Home Builders and Renovation Builders in Adelaide 2026, How to Find a Licensed Adelaide Builder and What Renovations Cost
Adelaide builder and home renovation guide 2026: how much home renovations, extensions, knockdown rebuilds, and new builds cost in Adelaide, and how to find a licensed and insured SA builder.
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Home Builders and Renovation Costs in Adelaide 2026
Adelaide has an established residential building and renovation market. All residential building work in South Australia requires an appropriate building work contractor licence from Consumer and Business Services (CBS). Builders must hold Building Indemnity Insurance (BII) for all residential building contracts over $12,000. Always verify your Adelaide builder's CBS licence before signing any contract.
Home Renovation Costs in Adelaide 2026
Kitchen renovation (mid-range, supply and install), typically $21,000-$46,000 in Adelaide
Bathroom renovation (mid-range, full renovation), typically $15,000-$34,000 in Adelaide
House extension (ground floor, single storey, basic), typically $2,000-$3,500/sqm in Adelaide
Second storey addition (full storey, basic), typically $2,500-$4,500/sqm in Adelaide
Knockdown rebuild (standard 200-300sqm home), typically $300,000-$650,000+ in Adelaide depending on specification
New home construction (200sqm, mid-range specification), typically $260,000-$530,000+ in Adelaide (land not included)
Granny flat / secondary dwelling (60sqm), typically $85,000-$160,000 in Adelaide
What to Know Before Hiring an Adelaide Builder
Adelaide's Heritage Areas (particularly in the CBD, North Adelaide, and inner suburbs) place significant constraints on renovation and extension works, heritage overlay properties require consultation with the State Heritage Council and local council before commencing work. South Australia was an early mover on residential solar and battery, Adelaide builders working on renovations should be familiar with the SA Home Battery Scheme (now concluded) legacy systems and current Retailer Energy Productivity Scheme (REPS) opportunities. Adelaide's dry climate and clay soil in some suburbs requires specific footing engineering, consult a structural engineer for any additions or extensions to Adelaide homes on reactive clay soils. CBS administers building work complaints and disputes for South Australia.
This article was compiled by AI and screened before publishing. See our editorial standards.
Covering community in Adelaide. This article was generated by AI, under human editorial accountability and risk-based review and our reasonable editorial care. Sensitive material is held for human review before publication. See our reasonable editorial care.
Beta: AI-assisted and human-overseen. Details may be imperfect, so please verify anything important.
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