Knockdown rebuild cost estimator
Estimate the combined cost of demolishing an existing house and building a new one on the same block in Perth.
Combines a typical demolition and site clearing cost with the new build cost per square metre.
Compare actual quotes for this projectLocal price context: based on 275 price points from reviews and provider websites across this directory. Recorded prices span jobs of very different sizes, so compare quotes for your exact project.
This is a rough estimate only; actual demolition and build costs depend on site access, services and council requirements confirmed by a builder.
Enquiries submitted through our forms may be shared with partner providers, and we may receive a referral fee. Our rankings and scores are based only on our published method and are never affected by referral fees.
Get quotes from top-rated custom home builders
Ranked by our published rubric from recent Google reviews, weighted by relevance to this service (the same order as the category page).
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