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Best Bathroom Renovators in Hamilton

We assessed 15 bathroom renovators in Hamilton and ranked the top 5 on their public review record: rating quality, review volume, and how recent the reviews are. How we rank →

Last updated: 2 Jul 2026

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Before you hire

Bathroom renovations involve plumbing, waterproofing, tiling and electrical work, often done by different subcontractors. Ask who is responsible for coordinating these trades, how waterproofing is done and what standard it meets, and what the process is if something leaks after handover.

Top 5 Bathroom Renovators in Hamilton

The top 5 bathroom renovators in Hamilton are The Kitchen Designers, Combined Trade Services, Weinbox Builders, Refresh Renovations Waikato, and JCC Build, ranked by Top5 score. Scroll for our take on each, plus what to ask before you hire.

  • 1

    The Kitchen Designers

    ↑ 1
    ★ 4.8 95 reviews +3 Top5 Score 160 +2
    5★ 89 4★ 3 1★ 3

    Reviews describe kitchen and joinery work exclusively; no bathroom renovation work is mentioned or detailed in available customer feedback. Without evidence of bathroom-specific experience, current data does not support a recommendation for bathroom renovation hiring.

    location_on 22 Bandon Street, Frankton, Hamilton

    map Map Is this your business?
  • 2

    Combined Trade Services - CTSWaikato

    ↓ 1
    ★ 5.0 58 reviews +5 Top5 Score 160 +1
    5★ 58

    Hire them if your bathroom reno needs to move quickly and you might need to add work mid-project, since they adapt on the fly without friction. They'll quote from photos and turn jobs around within a week of approval, which matters if you're working to a deadline.

    Reviews most often describe: Bathroom renovations needing fast turnaround and scope flexibility

    • ✓ Quotes from photos before visiting
    • ✓ Completes bathroom jobs within one week
    • ✓ Adapts scope changes during renovation without delay

    location_on 3a Joffre Street, Frankton, Hamilton

    map Map Is this your business?
  • 3

    Weinbox Builders | Hamilton Builders and Renovation Specialists

    ★ 4.9 34 reviews Top5 Score 148
    5★ 32 4★ 1 2★ 1

    Hire them for a bathroom reno that's part of a larger renovation, where coordinating multiple trades and staying on schedule matters. One client had their bathroom and laundry combined during a full house renovation completed on time and within budget, with active guidance through the planning stage.

    Reviews most often describe: Bathroom renovations combined with wider house projects

    • ✓ Manages multi-room projects to single timeline
    • ✓ Communicates delays and progress upfront
    • ✓ Completes within stated budget

    location_on 90 Te Miro Road, Te Miro

    map Map Is this your business?
  • 4

    Refresh Renovations Waikato Steve Roper

    ★ 4.9 32 reviews +1 Top5 Score 148 +1
    5★ 30 4★ 2

    Hire this team when you want a bathroom project delivered on schedule and within budget without ongoing surprises or scope creep. Polly handles all consent and trade coordination personally, removing project management burden from homeowners entirely.

    Reviews most often describe: Bathroom renovations where budget and timeline certainty matter

    • ✓ Stayed within budget despite mid-project complications
    • ✓ Project manager coordinates all trades and consents
    • ✓ Draws on experience to solve unexpected issues
    map Map Is this your business?
  • 5

    JCC Build | Waikato & Hamilton Builders

    ↑ 1
    ★ 4.8 41 reviews +6 Top5 Score 147 +4
    5★ 35 4★ 5 1★ 1

    Hire them if your bathroom reno involves coordinating multiple trades and you want visibility into the project timeline and material choices as work progresses. They use BuilderTrend software to give you real-time access to scheduling and selections, and hold regular site meetings so you can adjust plans without feeling sidelined.

    Reviews most often describe: Bathroom makeovers where you want to stay involved in decisions

    • ✓ Uses BuilderTrend for live project updates
    • ✓ Coordinates all trades on your behalf
    • ✓ Cleans site daily after work

    location_on 44 Lake Road, Frankton, Hamilton

    map Map Is this your business?

Before you hire a bathroom renovator in Hamilton

Common themes, pricing patterns, and watch-outs drawn from customer reviews and independent research.

What does a bathroom renovation typically cost in New Zealand? expand_more

A standard full bathroom renovation in New Zealand costs between $15,000 and $35,000, with basic refreshes starting from $5,000 to $10,000. Complex or high-end projects, particularly those involving plumbing relocation or structural changes, can exceed $50,000. Waterproofing, tiling, and licensed plumbing work are the biggest cost drivers, and all plumbing must come with a certificate of compliance. Get at least three itemised quotes and confirm who is responsible for consents before any work begins.

When does a bathroom renovation need a building consent? expand_more

Like-for-like fixture replacements in the same location, such as swapping a toilet or basin, do not require a building consent in most cases. Consent is required if you are relocating plumbing or drainage, changing the bathroom layout, adding a new bathroom, or removing walls. Regardless of whether consent is needed, all plumbing and drainage work must be carried out by a registered plumber and must still comply with the New Zealand Building Code, particularly Clause E3 on moisture control. Skipping required consents can result in fines and serious complications when you sell your property, so check with your local council before work starts.

