How Much Does It Cost To Build A House In Perth In 2026?
Build costs in Perth typically run from around $356,000 for a single-storey home to $582,000+ for a double-storey, depending on size, block and inclusions. This independent guide breaks down where the money goes — and how to keep it under control.
Figures are indicative market ranges gathered from Perth builders in 2026, not a quote. Your real cost depends on your block, plan and selections.
Perth build cost at a glance
| Home type | Indicative build cost |
|---|---|
| Single-storey (standard inclusions) | from ~$356,000 |
| Double-storey | ~$450,000 – $582,000+ |
| Per square metre (build only) | ~$2,300 – $4,750 / m² |
What’s included in the price — and what isn’t
- Land — separate from the build; varies hugely by suburb.
- Base build — the builder’s contract price for the home.
- Siteworks — earthworks, drainage, retaining; bigger on sloping or reactive blocks.
- Selections / upgrades — finishes above standard inclusions.
- Council & service connections — approvals, water, power, sewer.
What changes the price most
- Single vs double storey.
- Block slope and soil class (A-class is cheapest to build on).
- Standard inclusions vs custom selections.
- Home size (m²) and design complexity.
- How fast you build — see fast home builders Perth; streamlined methods can lower cost.
Build cost by Perth corridor
Land cost — not build cost — is what mostly varies by suburb. As we publish suburb guides we’ll link them here so you can compare corridors.
Keep your build cost under control
The simplest levers: choose a proven plan over a full custom design, build on a flat A-class block, and compare builders before you commit. Home Opens helps you do the last one for free.
Cost to build in Perth — FAQs
Is it cheaper to build or buy in Perth in 2026?
It depends on land price and how much you customise. A standard build on affordable land can compete with buying established; heavy customisation rarely does.
Does building faster cost more?
Not necessarily — streamlined and prefab methods can reduce cost. Custom changes are what push both time and price up.