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Best Builders in Dunedin

We assessed 38 builders in Dunedin and ranked the top 5 on public rating quality, review volume and how recent the reviews are. The businesses listed below hold 379 Google reviews between them. No business can pay for a place in these rankings. Last updated 30 September 2026. How we rank →

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Before you hire

Whether you want a new home built, a renovation or an extension, a good builder will give you a detailed quote, stick to a timeline, and communicate clearly when things change. Get at least three quotes, check their Licensed Building Practitioner number on the MBIE register, and ask for references from completed jobs similar to yours.

Top 5 Builders in Dunedin

The top 5 builders in Dunedin are #1 SB2 Build, #2 Top2 Renovation, #3 Lanark, #4 Project Builders, and #5 C Marshall Builders, ranked by Top5 score. Scroll for our take on each, plus what to ask before you hire.

  • 1

    SB2 Build

    ★ 4.9 80 reviews +1 Top5 Score 158 +1
    5★ 77 4★ 1 3★ 1 1★ 1

    SB2 Build coordinates bathroom renovations, internal reframing, foundation and retaining work, office fitouts, and weatherboard replacement, pulling together engineers, architects, plumbers, electricians, and painters under one point of contact. Quotes arrive quickly and in detail, schedules of payment are set upfront, and changes to scope get discussed and itemised rather than left to settle at the end.

    location_on 54 Argyle Street, Mosgiel

    map Map Is this your business?
  • 2

    Top2 Renovation and Building services

    ★ 5.0 53 reviews Top5 Score 153
    5★ 52 4★ 1

    Top2 Renovation covers bathroom renovations, subfloor and structural work, exterior repairs to older homes, fencing, and multi-trade whole-house upgrades, coordinating all subcontractors so clients deal with one person throughout. Rui actively works through options to keep jobs within budget, and multiple clients report finishing on the quoted price with no hidden costs.

    location_on 48 Eglinton Road, Dunedin

    map Map Is this your business?
  • 3

    Lanark

    ★ 5.0 46 reviews Top5 Score 150
    5★ 44 4★ 2

    Lanark fixes shower liner re-installations, bathroom renovations, gutter and roofing replacements, and drainage repairs, coordinating plumbers, electricians and builders across the same job. Donovan, Rhys and their crews are noted for explaining work clearly on-site and leaving each area tidy at the end of each day, reducing the remedial work clients need to arrange separately.

    location_on 313 Kaikorai Valley Road, Bradford, Dunedin

    map Map Is this your business?
  • 4

    Project Builders Limited

    ↓ 2
    ★ 5.0 33 reviews Top5 Score 149 -1
    5★ 33

    Project Builders takes on custom home builds, bathroom and villa renovations, deck replacements, and self-contained unit additions, coordinating engineers, electricians, scaffolders, and other trades so clients manage a single contact rather than a subcontractor list. Keegan and site staff like Rupert flag design or structural issues early in the build and bring solutions rather than waiting for clients to notice.

    map Map Is this your business?
  • 5

    C Marshall Builders

    ★ 4.9 43 reviews Top5 Score 147
    5★ 42 1★ 1

    C Marshall Builders takes on kitchen extensions, wall removals, window and door installations, deck builds, retaining walls, bathroom renovations, and heritage villa work including rotten timber replacement and wall linings. Craig keeps clients informed when unexpected issues arise mid-job, particularly inside older homes, and coordinates subcontractors and materials so owners are not left chasing trades themselves.

    map Map Is this your business?

Before you hire a builder in Dunedin

Drawn from 212 customer reviews collected for this page. The first answer is what it costs.

What does it typically cost to hire a builder in New Zealand? expand_more

Standard new builds in New Zealand cost between $2,500 and $4,500 per square metre in 2024 and 2025, covering construction only. High-spec or architecturally designed homes can push past $5,000 per square metre, while basic builds in provincial areas may sit closer to $2,000.

Renovation and extension work is priced differently, and reviews from Dunedin builders show that bathroom renovations, deck replacements, and room additions are quoted project by project, with costs varying based on materials, subcontractor requirements, and consent complexity. Land purchase, foundation variations, consent fees, and site preparation sit on top of construction costs and can add significantly to your total, so always request itemised quotes from at least three Licensed Building Practitioners before committing.

