The short answer
Choose a bathroom fitter on accreditations, references, a clear written quote and proper insurance — not on price alone. Look for TrustMark registration or membership of a recognised body, ask to see recent work and speak to past customers, get a detailed itemised quote, and confirm who handles compliant electrical and drainage work. Compare at least two or three quotes before deciding.
The quality of your bathroom depends far more on who fits it than on which suite you buy. A good specialist plans, sequences and finishes the work properly and handles compliance; a poor one can leave you with leaks, failed tiling and unfinished snags. This guide sets out how to choose well and what to check.
Choosing a fitter at a glance
- Accreditation TrustMark / recognised body
- Evidence References and recent work
- Quote Detailed and itemised, in writing
- Insurance Public liability cover
- Compliance Who certifies Part P electrics
- Compare At least 2–3 quotes
Check accreditations and registration
Start with credentials. TrustMark is the government-endorsed scheme for vetted tradespeople, and membership of recognised bodies such as the KBSA (for bathroom and kitchen specialists) or relevant plumbing bodies via CIPHE indicates a professional standard. For the electrical element, the work is notifiable under Part P, so confirm the electrician is registered with a competent person scheme or that the work will be notified to building control. Our building regulations guide explains why this matters.
Ask for references and see recent work
A reputable fitter will happily provide references and examples of recent bathrooms. Speak to past customers about timekeeping, tidiness, how problems were handled and whether the job finished on budget. Photos of completed work, and ideally a chance to see one in person, tell you more than any sales pitch. Be wary of anyone reluctant to share references — our warning signs guide covers the red flags.
| What to check | Good sign | Warning sign |
|---|---|---|
| Accreditation | TrustMark / recognised body | No verifiable credentials |
| Quote | Detailed, itemised, written | Vague verbal estimate |
| References | Provided readily | Reluctant or none |
| Insurance | Public liability in place | None or won’t confirm |
| Payment | Staged, reasonable deposit | Large cash up front |
Get a clear, written quote
Insist on a detailed written quote that itemises labour, materials and the scope of work, rather than a vague verbal figure. A proper quote lets you compare like for like and reduces the risk of disputes later. Watch for large cash deposits up front; a reasonable staged payment schedule is normal. Compare at least two or three quotes — our quote comparison service makes this straightforward, and our cost guide shows what is typical.
Confirm insurance and guarantees
Check the fitter holds public liability insurance and ask what guarantee they offer on their workmanship, alongside the manufacturer warranties on the suite and fittings. Get the agreed scope, price, timescale and payment schedule in writing before work starts. Our what to expect guide covers the handover and certificates you should receive. This page is general information; always do your own checks on any tradesperson.
Compare bathroom quotes
Use our service to compare itemised quotes from a vetted bathroom installation specialist.
Frequently asked questions
How do I find a good bathroom fitter?
Look for TrustMark registration or membership of a recognised body, ask for references and examples of recent work, get a detailed written quote, and confirm public liability insurance and who certifies the electrical work. Compare at least two or three quotes before deciding.
What accreditations should a bathroom fitter have?
TrustMark is the government-endorsed scheme for vetted tradespeople. Membership of the KBSA for bathroom specialists, and a Part P registered electrician for the wiring, are strong indicators of a professional standard.
Should I always choose the cheapest quote?
No. An unusually low quote often signals corners cut on waterproofing, tiling or compliance, which cause costly failures later. Weigh price against credentials, references and the detail of the quote rather than picking on price alone.
How many quotes should I get for a bathroom?
Get at least two or three itemised written quotes so you can compare like for like on scope, materials and labour. This helps you judge what is reasonable and spot any quote that is suspiciously high or low.
Sources & further reading
- TrustMark — finding and checking a vetted tradesperson
- KBSA — consumer guidance on choosing a bathroom specialist
- CIPHE — plumbing and installation standards
- GOV.UK / Building Regulations Approved Document P — electrical safety
This is general information, not advice for your specific project. Always carry out your own checks on any tradesperson. Bathroom Answers is an independent information and introduction service, not an installer.