247 Rapid Response
4.5 · 510 reviews
Nitrogen tracer-gas regulator and gauges set up next to a bathroom sink during a leak-detection callout

Leak detection

Pre-purchase plumbing survey across London

Specialist pre-purchase plumbing survey as part of our 24/7 leak detection service. Same fixed pricing, same 30 to 60 minute target response, same 12-month guarantee.

30 to 60 min target response12-month guaranteeGas Safe Registered
30-60 MINResponse time
12 MOWorkmanship guarantee
FULLYInsured & accredited
24/7365 days a year

A buyer-side plumbing condition report on the property you're about to commit to. Written report with photos, flow tests, pressure tests, and an actionable defect list.

What's in the survey

Visual inspection of visible pipework and appliances. Flow rate at each tap. Static and dynamic pressure tests at the mains and at the highest tap. Boiler and heating system inspection. Drainage stack inspection (gulley, internal stack). Photographic record with a defect list categorised as Urgent / Notable / Cosmetic.

Why book a pre-purchase survey

Bigger property purchases

Worth knowing whether the heating, hot water and drainage actually work before exchange.

Buy-to-let acquisitions

CP12 readiness assessment built in; you know what's needed before tenanting.

Older properties with no documentation

No previous service records means assumptions. The survey replaces guessing with data.

Insurance pre-policy condition reports

Some insurers accept our survey as the baseline condition report.

What it costs (indicative)

Fixed price per survey based on property size. Written report by email within 48 hours. Full pricing.

When to call us

  • ✔ You're about to exchange on a property and want a plumbing-side condition check.
  • ✔ You're a landlord acquiring a new buy-to-let.
  • ✔ The vendor has refused or can't provide gas, boiler or drainage paperwork.
  • ✔ Your insurer has asked for a written plumbing condition report.

Need a 24/7 emergency engineer?

30 to 60 minute response across every London borough. Gas Safe registered. 12-month workmanship guarantee.

FAQ

Pre-purchase plumbing survey: your questions

How fast can you reach me for pre-purchase plumbing survey?
Typical on-site time is 30 to 60 minutes across the M25, subject to engineer availability and traffic. Live dispatch, never queued. Times quoted are best-effort targets, not contractual guarantees.
What does pre-purchase plumbing survey typically cost?
Labour is one flat rate across London and the M25, billed per 30 minutes: from £75 / 30 min (daytime) up to £147 / 30 min (nighttime), with a one-hour minimum then 30-minute increments. There is no callout fee. Domestic prices shown inc VAT, no hidden extras. Fixed-price conversion available on most jobs after diagnosis. Full rate card.
Is the work guaranteed?
Yes. Pre-purchase plumbing survey carries the same 12-month workmanship guarantee as every other leak detection job we do.
Are you Gas Safe registered?
Yes. Gas Safe Register number 972173. Verifiable live at gassaferegister.co.uk before our engineer walks in.

Need pre-purchase plumbing survey now?

30 to 60 minute response across every London borough. Gas Safe registered. 12-month workmanship guarantee.