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Best Bathroom Renovators in Hamilton

We assessed 17 bathroom renovators in Hamilton and ranked the top 5 on their public review record: rating quality, review volume and how recent the reviews are. The 10 listed below hold 387 Google reviews between them. No business can pay for a place in these rankings. Last updated 18 August 2026. How we rank →

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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 CTS Waikato, The Kitchen Designers, JCC Build, Weinbox Builders, and Refresh Renovations Waikato, ranked by Top5 score. Scroll for our take on each, plus what to ask before you hire.

  • 1

    Combined Trade Services - CTSWaikato

    ↑ 1
    ★ 5.0 63 reviews +5 Top5 Score 160 +1
    5★ 63

    CTS Waikato takes bathrooms from dated to finished, covering shower installation, toilet fitting, and full room transformation with a coordinated crew of tradespeople. Jase quotes from photos before visiting, books jobs in quickly after acceptance, and adapts on the spot when clients add work mid-renovation.

    Reviews most often describe: Full bathroom renovations with coordinated trade teams

    • ✓ Quotes provided from photos before any site visit required
    • ✓ Multiple tradespeople coordinated on site with no disruption
    • ✓ Responds to scope changes mid-job without fuss or delay

    location_on 3a Joffre Street, Frankton, Hamilton

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  • 2

    The Kitchen Designers

    ↓ 1
    ★ 4.8 96 reviews +1 Top5 Score 160
    5★ 90 4★ 3 1★ 3

    The Kitchen Designers coordinates design, manufacturing, demolition, and installation as a single managed process, with several clients noting completion within a week. Kuldeep works through the design brief with clients directly, adjusting for budget and vision before a single cabinet is built, which reviewers say removes the back-and-forth common with other suppliers.

    Reviews most often describe: Budget-conscious full renovations completed at speed

    • ✓ Full project completed from design to install in under a week
    • ✓ Pricing consistently lower than competing quotes without hidden costs
    • ✓ Kuldeep involves clients in material and colour choices before build

    location_on 22 Bandon Street, Frankton, Hamilton

    map Map Is this your business?
  • 3

    JCC Build | Waikato & Hamilton Builders

    ↑ 2
    ★ 4.8 43 reviews +2 Top5 Score 150 +4
    5★ 37 4★ 5 1★ 1

    JCC Build brings bathroom renovations through from concept to completion in older character homes, where unexpected quirks and mid-project decisions are the norm rather than the exception. Their BuilderTrend app gives clients live access to costs, scheduling, and change decisions throughout, which reviewers in bathroom projects specifically credited with making a stressful process feel manageable.

    Reviews most often describe: Character homes needing guided, detail-focused bathroom renovation

    • ✓ BuilderTrend app gives clients real-time cost and schedule updates
    • ✓ Regular site meetings held so clients can direct work as it progresses
    • ✓ Coordinates all trades including plumbing, tiling, and finishing in-house

    location_on 44 Lake Road, Frankton, Hamilton

    map Map Is this your business?
  • 4

    Weinbox Builders | Hamilton Builders and Renovation Specialists

    ↓ 1
    ★ 4.9 35 reviews +1 Top5 Score 147 -1
    5★ 33 4★ 1 2★ 1

    Weinbox Builders combines bathroom and laundry conversions, extensions, and full bathroom refreshes under one coordinated build, guiding first-timers through each decision as the project moves. Kevin, Cherie, and Brendon are named repeatedly for explaining every step clearly, keeping projects on budget, and finishing on time even when clients add scope mid-build.

    Reviews most often describe: First-time renovators needing guided, multi-trade bathroom projects

    • ✓ Coordinates specialist tradespeople so clients deal with one point of contact
    • ✓ Keeps projects on budget even when extra work is added mid-renovation
    • ✓ Explains each step of the renovation process to first-time clients

    location_on 90 Te Miro Road, Te Miro

    map Map Is this your business?
  • 5

    Refresh Renovations Waikato Steve Roper

    ↓ 1
    ★ 4.9 33 reviews +1 Top5 Score 147 -1
    5★ 31 4★ 2

    Refresh Renovations Waikato suits clients who want someone else to run the entire job: Polly coordinates consents, trades scheduling, and design decisions from first meeting through to handover on bathroom and toilet renovations. Reviewers who were overseas during their reno, living in the house throughout, or dealing with family emergencies all note the project finished on time and within budget.

