Honest, plain-English answers.

Yes. Every one of our surveys uses non-invasive equipment — thermal imaging cameras, acoustic listening devices, moisture meters and tracer gas. We locate the leak first, then open only the precise area needed for the repair, saving you hundreds in reinstatement costs.

Most domestic surveys take between 2 and 4 hours. Complex cases — underground mains, heritage buildings or commercial risers — can take a full day. We confirm the expected duration when you book so there are no surprises.

Almost all UK home insurance policies include 'Trace & Access' cover under the Escape of Water section — typically up to £5,000. We write the report your insurer needs to release those funds. Ask your insurer for the trace-and-access limit on your policy before you book.

It's a formal written report that documents how the leak was located and what was required to access it. Insurers (Aviva, Direct Line, Admiral, AXA, LV=, Lloyds and others) routinely ask for one before they reimburse investigation or repair costs. We prepare it as part of every survey at no extra charge.

Yes, on standard domestic internal hot and cold pipework leaks, where the leak has already been narrowed to a single room or area no larger than 5m × 5m, and where we're authorised to carry out the exposing repair on the same visit. We'll confirm eligibility during your enquiry — this guarantee doesn't apply to heating systems, drains or mains supply pipes.

Most domestic surveys fall between £275 and £595 as a fixed, all-inclusive fee. Underground mains and commercial work is quoted individually. We confirm the price in writing before any visit — no hourly creep, no hidden call-out fees.

Yes — we cover all 32 London boroughs plus the City of London. Check the Areas page for your postcode. We also serve surrounding Hertfordshire, Essex, Kent and Surrey.

Yes. Buried supply-pipe leaks are one of our specialities. We use acoustic correlation (two sensors either side of the pipe) and ground microphones to pinpoint the exact position, usually within half a metre. That lets any excavation be targeted and cheap instead of speculative.

Usually, yes. If you're topping up more than once a month and there are no visible drips at radiators or valves, the leak is almost certainly inside the pipework — often under floor screed or behind plasterboard. A pressure test and hydrogen tracer-gas survey will find it.

If you can see active water, turn off the mains stop-tap and the boiler, take photos of the damage for your insurer, and book a survey. If a ceiling is visibly sagging, leave it alone — don't pierce it yourself. If it's safe, dry the area and set up any towels or buckets; we'll take it from there.