Book someone with the capability your problem needs, rather than choosing by the job title alone. A plumber may also specialise in leak detection. A detection business may locate a leak but leave repairs to another contractor. Before booking, ask who will locate the source, open up access, repair it and make good the disturbed surfaces.
If water is escaping rapidly, reaching electrics or creating an immediate hazard, prioritise urgent help. Do not wait for online quotes or put yourself at risk to inspect the damage.
The difference between finding a leak and repairing it
Visible pipework dripping beneath a sink presents a different booking question from damp appearing under a floor with no obvious source. The first may need a plumbing repair; the second may require an investigation before anybody can price the repair accurately.
WaterSafe lists plumbers with leak-detection capabilities. That is a useful reminder that “plumber” and “leak detection specialist” are not mutually exclusive labels. Ask what the particular business can investigate and repair.
| Situation | Initial route to consider | Question to ask |
|---|---|---|
| An accessible joint or water pipe visibly leaks | A plumber offering that repair | Can you isolate and repair this type of pipe, and what does attendance cover? |
| The source is unknown or concealed | A business with suitable leak-investigation capability | What will you investigate, and what happens if the first method does not locate it? |
| Water appears in the street or a wider supply problem occurs | Your local water company | Is this part of your network, and what should I do next? |
| You rent or the suspected source is in shared building areas | Your landlord, agent or building manager as appropriate | Who is arranging access and authorising investigation? |
These routes guide the first conversation; they do not establish pipe ownership, legal responsibility or the cause of damp.
Separate four stages in every enquiry
1. Locate
What evidence will the contractor gather to identify the source? Ask whether the investigation covers the suspected system and property area, what records you receive and what the fee covers if the result is inconclusive. A “non-invasive” investigation is not a promise that no access work will ever be needed.
2. Access
Finding a likely location does not necessarily expose the pipe. Confirm who can lift flooring, remove a panel or arrange another trade, and who authorises that work. Do not open up walls or floors merely to make an initial quote easier.
3. Repair
Ask whether the attending business can complete the repair or provides a report for someone else. If repair is separate, establish what information the next contractor will need and whether another assessment charge may apply.
4. Reinstate
Repairing pipework is different from replacing tiles, repairing plaster, drying affected materials and redecorating. Get those responsibilities recorded so “leak repaired” does not become a surprise unfinished room.
A message to send before booking
“I have [visible water/damp/another symptom] at [location], first noticed [date]. The source is [known/unknown]. Previous checks were [details]. Please confirm whether your service covers locating, access, repair and reinstatement, and which are separately charged. What is the initial charge, what evidence will I receive, and how are further costs authorised?”
Attach safe-to-take photographs of the affected area and wider room. Explain access restrictions, whether the property is occupied and whether another contractor has already attended. Do not present a suspected location as a confirmed diagnosis.
Our guide to investigating a suspected home water leak covers the broader signs. This page focuses on choosing and briefing the service.
Check your water company and insurer before non-urgent work
Ofwat explains pipe responsibilities for England and Wales and notes that water companies may offer help with some supply-pipe repairs. Check the actual pipe arrangement and your company’s policy. If you are in Scotland or Northern Ireland, use your water provider’s local guidance rather than assuming the same arrangements.
If you may claim on insurance, ask the insurer what authorisation, evidence or contractor arrangements it requires. Do not assume a policy covers detection, the defective pipe, resulting damage and reinstatement equally. Record the advice you receive. Immediate safety and damage-limitation needs should not be postponed simply to obtain several quotations.
Compare quotes without comparing different jobs
Use one row per stage and ask each business to mark it included, excluded or subject to further approval. Record any attendance limit, report fee, repeat visit, parking charge and applicable VAT. For an estimate, ask what would trigger the next price decision and how you will be contacted.
For example, a hypothetical £250 investigation and a £450 combined investigation-and-repair allowance are not directly comparable. The first might exclude all repair work; the second might only cover an accessible repair. These invented figures illustrate scope differences, not market prices.
For published budgeting context, read our leaking-pipe repair cost guide, then obtain a quote for your actual circumstances.
What should the handover contain?
- The symptoms reported and areas investigated.
- Findings, supporting photographs and any unresolved uncertainty.
- Work completed, including whether a repair was temporary or permanent.
- Any areas opened and work still outstanding.
- The agreed next contractor or contact, if another visit is needed.
A clear handover helps you avoid paying a second business to reconstruct the whole story. It does not turn an inconclusive investigation into a confirmed diagnosis.
Check suitable businesses, not just availability
Browse current service listings on The Right Guy and confirm the business’s location, skills and availability directly. Plumbing and specialist coverage may be limited. The website does not guarantee emergency attendance.
Sources reviewed 26 October 2026: WaterSafe and Ofwat guidance linked above. See also WaterSafe emergency plumbing guidance. The scope worksheet is editorial guidance, not an inspection or insurance determination.
Author: The Right Guy Team
UK service guides published by The Right Guy Ltd.