    Reviews most often describe: Hands-off bathroom renovations with full project management

    • ✓ Project manager keeps clients informed at every stage of the build
    • ✓ Unexpected issues like hot water cylinder replacements resolved within budget
    • ✓ Completed bathroom renovations on schedule even through lockdown disruptions
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Before you hire a bathroom renovator in Hamilton

Drawn from 170 customer reviews collected for this page. The first answer is what it costs.

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

A standard full bathroom renovation in New Zealand runs between $15,000 and $35,000, with basic refreshes starting from $5,000 to $10,000. Complex projects involving layout changes, premium fixtures, or structural work can push past $50,000. Waterproofing, tiling, and plumbing relocation are the biggest cost drivers after labour. Get at least three itemised quotes and confirm each covers consents, waterproofing membranes, and all trades before you compare prices.

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. Relocating plumbing or drainage, changing the bathroom layout, adding a new bathroom, or removing walls all trigger a consent requirement under the Building Act 2004. Even exempt work must still meet the New Zealand Building Code, particularly Clause E3 on moisture control and Clause G1 on sanitary facilities. One Hamilton renovator noted in reviews that their team handled council paperwork at a heritage building, which shows some firms manage this for you, but confirm who carries that responsibility before work starts.

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

Ask to inspect the wet area membrane before any tiles go on, as this is your only practical opportunity to confirm coverage, upstands, and corners meet NZS 4858:2004, the New Zealand Standard for wet area membranes. A Licensed Building Practitioner (LBP), verifiable through the Ministry of Business, Innovation and Employment LBP register, must carry out or supervise this work when it forms part of a larger renovation consent. Failures found in reviews, including a flooded bathroom caused by a screw driven through plasterboard into plumbing, show that poor wet area work can stay hidden for months and become very costly to remediate.

What are the warning signs of a bathroom renovator you shouldn't hire? expand_more
  • –A quote that is verbal only or lacks itemised breakdowns for labour, materials, and consents is a clear risk signal.
  • –Slow or no communication after the deposit is paid has appeared in reviews as a pattern with problem jobs, including delays that ran twice the agreed timeframe.
  • –Substandard finishing such as scratches, missing hardware, or architraves opening up after completion points to inadequate quality checks.
  • –Refusing to return promptly when a defect is reported, or becoming defensive and blaming external factors, is a strong indicator you will not get resolution.
  • –No clear answer on who holds the required licenses or who is responsible for obtaining building consents should stop the conversation immediately.
  • –A contractor who cannot tell you which trades they subcontract, or who those people are, gives you no way to verify that licensed plumbers and LBPs are doing restricted work.
What should you ask before hiring a bathroom renovator? expand_more
  • –Ask whether the quote is fixed-price or estimate-based, and what triggers any variation, as some Hamilton jobs ran significantly over the agreed budget.
  • –Confirm which trades are subcontracted and whether those people are licensed, asking specifically if plumbing work will be carried out by someone registered with the Plumbers, Gasfitters and Drainlayers Board.
  • –Ask who determines whether a building consent is needed and who applies for it, since leaving this unresolved is a common source of disputes.
  • –Find out the process if hidden problems such as rotted framing or failed existing waterproofing are uncovered once walls are open, and get the variation process in writing.
  • –Ask how long the bathroom will be out of action and whether a temporary alternative is available, particularly important for single-bathroom homes.
  • –Request to see the waterproofing membrane before tiling begins, and confirm the work will meet NZS 4858:2004 and New Zealand Building Code Clause E3.

Bathroom Renovators ranked 6 to 10 in Hamilton

They scored below the top 5 on the same public review record.

