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How a leak detection visit actually works.

You call, we assign the nearest available engineer, and that engineer spends the full day on your property until the evidence points to a single location. The detail is below, including what we do not promise.

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Seven days a week, 7am to 9pm

Four stages, one day.

  1. The call

    Describe the problem

    Describe what you have seen: a damp patch, a pressure drop, a higher bill. We establish which equipment the job needs, find the nearest available engineer, and confirm a date and a price.

  2. Your day

    One engineer, one job

    Each engineer is assigned one property per day. There is no second appointment to move on to, so the investigation runs for as long as the job requires.

  3. On site

    Testing and elimination

    Thermal imaging, acoustic microphones, tracer gas, correlation and moisture mapping. No single method is relied on alone. The search continues until two or three agree on the same point.

  4. Before we leave

    Located, repaired and written up

    You receive the exact location, photographs and a report written for an insurer. Where the repair is straightforward, our plumbing and heating engineers complete it on the visit and pressure test it.

What decides how soon we can be there.

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  • One job a day

    Each engineer is assigned a single property, so a day is either available or it is not. A job is not added late in the afternoon with six hours of work outstanding.

  • Who is nearest

    Twenty-five engineers cover England, Scotland and Wales. Your date depends on which of them has an available day within reach.

  • Cancellations

    Days come free and jobs finish early. That is when a same-day or next-day visit becomes possible, so it is worth asking.

  • An emergency

    Water that cannot be isolated is prioritised as far as availability allows. Say so at the start of the call.

Why one job a day matters.

The usual way: two or three properties a day

An engineer with a one o’clock in the next town has about three hours available. A leak needing five becomes a second visit, a second call-out charge and a fortnight of waiting.

How we book: one property, all day

Every method is applied in order. Those that find nothing still take an hour each, and that hour is already allowed for. Across every job ADI has attended, roughly ninety-nine in a hundred leaks are located on the day of the visit.

What we will not promise you.

  • We do not promise to attend on the day you call

    The name refers to the work being completed in a day, not to arriving the day you call. Engineer days are booked in advance. Where one is available we will say so.

  • We do not guarantee to find every leak

    Leaks differ and some are well concealed. What we commit to is applying every method available and reporting exactly how far the investigation reached.

  • Some repairs are not ours to make on the day

    Roof and drainage repairs normally require a second appointment or a specialist contractor. The location, the depth and the photographs are provided regardless.

  • Drying out is a separate job

    After a leak there is almost always water remaining in the floor or wall. It requires industrial drying before any making good, which is work for a water damage specialist rather than us.

On the day itself.

Do I need to be there the whole day?

Someone needs to admit the engineer and remain contactable, and access is required to any room the pipework runs through. You do not need to be present for the work itself.

Will I be able to use the water?

Not while a pressure test or a tracer gas test is running on the supply, since a tap opened mid-test invalidates the reading. You will be told when each test starts and finishes.

Can you work in a flat where the leak is coming from next door?

Yes, and it is a substantial part of the work. Access to both properties is needed to be certain, and the report states which side of the wall the water originates from.

What do I get at the end?

The location marked up, photographs, a written report, and the retest result where the repair was completed on the visit. Where it was not, you receive the evidence your own contractor needs to work from.

Speak to the team that books the engineers.

One call confirms the earliest available date and the price, before you commit to anything.

  • You describe what you have seen
  • We find the nearest available engineer
  • You get a date and a price before booking
0333 567 2635Call now

Seven days a week, 7am to 9pm. Most home insurance covers the cost of finding a hidden leak.