000) • Electrical rewire (essential in pre-1980 homes) ($8,000–$20,000) • New joinery — wardrobes, linen cupboards ($5,000–$15,000) • HVAC — ducted air conditioning ($8,000–$18,000)

**Ground-floor extension ($150,000–$350,000):** • Per-sqm cost: $2,200–$3,800/sqm (depending on site and finish) • Typical scope: 30–80sqm additional living space • DA or CDC approval: $5,000–$15,000 • Site preparation and excavation: $5,000–$20,000 • Structural engineer and architect: $8,000–$25,000 • Section 7.11 levies: $5,000–$20,000

**Second-storey addition ($250,000–$500,000+):** • Per-sqm cost: $2,800–$4,500/sqm • Structural assessment of existing structure: $2,000–$5,000 • Typical scope: 60–120sqm • Temporary accommodation during construction: $10,000–$30,000 • Major structural work — steel beams, new staircase, foundation upgrades: $20,000–$60,000

**Open-plan renovation — removing walls ($15,000–$50,000):** • Structural engineer assessment: $1,500–$3,000 • Load-bearing wall removal with steel beam: $5,000–$15,000 • New support columns if required: $3,000–$8,000 • Making good — patching, plastering, flooring: $5,000–$15,000 • Electrical and plumbing relocation: $3,000–$10,000

**Western Sydney renovation cost variations:** • Fairfield LGA: Older fibro and brick stock means higher demolition and asbestos costs. Average full reno sits 5–10% above Sydney metro average. Flood-affected areas (Cabramatta Creek, Prospect Creek) require flood-rated materials adding $10,000–$30,000 • Liverpool LGA: Mix of old and new. Moorebank and Holsworthy — PFAS-affected areas may require soil remediation adding $5,000–$20,000. Newer suburbs like Edmondson Park and Austral have homes less than 10 years old needing only cosmetic upgrades • Cumberland LGA: Heritage overlays in Granville and Auburn require heritage-consistent materials — timber windows, rendered brick — adding 10–20% to renovation costs • Canterbury-Bankstown LGA: Pre-war federation and California bungalows in Canterbury require specialist heritage renovation skills. Bankstown has 1960s–1980s brick stock ideal for full renovation • Blacktown LGA: Newer western suburbs (Marsden Park, Schofields) rarely need major renovation. Older eastern suburbs (Seven Hills, Blacktown, Toongabbie) have good renovation potential

How to Budget Your Sydney Renovation: Tips, Traps & Next Steps

Successful renovation budgeting requires understanding the hidden costs that catch most Sydney homeowners off guard.

**The 20% contingency rule:** Every renovation budget should include a 20% contingency for unexpected costs. On a $100,000 renovation, that's $20,000 held in reserve. In Western Sydney's older housing stock, this contingency is frequently used — asbestos, termite damage, non-compliant electrical, and inadequate waterproofing are the four most common surprises.

**Council costs often overlooked:** • Development Application (DA): $3,000–$12,000 depending on council and project scope • Complying Development Certificate (CDC): $2,000–$5,000 — faster but not available for heritage areas • Section 7.11 contributions: $5,000–$25,000 — charged on extensions and additional dwellings • Occupation Certificate: $500–$1,500 • Long Service Levy (0.25% of construction cost over $25,000): variable

**Renovation vs knockdown rebuild — when each makes sense:** • Renovate if: The existing structure is sound, you want to preserve character, you're spending less than 50% of land value, or heritage constraints prevent demolition • Knock down and rebuild if: The renovation cost exceeds 60% of a new build, the existing structure has major defects (termites, subsidence, asbestos throughout), or you want a completely different layout and modern energy performance

**Return on investment by renovation type:** • Kitchen renovation: 70–100% cost recovery (highest ROI) • Bathroom renovation: 60–80% cost recovery • Adding a bedroom: 60–75% cost recovery • Second-storey addition: 50–70% cost recovery (higher in land-constrained areas) • Pool installation: 30–50% cost recovery • Landscaping: 100–200% cost recovery (lowest cost, highest percentage return)

**Financing your renovation:** • Redraw on existing mortgage: Lowest interest rate, simplest option • Construction loan: Required for major structural work, staged drawdowns • Home equity loan: Fixed rate option for defined scope • Personal loan: Suitable for smaller cosmetic renovations under $30,000

Buildana specialises in home renovations across Western Sydney — from kitchen and bathroom upgrades to full structural renovation and second-storey additions. We provide fixed-price contracts with transparent pricing. No hidden costs, no surprise variations. Call 0476 300 300 for a free renovation consultation and detailed cost estimate for your specific project.

Buildana builds across Sydney. Visit /homes/custom-homes to learn more or /construction/internal-fit-out to discuss your project.