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Builders in Brisbane 2026, Home Extensions, Renovations, Queenslander Restores, Cost Guide, and How to Find a Licensed Builder Near You
Brisbane builder guide 2026: how much home extensions, Queenslander renovations, and undercroft conversions cost in Brisbane, QBCC licence requirements, flood-affected property rules, and how to get accurate quotes for your Brisbane renovation project.
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Builders in Brisbane 2026
Brisbane has a large and growing residential building industry. All building work in Queensland must be performed by a QBCC-licensed builder. Brisbane's large stock of Queenslander homes creates unique renovation demand, Queenslander restorations, undercroft (under-house) conversions, and raising-and-renovating projects are common across Brisbane's inner and middle ring suburbs. qbcc.qld.gov.au
How Much Does a Home Extension Cost in Brisbane 2026?
- Single-storey rear extension (30sqm, basic), typically $68,000-$122,000 in Brisbane
- Single-storey rear extension (30sqm, mid-range), typically $116,000-$178,000 in Brisbane
- Second-storey addition (full floor, approx 100sqm), typically $238,000-$382,000 in Brisbane
- Queenslander undercroft conversion (60sqm), typically $128,000-$215,000 in Brisbane
- Kitchen renovation (mid-range), typically $23,000-$58,000 in Brisbane
- Bathroom renovation (mid-range), typically $15,000-$36,000 in Brisbane
- Full Queenslander renovation (3-bed, mid-range), typically $165,000-$345,000 in Brisbane
Brisbane Queenslander Renovations 2026
Brisbane's iconic Queenslander homes require specialist builders familiar with timber framing, traditional stumping materials (steel, concrete or hardwood), VJ board walls, and wide verandah additions. Post-2022 flood area properties in Brisbane may require council-specific height-of-floor requirements and flood-resilient construction. QBCC licence required. qbcc.qld.gov.au
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