Guides
Cost & feasibility guides
Plain-English answers to the questions Australians actually ask before they build — written by Struqt's architects.
Written and verified by Struqt’s registered architects · Last verified June 2026
How much does it cost to build a house?
Volume vs custom builder rates, the factors that move the price, and a city-by-city breakdown.
Read the guide →How much does a granny flat cost?
Typical build cost, how big you can go in each state, and where the money actually goes.
Read the guide →CDC vs DA: what's the difference?
Fast-track complying development vs a merit-assessed DA — timeframes, cost, refusal risk, and what each state calls them.
Read the guide →Do I need council approval for a shed?
Every state's exempt shed threshold, cited to the instrument that sets it — and the traps that catch sheds under the size limit.
Read the guide →Do I need council approval for a carport?
State-by-state carport rules, the two kinds of approval, and why placement matters more than size.
Read the guide →How to run a development feasibility study
The 7-step method — planning controls, yield, the cost stack and residual land value — with a full worked example and a one-page checklist.
Read the guide →Cost to build a house in Adelaide
Local $/m² ranges and the cost drivers specific to Adelaide.
Read the guide →Cost to build a house in Sydney
Local $/m² ranges and the cost drivers specific to Sydney.
Read the guide →Cost to build a house in Melbourne
Local $/m² ranges and the cost drivers specific to Melbourne.
Read the guide →Planning glossary
Plain-English definitions of the planning terms you'll meet on a property report.
Read the guide →Get the exact cost for your block
These are typical ranges. Run any Australian address through Struqt to see what’s actually possible on your specific property — architect-authored, government-data-backed.