How do I know if the waterproofing has been done properly? expand_more

Proper waterproofing requires a membrane that meets NZS 4858:2004, applied to floors and walls in wet areas with upstands that run at least 100mm up every adjoining surface, and you should ask to inspect this before any tiling goes over it. A Licensed Building Practitioner must carry out or supervise this work on any project requiring building consent, and you can verify their licence through the MBIE register. If waterproofing fails after tiling is complete, remediation is expensive because the tiles must be removed, so getting photographic evidence of the membrane installation before it is covered is the most practical protection you have.

What are the warning signs of a bathroom renovator you shouldn't hire? expand_more
  • –Quotes given verbally or without itemised breakdowns, making it impossible to hold them to scope or price later.
  • –No clear answer about who pulls the required building consent or who holds a Licensed Building Practitioner licence.
  • –Subcontracting trades without disclosing it upfront, meaning you have no visibility over who is actually doing the waterproofing or plumbing.
  • –Poor responsiveness after a deposit is paid, which several reviewers flagged in supply-side experiences where follow-up was ignored or passed off.
  • –Defects appearing within months of completion, such as cracking shower trays or splitting liners, pointing to substandard materials or installation.
  • –No process for handling hidden problems, such as rotted substrate or old drainage, which are common in older New Zealand homes and will affect both cost and timeline.
What should you ask before hiring a bathroom renovator? expand_more
  • –Ask whether they handle all trades directly or subcontract, and if subcontracting, who those tradespeople are and whether they hold current licences.
  • –Ask for a fixed-price quote with a detailed scope of work, including what happens if hidden defects such as rotted framing or old drainage are found mid-project.
  • –Ask who is responsible for obtaining any required building consents and council inspections, and confirm this is written into the contract.
  • –Ask how long the bathroom will be out of action, and whether there is a clear daily or weekly schedule so you can plan around it.
  • –Ask to see evidence of waterproofing before tiling begins, either through a site visit or photographic documentation supplied by the contractor.
  • –Ask for references from at least one completed bathroom project and follow up with those homeowners directly before signing anything.

More top bathroom renovators in Hamilton

The next five highest-scoring bathroom renovators in Hamilton. Worth considering if your first choices aren't available.

  • 6

    Enhanced renovations

    ↓ 1
    ★ 5.0 25 reviews Top5 Score 146
    5★ 25

    Hire them when your bathroom reno involves older construction or unusual constraints, since their team demonstrates strong problem-solving across difficult builds rather than routine installs. Justin manages the project timeline and keeps you informed at each stage, then returns on his own time to fix small adjustments after completion.

    Reviews most often describe: Bathroom renovations in older homes needing problem-solving

    • ✓ Returns after handover to fix minor issues
    • ✓ Coordinates multi-trade teams on complex jobs
    • ✓ Quotes and site visits within days

    location_on 7a Empire Street, Hamilton

    map Map Is this your business?
  • 7

    Hamilton - Lennox Bathroom

    ★ 4.2 31 reviews Top5 Score 132
    5★ 19 4★ 6 3★ 2 1★ 4

    Hamilton - Lennox Bathroom stocks shower trays, toilets, vanities, and taps with pricing that draws repeat customers back. They will exchange products without fuss when an error occurs on the customer's side.

    Reviews most often describe: Bathroom product purchases and straightforward fixture installations

    • ✓ Exchanges fixtures without argument
    • ✓ One-stop bathroom supply range
    • ✓ Delivery available for purchases

    location_on 21 Somerset Street, Frankton, Hamilton

    map Map Is this your business?
  • 8

    Smith & Sons Renovations & Extensions, Hamilton

    ★ 5.0 8 reviews +1 Top5 Score 129 +1
    5★ 8

    location_on 5 Herbert Road, Chartwell, Hamilton

    map Map Is this your business?
  • 9

    Mike Bryant Building Ltd

    ↓ 2
    ★ 5.0 8 reviews Top5 Score 129
    5★ 8

    location_on 12/23 Bristol Place, Te Rapa, Hamilton

    map Map Is this your business?
  • 10

    Josh Built | Renovations & Outdoor Living Spaces

    ★ 5.0 8 reviews +1 Top5 Score 127 +2
    5★ 8
    map Map Is this your business?

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About this ranking

How are Hamilton's top Bathroom Renovators chosen? expand_more

We assess every Bathroom Renovators business in Hamilton against public ratings and review data using a consistent, published method. See how we rank for the full methodology. Top 5 and Also Recommended positions are merit-based and cannot be purchased. At the last update, scores in the top 5 ranged from 147 to 160 points.

How often are rankings updated? expand_more

Rankings are refreshed regularly. This list was last updated in 2 July 2026.

Can a business pay to appear in this list? expand_more

No. Top 5 and Also Recommended positions are merit-only and cannot be purchased. Verified businesses may be able to update their listing details in future, but this will never affect ranking positions.

Why isn't my Bathroom Renovators business listed? expand_more

We pull from local search results for each category and city. If you're missing, the most common reasons are an incorrect Google Business category or too few recent reviews. At the last update, the lowest-ranked business in the top 10 had 8 reviews. Check where you rank or read how rankings work.