  • 6

    Enhanced renovations

    ★ 5.0 26 reviews +1 Top5 Score 145 -1
    5★ 26

    Enhanced Renovations coordinates full bathroom overhauls covering tiled shower rebuilds, vanity and flooring replacement, plumbing, plastering, and electrical work across a managed crew of tradespeople. Justin is named repeatedly for returning on his own time to fix minor post-completion issues and for staying patient when clients change plans partway through a build.

    Reviews most often describe: Clients who change their minds mid-renovation

    • ✓ Justin returns after completion to fix minor issues at no charge
    • ✓ Projects finished on time even when clients request mid-build changes
    • ✓ Entire trade crew described as tidy and communicative throughout the job

    location_on 7a Empire Street, Hamilton

    map Map Is this your business?
  • 7

    Renew Construction Limited

    ★ 5.0 22 reviews Top5 Score 140
    5★ 22

    location_on 12 Riccarton Place, Dinsdale, Hamilton

    map Map Is this your business?
  • 8

    Pzazz Building Waikato

    ★ 4.6 28 reviews Top5 Score 136
    5★ 21 4★ 6 1★ 1

    Pzazz Building coordinates full bathroom and ensuite renovations, including shower replacement, toilet and basin installation, tiling, and plumbing and electrical works, with Mike running the project from first meeting through to council sign-off. Reviewers across multiple bathroom jobs note that he listens to client ideas at the outset, offers suggestions, and sets out a clear schedule before work begins.

    Reviews most often describe: Whole-bathroom renos with a single point of contact

    • ✓ Quotes sent on the same day as the initial enquiry
    • ✓ Keeps clients informed throughout with minimal delays on site
    • ✓ Returns promptly to fix anything not quite right during the job

    location_on 89 Taylor Street, Cambridge

    map Map Is this your business?
  • 9

    Hamilton - Lennox Bathroom

    ↓ 2
    ★ 4.2 32 reviews +1 Top5 Score 133
    5★ 20 4★ 6 3★ 2 1★ 4

    Lennox Bathroom stocks shower cubicles, shower bases, vanities, toilets, and taps for buyers fitting out bathrooms on a budget. Customers who found a product exceeded their price-point expectations, and staff have accepted exchanges when buyers ordered incorrectly.

    Reviews most often describe: Buyers sourcing shower cubicles, vanities, and fittings

    • ✓ Shower cubicles priced below expectations for the finish delivered
    • ✓ Staff exchange products when customers order the wrong item
    • ✓ Reasonable prices noted across toilets, vanities, and shower supplies

    location_on 21 Somerset Street, Frankton, Hamilton

    map Map Is this your business?
  • 10

    Smith & Sons Renovations & Extensions, Hamilton

    ↓ 2
    ★ 5.0 9 reviews +1 Top5 Score 130 +1
    5★ 9

    Smith & Sons coordinates multi-trade renovation projects, sourcing plasterers, electricians, and other specialists on the client's behalf so they deal with one point of contact throughout. Martin is named repeatedly for transparent pricing, openness to client ideas, and keeping worksites safe and tidy each evening around young families.

    Reviews most often describe: Families needing a communicative, tidy on-site crew

    • ✓ Sources and coordinates other trades like sparky and plasterer for clients
    • ✓ Leaves the worksite tidy and safe at the end of each day
    • ✓ Transparent with pricing and actively looks for ways to save clients money

    location_on 5 Hubert Place, Chartwell, Hamilton

    map Map Is this your business?

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About this ranking

How are the top bathroom renovators in Hamilton chosen? expand_more

We build this page from Google Maps results for bathroom renovators in Hamilton. 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. See how we rank for the full method.

How often are rankings updated? expand_more

Every category and city is recrawled on a rolling cycle, about once a month. This page was last checked on 18 August 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. Verifying a business is free. A subscription adds a website link on the card, a public profile page, and competitor and ranking history in the owner's dashboard, none of which affects ranking position. See what a subscription includes.

Why isn't my business listed? expand_more

We build this page from Google Maps results for bathroom renovators in Hamilton. 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. At the last update, the smallest review count among the 10 businesses listed here was 9. Check where you rank or read how rankings work.