justbathrooms

Trust guide

Questions to ask before you hire a bathroom renovator in NZ

A bathroom is one of the trickiest rooms in the house to get right, and the parts that matter most are the parts you cannot see once it is finished. The right questions, asked before you sign anything, tell you quickly whether you are dealing with a genuine specialist or a general builder fitting your job in between others.

Tiled shower niche with a herringbone stone back and a black trim edge

The questions worth asking

Print this list, or take it to the measure. You are not being difficult by asking. A renovator who does bathrooms properly will welcome every one of these, because the answers are where they beat the cheapest quote in the pile.

  1. 1. Are you a Licensed Building Practitioner, or supervised by one, where the work is restricted?
  2. 2. Who does the waterproofing, and to what standard?
  3. 3. Is the quote a fixed price in writing after a measure?
  4. 4. How do you handle variations and surprises once walls are open?
  5. 5. Who manages the trades, and how many teams are on my job?
  6. 6. Do you only do bathrooms, or do you fit them in around bigger builds?
  7. 7. What workmanship guarantee comes with the job, and who backs it?
  8. 8. Can I see how your process works from measure to sign-off?
  9. 9. What happens to my timeline if materials are delayed?

Licensing, and who touches the waterproofing

Some of a bathroom renovation counts as restricted building work, which means it has to be done or supervised by a Licensed Building Practitioner, and the plumbing and drainage sit with registered tradespeople. It is reasonable to ask who holds what. We would always suggest confirming the current requirements with your local council, because the rules can change and the detail depends on your specific job.

The waterproofing question is the one we would push hardest on. Done to Building Code clause E3 and set out correctly, a wet area drains and lasts. Rushed or skipped, it leaks behind the tile and you do not find out until there is rot and mould. If you want to understand what E3 actually covers, we have written it up plainly in bathroom waterproofing explained. A renovator who cannot tell you clearly who does theirs, and how, is a renovator to be wary of.

Is it a fixed price, and how are surprises handled

A fixed price in writing, given after a proper measure rather than over the phone, is the thing that stops a job creeping upward once it is under way. Ask for it plainly. Then ask the follow-up that matters more: how are variations priced if something is found once the walls come off? In older Waikato homes that does happen, and an honest answer sets out the process before the surprise, not after.

It also helps to understand what drives the number in the first place, so the quotes you compare are actually comparing the same thing. Our guide to bathroom renovation cost per square metre walks through why a low headline figure and a high one can both be fair, depending on what sits behind them. The only truly accurate number for your bathroom comes from a measure.

Who manages the trades, and do they only do bathrooms

A bathroom needs a builder, a plumber, an electrician, a tiler and a waterproofer to turn up in the right order. When one team manages all of that, the job runs to a sequence and nobody is waiting on anybody. Ask who holds the schedule together, and how many separate parties you would be chasing yourself. If the answer is that you coordinate the trades, that is a very different job to sign up for.

Then ask the simple one: do you only do bathrooms? A specialist who does nothing else has the waterproofing, the falls and the tiling detail down to routine, rather than relearning it between larger builds. That focus is the whole reason we set the business up the way we did, and we have laid out why we are different if you want to see how it works in practice.

Guarantee, and can you see the process

A workmanship guarantee is only as good as what it covers and who stands behind it, so ask both. We are certified with New Zealand Certified Builders, and our work can be covered by the Halo 10-Year Residential Guarantee. We would still encourage you to read the fine print of any guarantee rather than taking the number on the cover at face value, whoever you are talking to.

Last, ask to see the process. A renovator who can walk you through what happens from the first measure to the final sign-off, and who is upfront about how they price and how they protect the parts you cannot see, is showing you exactly what you are buying. Vague answers here usually mean vague work later.

FAQs

Hiring questions, answered straight

Ask who does the waterproofing and to what standard. A bathroom that leaks behind the tiles is the single most expensive thing to get wrong, and it stays hidden until the damage is severe. A good answer names Building Code clause E3 and explains who on the team is responsible for it.

Get a fixed price on your bathroom

Tell us what you have got and what you want. We will come and measure up, talk through the options, and give you a fixed price in writing. No charge, no pressure.

CallGet a free quote