How do I know if a builder is properly licensed for the work I need? expand_more

Restricted building work, which includes structural framing, foundations, roofing, and cladding on residential homes, must be carried out or supervised by a Licensed Building Practitioner (LBP) under the Building Act 2004. You can check any builder's current licence status for free through the Ministry of Business, Innovation and Employment (MBIE) public register before signing anything.

When restricted building work is complete, your LBP is legally required to provide a Record of Work certificate, which goes onto your building consent file with the council. Dunedin builders who handle council consents on behalf of clients, as several reviewed here do, are taking on the compliance coordination role, but verifying their LBP status yourself remains your responsibility.

What should a building contract cover before work starts? expand_more

Scope of work needs to be written down in detail before anything starts, because one reviewer found that a verbal agreement on a 10-day timeline bore no resemblance to an eight-week reality, with no recourse once the dispute escalated. The contract should spell out how variations are approved and priced, since reviews repeatedly highlight that the best experiences involved builders who discussed and documented changes clearly as the project evolved, rather than presenting surprise costs at the end. Payment schedules, subcontractor disclosure, who holds responsibility for obtaining consents, and a clear process for addressing defects or snag items should all be in writing before the first tool is picked up.

What are the warning signs of a builder you shouldn't hire? expand_more
  • –A builder who gives only a verbal quote or timeline, with nothing in writing, leaves you with no basis for a complaint if the schedule blows out significantly.
  • –Abusive or defensive responses when you raise legitimate concerns mid-project are a clear signal that the working relationship will not recover.
  • –Poor finishing work left for the client to sort, such as paint on tiles, unsealed gaps around windows, or unfinished doors, suggests inadequate quality control and no structured sign-off process.
  • –A builder who dismisses or delays responding to a snag list after project completion is unlikely to return to fix issues without a fight.
  • –Intake forms that ask how much you are willing to spend before providing a quote can indicate the builder is screening for budget rather than suitability.
  • –No clear day-to-day site contact and long gaps in communication during the build are patterns that tend to precede cost and timeline disputes.

What 2,911 NZ builder reviews complain about most

What should you ask before hiring a builder? expand_more
  • –Ask for their LBP licence number and verify it yourself on the Ministry of Business, Innovation and Employment (MBIE) register before any contract is signed.
  • –Ask who your day-to-day contact will be and how often you will receive progress updates, since reviewers who got regular photos and check-ins reported far less stress than those left to chase information.
  • –Ask how variations are handled, specifically whether changes are documented in writing with a cost before work proceeds, not invoiced as a surprise at the end.
  • –Ask which subcontractors will be used and whether the builder takes responsibility for coordinating and quality-checking their work on site.
  • –Ask what happens if unexpected issues are found once walls or floors are opened up, including how additional costs are communicated and approved.
  • –Ask whether they will manage the building consent process, and if so, confirm in writing that council compliance and any required Record of Work certificates are their responsibility.

Also recommended builders in Dunedin

Ranked 6 to 10 on the same public review record.

  • 6

    Buildsmart

    ↓ 3
    ★ 4.7 47 reviews Top5 Score 146
    5★ 43 4★ 1 1★ 3

    Buildsmart carries out bathroom renovations, foundation repairs, balcony additions, deck builds, and full interior refits, including insurance-driven remediation work after weather events. Builders routinely film video updates to walk clients through issues and construction steps, which has been particularly valued by remote owners and clients unfamiliar with building work.

    location_on 9 Willis Street, Central Dunedin, Dunedin

    map Map Is this your business?
  • 7

    Next Level Building & Construction

    ↓ 3
    ★ 5.0 27 reviews Top5 Score 143 +1
    5★ 27

    Next Level Building & Construction covers new home builds, full house renovations, bathroom refits, extensions, and structural repairs like retaining walls and rotten framing replacement. Lead builder Manu sketches concept plans with clients from the start, coordinates all subcontractors, and sends regular progress updates throughout the build without waiting to be asked.

