Building in Willagee: Knockdown Rebuild, Granny Flat & Duplex Guide
City of Melville (WA) · Indicative rules and costs for homeowners · 中文报告同样支持
Min lot (KDR)
350㎡
Max height
9m
Setbacks (front/side)
4m / 1m
DA timeline
12–22 wks
Fast-track CDC
Usually DA only
Build cost
$2100–$3200/㎡
📊 Indicative ranges from council planning controls and recent market data — not quotes, and individual blocks vary.
Applecross/Mt Pleasant. Popular KDR area. Swan River lots attract premium pricing.
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Get my free feasibility report →Frequently asked questions — Willagee
Can I knock down and rebuild in Willagee?
Generally yes — City of Melville requires a minimum lot of around 350㎡ for a standard knockdown rebuild, with a maximum building height of 9m. Most projects need a full DA (development application).
How long does council approval take in Willagee?
A DA through City of Melville typically takes 12–22 weeks in practice.
How much does it cost to build in Willagee?
Typical build costs around Willagee run $2,100–$3,200 per square metre of floor area, plus demolition of roughly $13,000–$22,000. These are indicative ranges, not quotes.
Can I build a granny flat in Willagee?
Most WA councils allow secondary dwellings subject to lot size and overlay rules — check City of Melville's planning scheme or run a free feasibility report.
What are the main risks for building projects in Willagee?
For the City of Melville area: heritage risk is low, flood risk is low, bushfire risk is low. Applecross/Mt Pleasant. Popular KDR area. Swan River lots attract premium pricing.
Nearby areas under City of Melville
This page provides general guidance for the City of Melville area and is not advice about any specific property. Planning controls change — always confirm with council or run a block-specific feasibility report. © 2026 AusBuildCircle 澳洲建房圈.