Builder Costs in New Plymouth — How Much in 2026?

Job Type	Typical Cost (NZD incl. GST)	Unit
Deck (timber)	$2,800 – $14,100	depends on size
Pergola	$2,800 – $9,400	depends on size
Fence (timber)	$75 – $190	per metre
Retaining wall	$190 – $560	per m²
Kitchen renovation	$18,800 – $56,400	full reno
Bathroom renovation	$14,100 – $37,600	full reno
Sleepout / granny flat	$47,000 – $141,000	depends on size
House extension	$2,350 – $4,250	per m²
Window replacement	$470 – $1,400	per window

Indicative prices only. These ranges are based on typical NZ market rates in New Plymouth 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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