Builder Costs in Christchurch — How Much in 2026?

Job Type	Typical Cost (NZD incl. GST)	Unit
Deck (timber)	$3,000 – $15,000	depends on size
Pergola	$3,000 – $10,000	depends on size
Fence (timber)	$80 – $200	per metre
Retaining wall	$200 – $600	per m²
Kitchen renovation	$20,000 – $60,000	full reno
Bathroom renovation	$15,000 – $40,000	full reno
Sleepout / granny flat	$50,000 – $150,000	depends on size
House extension	$2,500 – $4,500	per m²
Window replacement	$500 – $1,500	per window

Indicative prices only. These ranges are based on typical NZ market rates in Christchurch and may vary depending on job complexity, access, materials, and your specific requirements. The best way to get an accurate price is to get quotes from local tradies.

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Builder costs in other cities

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