How Much Does It Cost to Build a House in Perth, WA (2025)?
Sep, 2025Industry data shows Perth building costs sit between $2,300–$4,750 per m² before siteworks and selections. Residential Attitudes pricing starts from $340,000 for single-storey designs and $490,000 for double-storey designs (build-only), with complete house-and-land packages from $649,999, with 3×2 homes from $491,000, 4×2 homes from $499,000.
The big driver in Perth’s 2025 building market? Land costs jumped 34% in a single year, pushing new block prices to around $329,000. This means your total project costs will be much higher than just the building price alone.
Perth Building Costs Summary (2025)
How much does it cost to build a house in Perth?
- Residential Attitudes 3×2: From $491,000
- Residential Attitudes 4×2: From $499,000
- Residential Attitudes 4×3: From $621,000
- Residential Attitudes 5-bedroom: From $650,000
- Industry range per m²: $2,300-$4,750
- House & land packages: From $649,999
How much does it cost to build a 3 bedroom house in Perth?
- Residential Attitudes 3×2 build: From $491,000
- Complete house & land package: From $649,999
- Industry calculation: 140-180m² × $2,300-$4,750 per m²
How much does it cost to build a 4×2 house in Perth?
- Residential Attitudes 4×2 build: From $499,000
- Complete house & land package: From $649,999-$875,000
- Industry calculation: 180-240m² × $2,400-$4,750 per m²
How much does it cost to build a 2 storey house in Perth?
- Residential Attitudes double-storey: From $490,000-$650,000+
- Complete house & land package: From $875,000
- Industry range: 220-300m² × $2,300-$4,750 per m²
Industry Benchmarks
| Build Type | Per m² Range | Typical Project Range |
|---|---|---|
| Single-storey | $2,300-$4,750 | $460,000-$950,000 |
| Double-storey | $2,300-$4,750 | $506,000-$1,430,000 |
Residential Attitudes Pricing
| Build Type | Build-Only | House-and-Land |
|---|---|---|
| Single-storey | From $340,000 | From $649,999 |
| Double-storey | From $490,000 | From $875,000 |
JWH Group, one of Western Australia’s largest home-building groups, reports these figures reflect current market conditions across Perth’s diverse suburbs and building challenges.
What’s Pushing Perth Building Costs Up in 2025?
New land median prices hit $329,000 in 2024 – a massive 34% jump according to UDIA WA data. That’s the main reason house-and-land packages now start above $649,999.
Western Australia detached homes took 15.9 months from approval to completion in 2023-24. Compare that to the national average of 12.69 months, and you can see why carrying costs and project financing add up quickly.
One bright spot, WA building permits take just 10 business days for certified applications and 25 business days for uncertified applications, faster than most other states.
Detailed Perth Building Costs by Home Type
How Much Does It Cost to Build a 3×2 House in Perth?
Quick Answer: A 3-bedroom house in Perth costs from $491,000 with Residential Attitudes, or from $649,999 for complete house-and-land packages.
Perth’s 3×2 configuration (3 bedrooms, 2 bathrooms) represents excellent value for first-home buyers and young families seeking quality construction from established builders.
3-Bedroom Perth Pricing Breakdown:
Build-Only Options:
- Residential Attitudes 3×2: From $491,000
- Industry range: $322,000-$855,000 (140-180m² × $2,300-$4,750 per m²)
- Average after siteworks and selections: $650,000-$950,000
Complete House & Land Packages:
- Residential Attitudes turnkey: From $649,999
- Total project investment: $680,000-$950,000 including land
- Premium Perth locations: $750,000-$1,100,000+ (beachside/hills suburbs)
How Much Does It Cost to Build a 4×2 House in Perth?
Quick Answer: A 4×2 house in Perth costs from $499,000 with Residential Attitudes, or from $649,999 for complete house-and-land packages.
Perth’s most popular family configuration, 4-bedroom, 2-bathroom homes offer optimal resale value and flexible living arrangements for growing families.
4×2 Perth Pricing Analysis:
Build-Only Investment:
- Residential Attitudes 4×2: From $499,000
- Industry calculation: 180-240m² × $2,400 = $432,000+ average
- With siteworks and selections: $650,000-$1,200,000
Complete Turnkey Solutions:
- Residential Attitudes house & land: From $649,999
- Average total investment: $700,000-$950,000
- Premium Perth suburbs: $800,000-$1,200,000+
How Much Does It Cost to Build a 4×3 House in Perth?
Quick Answer: A 4×3 house in Perth costs from $621,000 with Residential Attitudes, representing premium family living with enhanced bathroom facilities.
The 4×3 configuration (4 bedrooms, 3 bathrooms) offers luxury family convenience while maintaining practical sizing for Perth’s residential blocks.
