Buckinghamshire · London and the South East
Four Ashes Electronic Leak Detection
Electronic leak detection to pinpoint holes in flat roof membranes across Four Ashes, using drones and thermal imaging where applicable. Get in touch for a price.
- Waterproofing to test before it’s covered
- Leaking laps in the waterproofing
- Damage from equipment installers
Electronic leak detection in Four Ashes: what you get
Water can travel under a flat roof membrane before it shows inside. So the stain inside rarely sits under the hole. ELD tests the waterproofing directly, to find where it has been breached. We test and report and leave the repair to your roofer. On a suitable roof, it takes the guesswork out of finding the hole. The results then follow in a written report with photos. If you’ve noticed leaks that return after repairs and gaps at membrane joints, a survey will tell you what’s going on, on green roofs, single-ply roofs and flat roof membranes alike.
Some older homes in villages like Four Ashes are listed or in a conservation area, and that can affect how an extension roof or dormer is re-covered. If you are planning work, check with the council first. Finding out what state the roof is in gives you the facts to plan with. Changes that affect a listed building’s special interest need listed building consent.
The report records the flat roof membrane as we found it on the day. It is useful straight away, and a good reference for later.
- Location
- Four Ashes (HP15, HP13)
- Region
- Buckinghamshire
- Prices
- Quoted for your roof
- Your report
- Written, with photos, emailed to you
- Survey days
- Monday to Sunday, daytime
- Insurance
- Professional indemnity and public liability
- Phone
- 07833 053749
- Updated
- 27 October 2026
Flat and commercial roofs around Four Ashes
About 1 mile west lies Hughenden Manor, a reminder of how long the area around Four Ashes has been built on. Older homes in the wider area often have features worth a closer look, such as lead valleys, tall stacks and roofs that have been patched over the years, and a listed home or one in a conservation area may need consent for changes of material. A number of Buckinghamshire villages keep thatched roofs on their older buildings. Older houses in the South East often have slate or clay tile roofs, while many later estates have concrete tiles. Mixed in with those pitched roofs are lots of flat ones, over rear extensions, dormers, garages and shops.
If you own a rental within reach of High Wycombe station, a flat roof over a rented flat is easy to forget until the tenant reports a leak. If you live in an older home near St Michael and All Angels Church, later flat-roofed additions are common on older houses, and their edges and upstands frequently show the first signs of wear.
Four Ashes is about 2 miles north of High Wycombe, in Buckinghamshire. In Four Ashes, as across Buckinghamshire, every roof gets the same careful survey. Our area takes in places right across Buckinghamshire. For surveys nearby, see our Reading page.
We cover every part of the HP15 and HP13 postcode area for electronic leak detection. Close by, we survey roofs in Cryers Hill (1 mile north), Terriers (1 mile south), Widmer End (1 mile north-east), Hazlemere (1 mile east) and Hughenden Valley (1 mile north-west). Further out, we also cover Aylesbury (12 miles north), Chesham (7 miles north-east), Marlow (6 miles south), Amersham (6 miles east), Beaconsfield (5 miles south-east) and Chalfont St Peter (8 miles south-east).
Near you in Four Ashes
We work in homes and buildings around The Royal Grammar School, Pipers Corner School and The Crown pub and the streets around them. The closest station to Four Ashes is High Wycombe station, roughly 1.8 miles south. A little further out are Roald Dahl Museum and Story Centre (3.6 miles north) and Hospital of St John the Baptist (1.9 miles south). For a walk, there’s Gomm's Wood.
What we look for on each type of roof
Green and ballasted roofs
Parts of the covering may have to come up. We explain what’s needed when we quote.
Inverted and paved roofs
If the build-up rules out ELD, we’ll say so.
Do you need electronic leak detection in Four Ashes?
Work on the roof can damage a membrane. Engineers fitting equipment, solar panels or aerials may leave damage behind.
