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Office leak detection in Buckinghamshire

From central Milton Keynes and Aylesbury to High Wycombe, Marlow and Amersham, ADI’s engineers trace hidden water leaks in office buildings across Buckinghamshire and keep the disruption to your staff as small as the job allows.

Empty office floor with booth seating, concrete pillars, glass-walled meeting rooms and a suspended ceiling

Areas we cover in Buckinghamshire

Milton Keynes and the north

  • Milton Keynes
  • Bletchley
  • Wolverton
  • Newport Pagnell
  • Olney
  • Buckingham
  • Winslow

Aylesbury and mid Buckinghamshire

  • Aylesbury
  • Wendover
  • Princes Risborough

High Wycombe, Marlow and the south

  • High Wycombe
  • Marlow
  • Bourne End
  • Beaconsfield
  • Gerrards Cross
  • Burnham
  • Taplow
  • Iver

Amersham, Chesham and the Chilterns

  • Amersham
  • Chesham

Map of Buckinghamshire

Location data © OpenStreetMap contributors.

Leak detection services for offices in Buckinghamshire

Six parts of an office building that leak in their own way. Every survey starts non-invasive, and pipework and drainage leaks can be quoted for repair.

  • Flat roofs, terraces and plant decks

    Most office buildings have a flat roof crowded with air-conditioning units, vents, rooflights and a lift overrun, and every one of them goes through the waterproofing.

    How it is investigated
  • Water mains, car park supplies and underground pipes

    The supply usually runs from a meter in the pavement or car park, under the tarmac and into the plant room.

    How it is investigated
  • Washrooms, kitchens and tea points

    Office washrooms and tea points sit in the same place on every floor, stacked above each other around the core.

    How it is investigated
  • Heating, cooling and hot water

    A plant room of boilers and pumps feeds radiators, fan coil units and hot water across every floor, and a leak can sit anywhere along those runs: in a riser, under a floor or above a suspended ceiling.

    How it is investigated
  • Risers, ceiling voids and raised floors

    An office hides most of its pipework: up through service risers, across the void above the ceiling grid and, in some buildings, under a raised floor full of cables.

    How it is investigated
  • Drains, basements and lower floors

    Soil stacks carry every washroom's waste down through the building, rainwater pipes bring the roof water down beside them, and it all meets in the drains under the lower ground floor.

    How it is investigated

How an office leak survey works

  1. Step 1: Call with the building details

    Tell the office the postcode, what has been noticed and which floors are affected. They will ask about the building, how the supplies run and access, then give you a quote and current availability.

  2. Step 2: Arrange access through the building

    Plant rooms, risers, the roof and any other tenant’s space on the same supply may all be needed. Let the office know about sign-in, building rules and lift access.

  3. Step 3: Meet the engineer on site

    Commercial work comes with a risk assessment and method statement. The engineer meets your building contact and starts at the meter, the stopcocks and the plant room.

  4. Step 4: Testing to find the leak

    Pressure tests split the system into circuits so the one losing water can be identified. Thermal imaging, moisture readings, acoustic equipment, tracer gas and inspection cameras narrow it down from there. A few tests mean turning the water or heating off for a short time.

  5. Step 5: Findings you can forward

    The report sets out findings, photographs and recommendations, ready to send to an insurer, landlord, managing agent or contractor.

  6. Step 6: Repair when quoted

    Pipework and drainage leaks can be quoted for repair, frequently on the same visit, with a pressure test afterwards. Roof and building fabric leaks are located and reported for a roofer.

What to prepare before the visit

Non-invasive water leak detection methods

ADI’s engineers combine these seven methods to locate hidden leaks before opening the affected area.

  1. Tracer gas

    A safe, non-flammable gas goes into the pipe and a detector finds where it escapes at the surface.

    In an office building: Pipes under car parks, pipes in screed, flat roofs.

  2. Acoustic listening

    Sensitive microphones pick up the sound of water escaping under pressure.

    In an office building: Buried supply pipes and risers, best when the building is quiet.

  3. Leak-noise correlation

    Sensors on either side of the leak work out how far along the pipe it sits.

    In an office building: Long supply runs under car parks and business parks.

