TrustaLocal
Auckland/Builder/Renovation
Stream · The biggest spend most owners ever make

Every Auckland renovation quote is a list of what is not included.

Renovations are quoted after scoping, because nobody knows what is inside a villa wall until it is opened. Auckland is unusually well served with published cost guides: four local builders publish per-m² bands, per-project figures and full villa restoration ranges, so you can walk into any quote conversation with the numbers already in hand. Auckland runs 10–20% above national renovation costs, and the guides say so.

$2,000–$4,500/m² standard $3,500–$8,000/m² extensions $250k–$500k+ full villa

Is this your stream?

Yes, when the house stays but the layout changes.

Extensions, second storeys, reconfigurations, villa do-ups and full-home modernisation. Multi-room, multi-trade, consent-likely work quoted as a project after scoping.

Pause, when it is really one wet room.

A single kitchen or bathroom is the kitchen and bathroom stream, where specialist companies often beat general builders on price and speed. And a repair that started this conversation belongs in repairs and maintenance until proven otherwise.

What it costs in Auckland

$2,000–$4,500/m²

The standard renovation band

Superior Renovations' 2026 Auckland guide puts standard renovations at $2,000–$4,500/m², high-end past $5,500/m², and full home renovations at $80,000–$160,000, on Auckland labour of $90–$150/hour.

$3,500–$8,000/m²

The extension band

Add Value Renovations prices basic extensions at $3,200–$4,800/m², mid-range family extensions at $4,500–$6,800/m², and extensions with kitchens or bathrooms at $5,500–$8,000/m². A 30m² ground floor extension lands at $135,000–$204,000.

$250k–$500k+

The full villa restoration

Manor Projects puts complete villa renovations at $250,000–$500,000+, covering structural work, foundations, roofing, insulation and heritage-compliant restoration. Villa scope is a different sport.

Auckland providers, compared

Six renovation builders with published numbers or proven Auckland track records, grouped by what they are best at. Hover a row for the detail that matters.

Add Value Renovations Via website
$3,500–$8,000/m² extensionsPublished cost guides
Auckland renovation builder founded by Simon Liu (Registered Master Builder, LBP, 500+ Auckland renovations). Publishes detailed 2026 cost guides: extensions at $3,500–$8,000/m² (a 30m² ground floor extension at $135,000–$204,000), second storey additions from $200,000–$400,000+, and full renovation budget guides. Best for pricing transparency before the first site visit.
Superior Renovations Via website
$2,000–$4,500/m² standardPublished Auckland guide
Auckland renovation company publishing a full 2026 Auckland renovation guide: standard work at $2,000–$4,500/m², high-end past $5,500/m², full home renovations at $80,000–$160,000, with Auckland running 10–20% above national averages on $90–$150/hour labour. Best for a design-and-build firm with the price bands published upfront.
Refresh Renovations Via website
Quote-basedProject-managed
National renovation franchise with Auckland teams, running a project-managed model where one consultant owns the design, consent and build. Publishes case studies with real costs. Best for homeowners who want a single point of accountability across a messy multi-trade project.
★ 4(95) What people say Google
Excellent communication throughoutClear expectation settingFixed-price no surprisesAttention to detail
Manor Projects Via website
$250k–$500k+ full villaPublished villa guide
Auckland villa renovation specialists publishing a villa cost guide: minor cosmetic updates at $20,000–$60,000, mid-range kitchen-or-bathroom-scale work at $80,000–$200,000, and full villa restorations at $250,000–$500,000+, including the structural and heritage compliance work villas demand. Best for character homes where villa experience is the whole game.
Build Unlimited Via website
$3,000–$5,000/m² extensionsPublished cost guide
Auckland builders publishing a 2026 extension cost guide: a well-built single-storey extension at quality specification typically $3,000–$5,000/m², with complexity pushing higher. Best for a straight extension quote benchmarked against a published local guide.
$126k–$198k for 36m²Published calculator
Auckland renovation company publishing an extension cost calculator: a 36m² ground floor extension typically $126,000–$198,000 depending on specification. Best for a quick reality check on extension budgets before engaging a designer.

Common mistakes

Believing the per-m² guide is the quote: Auckland guides span $2,000–$8,000/m² because scope is everything. Add Value Renovations notes the biggest reason quotes vary wildly between builders is what has been left out of the scope, so compare inclusions line by line.

Opening villa walls without a contingency: kauri villas hide rot, borer, old wiring and undocumented alterations. Manor Projects' full restorations starting around $250,000 exist because the unknowns are real. Hold 15–20% contingency on pre-war homes.

Skipping the consent to save time: structural changes, plumbing moves and extensions need Auckland Council building consent. Superior Renovations notes most renovations changing structure, plumbing layout or electrical systems need one, with 4–8 weeks of processing. Unconsented work surfaces at sale time.

Choosing the cheapest villa quote: builders who quote old-house work regularly price the unknowns honestly. The cheapest quote on a Grey Lynn villa usually just has not found them yet.

Forgetting the weathertightness question on plaster clads: renovating a 1990s-2000s monolithic-clad home without a weathertightness assessment can open a wall and find a reclad. Add Value puts Auckland reclads at $135,000–$500,000+.

Living in the chaos without a plan: full renovations mean weeks without a kitchen or bathroom. Project-managed firms like Refresh build the temporary-living plan into the programme; if you self-manage, it is on you.

FAQ

How much does a renovation cost in Auckland?

Superior Renovations' 2026 Auckland guide puts standard renovations at $2,000–$4,500/m², high-end past $5,500/m², and full home renovations at $80,000–$160,000. Extensions run $3,500–$8,000/m² (Add Value Renovations), with a 30m² ground floor extension at $135,000–$204,000 and second storeys from $200,000–$400,000+.

How much does an extension cost in Auckland?

Published Auckland guides: Add Value puts basic single-room extensions at $3,200–$4,800/m², mid-range family extensions at $4,500–$6,800/m², and extensions with kitchens or bathrooms at $5,500–$8,000/m². Build Unlimited guides $3,000–$5,000/m² for quality single-storey work, and Style Plus prices a 36m² ground floor extension at $126,000–$198,000.

What does a full villa renovation cost?

Manor Projects' guide puts full villa restorations at $250,000–$500,000+, driven by structural upgrades, foundation work, re-roofing, insulation and heritage-compliant restoration. Mid-range villa work (a kitchen or bathroom scale) runs $80,000–$200,000, and cosmetic updates $20,000–$60,000.

Do I need a building consent for a renovation?

Most renovations that change structure, move plumbing, or alter the building envelope need building consent through Auckland Council; Superior Renovations advises allowing 4–8 weeks for processing. Like-for-like cosmetic work usually does not. Your builder should manage the consent; walk away from anyone suggesting you skip it.

How do I keep the budget from blowing out?

Fix the scope in writing, compare inclusions rather than totals, hold 15–20% contingency on pre-war homes, get the weathertightness question answered on plaster-clad houses before work starts, and decide who is project managing. Add Value's guide notes scope omissions, not workmanship, are the main reason quotes differ.

The short version

Standard renovations run $2,000–$4,500/m² (Superior), extensions $3,500–$8,000/m² (Add Value) with 30m² at $135k–$204k, and full villa restorations $250k–$500k+ (Manor Projects). Build Unlimited and Style Plus publish matching extension benchmarks. Refresh project-manages the chaos. Compare scope lines, hold contingency on old homes, and answer the weathertightness question on plaster clads before the walls open.