Building in Fremantle: Knockdown Rebuild, Granny Flat & Duplex Guide
City of Fremantle (WA) · Indicative rules and costs for homeowners · 中文报告同样支持
Min lot (KDR)
260㎡
Max height
10m
Setbacks (front/side)
3m / 0.9m
DA timeline
16–36 wks
Fast-track CDC
Usually DA only
Build cost
$2500–$4000/㎡
📊 Indicative ranges from council planning controls and recent market data — not quotes, and individual blocks vary.
Strong heritage controls in inner Fremantle. Character area requirements in many streets.
What can YOUR block in Fremantle fit?
Enter your street address and our AI checks the official cadastre (your measured lot size), zoning, heritage and flood overlays — then gives you costs, approval pathway and next steps. Free, 2 minutes, no signup. 支持中文。
Get my free feasibility report →Frequently asked questions — Fremantle
Can I knock down and rebuild in Fremantle?
Generally yes — City of Fremantle requires a minimum lot of around 260㎡ for a standard knockdown rebuild, with a maximum building height of 10m. Most projects need a full DA (development application).
How long does council approval take in Fremantle?
A DA through City of Fremantle typically takes 16–36 weeks in practice.
How much does it cost to build in Fremantle?
Typical build costs around Fremantle run $2,500–$4,000 per square metre of floor area, plus demolition of roughly $15,000–$26,000. These are indicative ranges, not quotes.
Can I build a granny flat in Fremantle?
Most WA councils allow secondary dwellings subject to lot size and overlay rules — check City of Fremantle's planning scheme or run a free feasibility report.
What are the main risks for building projects in Fremantle?
For the City of Fremantle area: heritage risk is high, flood risk is low, bushfire risk is low. Strong heritage controls in inner Fremantle. Character area requirements in many streets.
Nearby areas under City of Fremantle
This page provides general guidance for the City of Fremantle 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.