Oxfordshire · London and the South East
Electronic leak detection in Crawley, Oxfordshire
Electronic leak detection to pinpoint holes in flat roof membranes in Crawley, carried out by an experienced roof surveyor. Every survey comes with a written report and photos.
- Patched roofs that still leak
- Gaps at membrane joints
- Breaches around outlets and penetrations
Electronic leak detection in Crawley
We carry out electronic leak detection on flat roofs in Crawley and across London and South East England. A visit normally takes more time on a big roof than a small one, with the construction of the roof playing a part too. Every roof is quoted on its size and build-up. You get a written report with photos. We survey commercial flat roofs, roof terraces and balconies and green roofs, and people most frequently book us about breaches around outlets and penetrations and holes left by work on the roof.
Somewhere as small as Crawley, flat roofs tend to be on extensions, garages and converted outbuildings. The checks are the same as anywhere: the covering, the edges, the upstands and where water drains away. The journey and access are planned beforehand. Garages and outbuildings are easy to forget, so mention any you want included when booking.
Every survey ends with a written report, with photographs, sent by email. It explains the condition of the flat roof membrane, the defects we found and what we recommend.
- Where
- Crawley (OX29)
- Wider area
- Oxfordshire
- Cost
- Quoted for your roof
- Report
- Emailed report with photos and recommendations
- Appointments
- Weekdays, Saturdays and Sundays
- Cover
- Professional indemnity and public liability
- Call
- 07833 053749
- Last updated
- 27 October 2026
What happens on the day
We check the roof from outside and, where it is relevant and there’s safe access, from inside the loft space too. In the loft, the signs we look for are staining, damp, daylight and sagging, as far as the space allows. The whole visit normally takes more time on a big roof than a small one, with the construction of the roof playing a part too. Rural addresses near Crawley can be hard to find from a postcode alone, so a few directions, or a note of a nearby landmark, help us arrive on time. After that, the survey runs as it would anywhere.
- We agree the area to be tested.
- The surface is prepared for the chosen method.
- We work across the roof with the test equipment.
- Each breach found is located and recorded.
- The report is sent for your roofer to act on.
How to prepare
- Make sure the loft hatch can be reached
- Have any paperwork from past roof work to hand
- If the roof is shared, arrange access with whoever manages the building
How to book
Booking is simple: just call 07833 053749 or email us and give us some details about the property and we will explain which survey suits. The price is agreed up front.
Advice
Crawley questions
Is Crawley within the area you cover?
Yes, Crawley is on our map. Villages and rural addresses get the same survey as a town house.
Is Crawley in the area you cover?
We do. Every survey there gets the same written report with photographs.
Will I get photos?
Yes. We photograph the roof as we go, and the report uses them to show each finding.
Is it a structural engineer’s report?
No. Our survey isn’t a structural engineer’s report, and it does not include calculations. We’ll recommend an engineer if we see signs that call for one.
How do you choose the testing method?
The roof decides the method. We’ll explain why when we quote.
What does electronic leak detection do?
It uses an electrical current to find breaches in a flat roof membrane. A breach lets the current through so we can pinpoint it.
Are you insured?
We’re covered by professional indemnity and public liability insurance.
Should I look at the roof myself first?
You can learn a lot from the ground. With binoculars, look for slipped or missing slates and tiles, gaps along the ridge and leaning chimneys. Never climb onto the roof to look.
During heavy rain, look at the gutters from ground level or a window. Overflowing water can be a sign of a blockage or a gutter that has dropped.
Rented homes, blocks and businesses
For blocks of flats, a roof survey helps managing agents and residents’ management companies plan ahead. The report sets out what needs attention now and what can wait, which helps when budgeting.
An agent can book and manage the survey for a landlord, with the report sent to whoever needs it. Access is agreed with the tenant in advance.
Electronic leak detection around Crawley
Older buildings in west Oxfordshire often have Cotswold stone slate roofs, and some Oxfordshire villages still have thatch. Slate and clay tile are the usual coverings on older South East houses, with concrete tiles on many later estates. Flat roofs fill the gaps in between, on extensions, garages, dormers and business premises. Minster Lovell Hall, about 1.1 miles west, is one of the historic houses in the wider area around Crawley. Older roofs in the wider area can hide decades of patch repairs, so the detail matters, and a listed home or one in a conservation area may need consent for changes of material.
If you let a flat or house near Finstock station, flat roofs on let property tend to be checked only when they fail, which is the costly way round. The streets around a church such as Church of St John the Evangelist are often among the oldest in a place, and if your house is among the older ones nearby, the joins between later flat roofs and the old walls are where problems typically start. If you look after a building like Hailey Church of England Primary School, ponding and blocked outlets on a wide flat roof are worth catching before the next wet season.
Crawley is about 1 mile north-west of Witney, in Oxfordshire. Wherever you are in Crawley, we can come and survey your property. Crawley is one of the towns and villages in Oxfordshire we cover for electronic leak detection. There’s also a page for Oxford.
Electronic leak detection in OX29 are booked the same way as anywhere else. Whether your property is on Witney Hill, Farm Lane and Foxburrow Lane or anywhere close by, we can survey it. We also cover Leafield (2 miles north-west), Swinbrook (4 miles west), Ascott d'Oyley (4 miles north-west), Ascott-under-Wychwood (5 miles north-west) and Ascott Earl (5 miles north-west). Further out, we also cover Oxford (12 miles east), Abingdon-on-Thames (13 miles south-east), Carterton (5 miles south-west), Wantage (15 miles south), Grove (14 miles south) and Faringdon (11 miles south).
Near you in Crawley
We work in homes and buildings around Wood Green School and The Lamb Inn, among other places. The nearest railway station is Finstock station, about 3.6 miles north-east of the centre. Nearby you will also find Cogges Manor Farm Museum (1.9 miles south-east). Open spaces near Crawley include Blenheim Farm.
Also in Crawley
Before and after the survey
You do not need to be a roofer to help. What helps most:
- Tell us about the membrane and build-up if you know it
- Find the breach before more patching
- Keep a note of leaks after rain
- Stay off the flat roof unless needed
After your roofer repairs the breaches, a retest can confirm them if the build-up allows.
Limit foot traffic on flat roofs. Many breaches come from foot traffic.
What this survey cannot tell you
It is useful to know what a survey won’t do before you book:
- Fixing the holes we find
- Roofs whose membrane or build-up isn’t suitable
- The extent of water in the insulation
If you are not sure which survey you need, phone 07833 053749 or email us and we will give you a straight answer. What a survey covers and does not.
What this survey covers
- Flat roof membranes
- Single-ply roofs
- Liquid-applied waterproofing
- Green roofs
- Roof terraces and balconies
- Commercial flat roofs
Prices for electronic leak detection in Crawley
The price reflects the time and kit the roof needs. That comes down to:
- Chimneys, valleys, parapets and other details
- Height and safe access
- Whether thermal imaging or a drone is needed
- Commercial roofs and larger buildings
Every price we give includes VAT. Electronic leak detection is quoted for your roof, because the method depends on the roof. You will know the price for your roof before you book.
Helping us price your survey
We’ll usually ask about:
- The reason for the survey, such as buying, a leak or storm damage
- Any marks or damp showing indoors
- Whether there’s a loft hatch, a shared roof or tricky access
- Where the property is, with the postcode
Our phone lines are open seven days a week. For a price or to book, ring 07833 053749 or send us an email.