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Sydney Builders 2026: Extension Costs, Licensed Requirements, Finding Qualified Contractors

Sydney builder guide 2026: how much home extensions, granny flats, and full renovations cost in Sydney, what to look for in a licensed builder, NSW Fair Trading licence requirements, and how to get accurate quotes for your Sydney renovation project.

By Sydney Daily · Published 25 July 2026

How we reported this

This article was written by AI from the linked sources and was not reviewed by a journalist before publishing. The Daily Sydney is part of The Daily Network and follows our reasonable editorial care.

Builders in Sydney 2026

Sydney has one of Australia's largest residential building industries. All residential building work over $5,000 in NSW must be performed by a NSW Fair Trading licensed builder. Sydney's housing market pressure drives strong demand for home extensions, second-storey additions, granny flats, and full renovations as homeowners choose to improve rather than buy in an expensive market. fairtrading.nsw.gov.au

How Much Does a Home Extension Cost in Sydney 2026?

Single-storey rear extension (30sqm, basic), typically $78,000-$138,000 in Sydney
Single-storey rear extension (30sqm, mid-range), typically $132,000-$198,000 in Sydney
Second-storey addition (full floor, approx 100sqm), typically $265,000-$425,000 in Sydney
Granny flat (60sqm, complying development), typically $145,000-$225,000 in Sydney
Kitchen renovation (mid-range), typically $28,000-$68,000 in Sydney
Bathroom renovation (mid-range), typically $18,000-$42,000 in Sydney
Full home renovation (3-bed home, mid-range), typically $185,000-$385,000 in Sydney

Sydney Granny Flat Rules 2026

NSW's Affordable Rental Housing SEPP allows complying development granny flats on lots 450sqm and above in Sydney, subject to setback requirements. A granny flat can generate $450-$750/week rental income in Sydney, making it a strong investment. NSW Fair Trading builder licence required. planningportal.nsw.gov.au

References Sourced but Not Limited to:

sydneyhomerenovation.com.au

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