Common reasons to book include:
- Holes around roof penetrations
- Breaches hidden under paving or planting
- Leaks through a flat roof with no obvious cause
- Leaking laps in the waterproofing
Take a building like Great Kingshill Church of England Combined School: schools and public buildings often have big flat roofs, and their outlets and upstands need regular checks.
What to check before booking
- What insurance they carry
- Whether the loft is part of the inspection
- How soon the report will arrive
- What the survey won’t cover
DIY checks: what’s safe
A lot can be seen from ground level. Binoculars help you spot slipped slates or tiles, gaps along the ridge and a leaning stack. Never climb onto the roof to look.
Inside, the loft is a good place to look, with care. Take a torch and only step on boards or joists, checking for stains, damp wood or chinks of daylight.
Towns and villages near Four Ashes
Other services in Four Ashes
Leave it or get it looked at?
Some breaches are too small to see. Electronic testing can find breaches you can’t see by eye, on suitable membranes. Around Four Ashes, older homes frequently have old roof timbers, and water through a failed covering can rot timber if it is left.
For a price for your roof in Four Ashes, ring 07833 053749 or use the contact form with the address and a few details. The price is agreed before a date is set.
Why us?
- Drone and thermal imaging surveys available
- Over 5,000 surveys carried out
- An independent view of the roof
- Over 20 years’ experience
Honest limits
Some things can’t be seen without opening up the roof, and that sets some limits:
- Build-ups without a suitable layer below
- Leaks from plumbing or windows
- Areas we can’t reach or that cannot be tested
If in doubt, call 07833 053749 or drop us an email and we will suggest the right survey before booking. What our survey covers.
What this survey covers
- Flat roof membranes
- Commercial flat roofs
- Green roofs
- Liquid-applied waterproofing
- Single-ply roofs
- Roof terraces and balconies
FAQs for Four Ashes
Is my home in Four Ashes listed or in a conservation area?
We can’t confirm that for you, but Historic England’s list and your council can. A change of roofing material may need consent in either case.
Is Four Ashes within the area you cover?
Yes. Four Ashes is within the area we cover, which takes in towns, villages and rural addresses. We cover the whole of London and South East England. Just mention lanes, gates or anything else about the route when booking.
What happens after the survey?
You receive the written report by email, with photographs and recommendations. It’s yours to share with a seller, insurer, roofer or managing agent, whichever applies.
Will you fly a drone over my roof?
Where it helps and the rules allow, yes. Our sub-250g drone is flown by a CAA-registered operator with a Flyer ID and Operator ID, and the airspace and weather are checked before every flight.
Do you carry out surveys on Saturdays and Sundays?
Surveys run on weekdays and at weekends. To find a day that suits you, phone 07833 053749 or send us an email.
Do you climb onto every roof?
Only when it’s safe. Some roofs are too steep or fragile to walk on safely. We use safe viewpoints, the roof space and a drone where it applies, and the report records anything we couldn’t see.
Does someone need to be in?
Not always. If we only need the outside, we can agree that beforehand, but the loft and any rooms with damp need someone to let us in.
What we do, step by step
Every roof is different; as a rough guide, the survey takes as long as needed for the roof’s area and construction, which we set out in the quote. You’re welcome to ask questions while we’re there. Older roofs in small places like Four Ashes can have low, tight loft spaces, so it helps to know whether there is a loft hatch and how easy it is to reach. We only go where it is safe.
- We ask about the roof, its age, its membrane and where leaks appear inside.
- We confirm whether the roof is suitable for electronic testing.
- The method depends on the membrane and what sits above and below it.
- The roof is tested and any breaches are located.
- You get a report showing where each breach is, for your roofer to repair.
How to prepare
- Check pets are kept safely away
- Agree roof access with the managing agent if it’s shared
- Find any records of previous roof work
How to book
Surveys can be booked for weekdays, Saturdays or Sundays. To arrange a day that suits you, call 07833 053749 or drop us an email.