  4. Thermal imaging

    A thermal camera shows warm pipes and cold, wet patches behind walls, floors and ceilings.

    In an office building: Heating pipes, runs across ceilings, and flat roofs by drone.

  5. Borescope cameras

    A camera on a flexible tube looks inside a void through one small hole.

    In an office building: Ceiling voids, risers and boxed-in washroom pipes.

  6. Moisture mapping

    Meters map how wet walls and floors are, showing where the water started.

    In an office building: How far water has spread across a floor or a run of ceiling tiles.

  7. Pressure testing

    Each circuit is held under pressure. A drop confirms a leak; a steady gauge proves a repair.

    In an office building: Separate supplies for each floor or tenant.

Engineer's hand holding a thermal camera up to an open service cupboard, the screen showing the warm pipe behind the panel
Thermal imaging · Service cupboard
Engineer kneeling on a tiled washroom floor taking a moisture reading beside a wall-hung toilet
Moisture mapping · Washroom floor
ADI engineer wearing headphones and holding an acoustic listening probe, with a ground microphone and equipment case beside him
Acoustic listening · Ground microphone

Office buildings we work in across Buckinghamshire

The kind of building changes who needs to be involved and how the leak is traced.

  • Multi-let office buildings

    Several companies on one supply, with the landlord or managing agent responsible for shared pipework. Access to other floors is planned before the visit.

  • Business park offices

    Low-rise buildings round a shared car park, where the incoming main can run a long way under tarmac before it reaches the plant room.

  • Serviced and co-working offices

    Busy kitchens, showers and washrooms on every floor, and members who need the space open while the survey happens.

  • Offices above shops

    Mixed-use buildings where water from an upstairs washroom can show up in the shop below, or the other way round.

  • Older and converted buildings

    Pipes buried in floors and walls through years of refits, where finding the leak first saves opening up finishes that are costly to replace.

  • Company headquarters

    Larger buildings with plant rooms, risers and roof plant, and a facilities team who needs a report the insurer and the board can both use.

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Engineers nationwide
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What customers say about ADI on Trustpilot

4.7 out of 5 · Excellent
All 1600+ reviews on Trustpilot

Selected excerpts from five-star reviews of ADI’s wider service across the UK.

  • 5 out of 5 starsTrustpilot

    “very responsive and take a carefully test and check after the job.”

    Joe · 8 July 2026
    Read the full review
  • 5 out of 5 starsTrustpilot

    “James was absolutely amazing! Thank you so much for helping my mum with her water leak.”

    MissIzzyBailey · 30 June 2026
    Read the full review

Office leak detection questions in Buckinghamshire

Do you cover the whole of Buckinghamshire, including Milton Keynes?

Yes. ADI’s engineers cover all of Buckinghamshire, the City of Milton Keynes included, as part of coverage across England, Scotland and Wales. The towns on this page are examples. Call with the postcode and the office will confirm availability.

Is ADI based in Buckinghamshire?

ADI Leak Detection’s office team works from High Wycombe. The engineers are based across the regions, so the office will tell you who is available when you call. We do not promise arrival times on a website.

Can you look at more than one of our offices in the county?

Yes. Tell the office about each building when you call so the visits can be booked. Businesses with several offices can use one provider and get the same report format for every building.

What if the office is in an old or listed building?

The survey starts non-invasive, which helps in any building where opening up floors, walls or ceilings is costly or needs permission first. Tell the office if the building is listed or has finishes that must not be damaged, so the engineer can plan the visit around it.

What if the leak is coming from another tenant or the floor above?

In a shared building it often is. Water travels through ceiling voids and risers, so the stain in your office can start in a washroom upstairs, a neighbouring unit or the landlord's pipework. The engineer needs access to those areas too, so let the landlord or managing agent know before the visit. The report says where the leak actually is, with photographs, which gives everyone the same facts when working out who arranges the repair.

Call about a leak in an office in Buckinghamshire

Give the office the postcode, the floor and what you have noticed. They will talk through the survey, give you a quote and current availability, and book the engineer.

0333 567 2624
  • Monday to Friday, 7:30am to 6:30pm
  • Calls reach ADI Leak Detection's office in High Wycombe. Engineers cover England, Scotland and Wales.