4×3 Perth Cost Analysis:
- Residential Attitudes 4×3: From $621,000 build-only
- Complete house & land: From $875,000+
How Much Does It Cost to Build a 5 Bedroom House in Perth?
Quick Answer: A 5-bedroom house in Perth costs from $650,000 with Residential Attitudes, ideal for large families or multi-generational living.
Five-bedroom homes represent Perth’s luxury family market, offering maximum space and flexibility for growing or extended families.
5-Bedroom Home Building Perth Pricing:
- Residential Attitudes 5-bedroom: From $650,000 build-only
- Complete house & land: From $875,000+
- Typical size range: 250-350m², depending on layout
- Best suited for: Large families, multi-generational living, home-based businesses
Double-Storey House Building Costs
- Premium Perth suburbs: $800,000-$1,200,000+
- Residential Attitudes house & land: From $649,999
- Average total investment: $700,000-$950,000
- Residential Attitudes: Build-only from $490,000, house-and-land from $875,000.
- Industry calculation: Most double-storey homes range 220-300 m². Current Perth rates indicate: 250m² × $2,500 = $625,000 average before siteworks and selections.
Perth vs National Building Costs (2025)
| Factor | Perth, WA | National Average |
|---|---|---|
| Cost per m² | $2,300-$4,750 | $2,000-$5,000 |
| Average build time | 15.9 months | 12.7 months |
| New land median | $329,000 (+34%) | Varies by city |
| Permit processing | 10-25 business days | Varies by state |
Perth building costs sit comfortably within national ranges, but extended build times and rapidly rising land costs mean higher total project expenses than other Australian capitals.
Perth Building Cost Calculator
- Work out your floor area (m²)
- Multiply by $2,300-$4,750 per m²
- Add 15-25% for siteworks and services
- Add 10-30% for selections and upgrades
- Compare with fixed-price options: $340k-$490k+ build-only
Example Calculation:
200m² family home × $2,500/m² = $500,000
Plus siteworks (20%) = $100,000
Plus selections (15%) = $90,000
Total estimated cost: $690,000
What Pushes Your Perth Build Price Up or Down
- Site conditions: Retaining walls, drainage, service connections
- Design complexity: Cantilevers, voids, irregular shapes, large spans
- Specification level: Kitchen quality, bathroom finishes, flooring, external cladding
- Energy efficiency: Insulation upgrades, double glazing, solar systems
- External works: Landscaping, driveways, fencing, outdoor entertaining
Each of these elements can easily add 20-40% to base building costs which explains why the per-square-metre range is so wide.
Frequently Asked Questions
Q: How much does it cost to build a house in Perth in 2025?
A: Industry data shows Perth building costs range $2,300-$4,750 per m² depending on specification and complexity. For specific pricing, Residential Attitudes build-only costs start from $340,000 (single-storey) and $490,000 (double-storey), with complete house-and-land packages from $649,999.
Q: How long does it take to build a house in Perth?
A: Western Australia’s average detached home construction time is 15.9 months from approval to completion. Building permits take 10-25 business days depending on certification level.
Q: Why are Perth building costs rising?
A: Land price increases of 34% annually have pushed new block medians to $329,000, directly impacting total project costs. Extended construction timeframes and material costs also push up overall expenses.
Q: What’s included in build-only pricing?
A: Build-only pricing covers house construction from slab to completion, but excludes land, siteworks, driveways, landscaping, and selections beyond standard specifications. Residential Attitudes’ build-only pricing starts from $340,000 for singles and $490,000 for doubles.
Q: How do Perth building costs compare nationally?
A: Perth’s $2,300-$4,750 per m² range sits within national averages, but extended build times (15.9 months vs 12.7 months nationally) and rising land costs mean higher total project expenses.
Market Context: Why Choose Established Builders
As one of Western Australia’s largest home-building groups, Residential Attitudes brings proven supply chains, Perth-tested designs, and fixed-price certainty to a volatile market.
Current Pricing Reflects Market Reality:
- 3×2 homes: From $491,000 (build-only)
- 4×2 homes: From $499,000 (build-only)
- 4×3 homes: From $621,000 (build-only)
- 5-bedroom homes: From $650,000 (build-only)
- House-and-land packages: From $649,999
Fixed-price building contracts deliver cost certainty against ongoing material and labour inflation hitting Perth’s construction sector throughout 2025.
Perth Building Investment Summary
Perth house building costs in 2025 range $2,300-$4,750 per m² for construction, with total project costs driven by land prices that jumped 34% in 2024. Residential Attitudes offers transparent pricing from $491,000 for 3×2 homes to $650,000 for 5-bedroom designs, while complete house-and-land solutions begin at $649,999.
