How Long Does It Take to Build a House?
By George Giannakakis · M.Arch · RLA300580 · HIA Industry Judge
Last reviewed: · How we research
How Long Does It Take to Build a House? explained in detail
Build times in Australia vary, but a standard project home often takes around 8-12 months from slab pour to completion. Custom homes may take 12-18 months or longer. Single-storey homes average 5-6 months of construction, while double-storey homes take 7-9 months. Add 2-4 months for approvals before construction begins. Total timeline from signing contracts to moving in is typically 12-18 months.
In this episode we explain how long it can take to go from a signed contract to a site start, and then how long to allow for your build time as well. We explain the reasons for the timeframes and why it is often so difficult to get a final completion date commitment from your builder too.
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Frequently Asked Questions
Common questions about how long does it take to build a house?
In 2024-25, the average build time for a detached house in Australia is approximately 11.5 months from approval to completion. Single-storey homes take 5-6 months of actual construction, double-storey 7-9 months. Add 2-4 months for approvals. Total timeline: 12-18 months from contracts to move-in.
Verify against the binding rules in your state
BuildPilot is an independent Australian building platform, we publish guidance, we don't hold a building licence. Every Australian residential build must comply with the National Construction Code plus state-specific Acts and consumer-protection law. The authorities below are the primary sources of truth for the rules that actually apply to your project.
National
The primary national set of technical building standards that every Australian build must comply with. Volume 2 covers Class 1 & 10 buildings (most homes).
Specific material, product and method standards (e.g. AS 3700 masonry, AS 1684 timber framing) referenced by the NCC.
National peak body for residential builders. Publishes the most widely used home-building contracts and consumer guidance.
National peak body for general builders. Publishes commercial and residential contracts and industry guidance.
By state & territory
Links above open the public website of each authority. BuildPilot is not affiliated with these bodies and does not act on their behalf. Information on this page is general - check the current edition of the NCC and the relevant state Act for binding requirements.
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