    location_on 15 Donald Street, Kenmure, Dunedin

    map Map Is this your business?
  • 8

    Connor Jones Group Ltd

    ↓ 3
    ★ 5.0 17 reviews Top5 Score 137
    5★ 17

    Connor Jones Group carries out window installations, school extensions, boarding house upgrades, bathroom renovations, and residential improvement projects, offering fixed-price contracts even on complex or scope-changed jobs. Clients regularly point to being able to hand off full project management, including subcontractor coordination and materials procurement, without being drawn into the day-to-day.

    location_on 49 Water Street, Central Dunedin, Dunedin

    map Map Is this your business?
  • 9

    PolarBuild

    ★ 5.0 17 reviews Top5 Score 137
    5★ 17

    PolarBuild carries out bathroom renovations, deck and privacy screen builds, fencing, exterior repairs, and full downstairs conversions, taking on challenging sites like 1800s stone cottages with no square walls or wall access. Jack and the wider team keep clients informed throughout, set timelines upfront, and have finished jobs ahead of schedule while coordinating subcontractors without pulling owners into the detail.

    location_on 10a Gow Street, Mosgiel, Dunedin

    map Map Is this your business?
  • 10

    Sentinel Homes Dunedin - House & Land Builder, Designer and Subdivider

    ↓ 4
    ★ 4.8 16 reviews Top5 Score 136
    5★ 15 1★ 1

    Sentinel Homes builds new homes in the Otago region, with project manager Richard keeping clients updated at every stage and working through decisions to get the best value from the build. Trades and suppliers describe expectations being set clearly from the outset and projects running to a consistent schedule, which translates into a smoother experience for homeowners unfamiliar with the build process.

    location_on 15 Nairn Street, Kaikorai, Dunedin

    map Map Is this your business?

About this ranking

What the 10 builders listed above hold, at the 30 September 2026 check.

80
reviews held by the #1 ranked business
43
reviews held by the #5 ranked business
16
reviews held by the #10 ranked business
4.7
lowest rating among the 10 listed
1.6%
of their 379 reviews are one-star
6 of 6
tracked since March 2026 have had no new one-star review

We first assessed builders in Dunedin in March 2026 and have rechecked the ranking four times since. SB2 Build has held first place at every check, and Project Builders has been in the top 5 alongside it throughout. Across the 14 locations we assess builders in, the 140 businesses listed have a median rating of 5.0, and one-star reviews are 2.5% of their total.

What has changed since March 2026? expand_more
Sep 2026

Scoring method updated. Top2 Renovation returned to the top 5 at #2. Lanark entered the top 5 at #3. C Marshall Builders entered the top 5 at #5. Buildsmart left the top 5, down to #6. Next Level Building & Construction left the top 5, down to #7. Connor Jones Group entered the list at #8. PolarBuild returned to the list at #9.

Aug 2026

Scoring method updated.

Jun 2026

Scoring method updated. Sentinel Homes entered the list at #8.

Apr 2026

Scoring method updated. Buildsmart entered the top 5, up from #7.

Mar 2026

First check. SB2 Build #1.

How are the top builders in Dunedin chosen? expand_more

We build this page from Google Maps results for builders in Dunedin. Each one is scored on its public rating and review record. Businesses outside the area, or whose reviews describe a different line of work, are left out, and a business whose main Google category is a different trade is held back until a person has checked what it does. A business whose website no longer resolves and that has had no Google review for six months is treated as dormant and left off the page until either changes. Every category and city is rechecked on a rolling cycle, about every two to three months. A location with a subscribing business is rechecked every month, and the whole page updates with it. See how we rank for the full method.

What does a business subscription offer? expand_more

No business can pay for a place in these rankings. Claiming and verifying a listing is free. It adds a phone number to the card and a small trust bonus (+3 points) to its score, for confirming a real operator stands behind the listing. The owner also gets a dashboard showing how their score is made up. A paid subscription provides an enhanced card with more ways to reach the business, including a website link and a detailed profile page. It also refreshes this page monthly and adds ranking history and competitor analysis to the owner's dashboard. The subscription adds nothing to the score. Claim your listing or see what a subscription includes.

Why isn't my business listed? expand_more

We build this page from Google Maps results for builders in Dunedin. The usual reasons for missing out are a Google Business category that does not match, too few reviews to score near the top, or an address outside the area we cover. Sometimes we miss a business that should be here. Check where you rank first. If you are not there and think you should be, get in touch.

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