Builders on the Central Coast 2026, Home Extensions, Renovations, Cost Guide, and How to Find a Licensed Builder Near You

Builders on the Central Coast 2026

The Central Coast has an active residential building industry. All residential building work over $5,000 in NSW must be performed by a NSW Fair Trading licensed builder. Central Coast homeowners are increasingly choosing to extend and renovate rather than sell as Sydney price pressure extends up the coast, granny flat construction and rear extensions are in high demand. fairtrading.nsw.gov.au

How Much Does a Home Extension Cost on the Central Coast 2026?

• Single-storey rear extension (30sqm, basic), typically $66,000-$118,000 on the Central Coast
• Single-storey rear extension (30sqm, mid-range), typically $112,000-$172,000 on the Central Coast
• Second-storey addition (full floor, approx 100sqm), typically $232,000-$372,000 on the Central Coast
• Granny flat (60sqm, complying development), typically $128,000-$202,000 on the Central Coast
• Kitchen renovation (mid-range), typically $22,000-$54,000 on the Central Coast
• Bathroom renovation (mid-range), typically $14,500-$34,500 on the Central Coast
• Full home renovation (3-bed home, mid-range), typically $158,000-$330,000 on the Central Coast

Central Coast Granny Flats and Dual-Income Properties

The Central Coast qualifies for NSW complying development granny flats on lots 450sqm and above. Central Coast granny flat rentals typically return $320-$480/week, making them strong investment additions. Gosford and Wyong council areas have been merged into Central Coast Council, check current planning requirements via the Central Coast Council planning portal. NSW Fair Trading builder licence required. fairtrading.nsw.gov.au

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