West Sussex · London and the South East
Electronic leak detection in Horsemere Green, West Sussex
Not sure what state the flat roof membrane is in? We carry out electronic leak detection in Horsemere Green and across West Sussex, with plain-English findings.
- Breaches hidden under paving or planting
- Leaks through a flat roof with no obvious cause
- Failed seams and laps
Electronic leak detection for homes and businesses in Horsemere Green
ELD suits many waterproofing membranes on flat roofs over offices, units, blocks of flats and homes. It helps trace a leak you already have or to test a new membrane before it’s covered. We quote for each roof based on its size and build-up. We can test on weekdays and at weekends, depending on the weather. Tell us about your roof to find out more. We survey green roofs, commercial flat roofs and roof terraces and balconies, and people most often book us about holes around roof penetrations and leaks showing away from the breach.
Flat roofs on exposed homes in small places like Horsemere Green take more wind and rain, so edges, upstands and laps take a beating. Felt roofs, which often last around 15–20 years, typically show it first. EPDM rubber and GRP coverings last longer, but their edges and joints still need checking. On an exposed roof, the edges tend to go first.
Pictures do a lot of the work in our reports, so you can see each defect rather than just read about it. If something couldn’t be seen safely, the report is clear about it.
- Where
- Horsemere Green (BN17)
- Region
- West Sussex
- Cost
- Quoted for your roof
- Reports
- Written, with photos, emailed to you
- Appointments
- Weekdays and weekends
- Insurance
- PI and public liability insurance
- Phone
- 07833 053749
- Updated
- 27 October 2026

Tips from our surveys
Nothing here needs a ladder. Our suggestions:
- Find the breach before more patching
- Act on new leaks promptly
- Clear flat roof outlets regularly
- Limit access to the roof
If we think the leak isn’t coming through the membrane, the report says so, with a suggestion of what to check next.
Check contractors protect the waterproofing when they work up there. Check the roof after they’ve finished.
What we can’t see
In fairness, there are limits to any roof survey:
- Build-ups without a suitable layer below
- Leaks from plumbing or windows
- Fixing the holes we find
If you are not sure which survey you need, ring 07833 053749 or email us and we’ll give you a straight answer before booking. What a survey covers and does not.
Roof types and parts we check
- Liquid-applied waterproofing
- Roof terraces and balconies
- Green roofs
- Single-ply roofs
- Commercial flat roofs
- Flat roof membranes
What happens if roof problems are left?
A visual inspection can miss tiny holes. Electronic testing can find breaches you can’t see by eye, on suitable membranes. For older village homes like those around Horsemere Green, the right replacement materials aren’t always easy to find quickly. That’s one more reason to find defects before they become urgent.
What a survey costs comes down to the roof itself: its size, its height, how many sections it has and how it can be reached and seen safely. We quote electronic leak detection for each roof, as the method and time depend on the roof.
What you get with us
- We hold a CAA Flyer ID and Operator ID
- More than 20 years surveying roofs
- Thermal imaging and drones used where they help
- Covered by professional indemnity and public liability insurance
Read what a roof survey costs and our case studies.
The survey, step by step
When we arrive, we start by asking what you’ve noticed and what you want to find out. After that, we look at everything we can see safely. Most surveys take more time on a big roof than a small one, and the build-up of the roof makes a difference too. For a village or hamlet like Horsemere Green, the journey is planned beforehand: let us know about lanes, gates and parking. The roof is looked at from the ground, from windows, from the loft where there’s safe access and from the roof where it’s safe.
- We start by finding out what the roof is made of and where it leaks.
- We check that the membrane and build-up suit electronic leak detection.
- The testing method is chosen to suit the membrane and build-up.
- Testing runs across the roof to locate breaches in the membrane.
- We send a report with photos of each breach so your roofer can repair it.
Before the survey
- Let us know about any leaks, stains or damp patches you know of
- Leave side gates unlocked
- Buyers: confirm access with the estate agent or seller
How to book
Getting a price is simple: just phone 07833 053749 or send us an email, let us know about the property and we’ll recommend the right survey. The price is agreed up front.
Read more
Common roof problems in Horsemere Green
Seams are a common weak point in flat roof waterproofing. A gap that’s hard to see can let water in for months before it shows.
Problems we come across often include:
- Patched roofs that still leak
- A flat roof leak that can’t be traced
- Holes left by work on the roof
- Stains far from any visible defect
Anyone responsible for a site like St Mary's CofE Primary School will know that large flat roofs, common on schools and other public buildings, need their outlets, upstands and coverings checked regularly.
Before you book any roof surveyor
- Will the report include photos?
- Their track record with similar roofs
- Whether VAT is added on top
- How long the report takes to arrive
Can I check my roof myself?
Watch the gutters in a downpour, from a window or the ground. Overflowing water can be a sign of a blockage or a gutter that has dropped.
A lot can be seen from ground level. Binoculars help you spot slipped slates or tiles, gaps along the ridge and a leaning stack. Please don’t climb up for a closer look.
Flat and commercial roofs around Horsemere Green
Horsemere Green is within about 1 mile of the coast, and places near the sea get more salt in the air and more wind than inland. Wind can catch loose edges and trims on a flat roof, and salt air is hard on metal trims, flashings and fixings. In Sussex, older roofs are often handmade clay tile, frequently with tile-hanging on the walls below. A few old Sussex buildings still carry heavy Horsham stone slabs. Flat roofs fill the gaps in between, on extensions, garages, dormers and business premises.
If you own a rental within reach of Ford 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 The Parish Church of St Mary 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 usually start.
Horsemere Green is about 2 miles west of Littlehampton, in West Sussex. We cover Horsemere Green and the rest of West Sussex. Horsemere Green is one of the places in West Sussex where we work for electronic leak detection. Our Brighton page covers surveys nearby.
Every address in BN17 is within our area for electronic leak detection. Whether your property is on Langford Close, Horsemere Green Lane and Apple Tree Walk or a nearby road, we can help. Close by, we survey roofs in Climping (1 mile east), Atherington (1 mile south-east), Ford (1 mile north), Tortington (2 miles north) and Wick (2 miles north-east). We also work in nearby towns like Worthing (8 miles east), Bognor Regis (5 miles west), Chichester (9 miles west), Selsey (10 miles south-west), Shoreham-by-Sea (14 miles east) and Lancing (12 miles east).
What’s near Horsemere Green
We work in homes and buildings around The Black Horse Public House and The Littlehampton Academy and the streets around them. The closest station to Horsemere Green is Ford station, roughly 1.3 miles north of the centre. Other landmarks nearby include Arundel Castle (3.4 miles north-east) and Arundel and District Hospital (3.1 miles north). Not far away are WWT Arundel.
Questions from Horsemere Green
Do roofs near the sea, like those around Horsemere Green, take more of a battering?
Places near the sea get more wind and more salt in the air than inland, and both are hard on roofs. Salt corrodes metal fixings and flashings, and wind lifts loose slates, tiles and ridge pieces.
Is my home in Horsemere Green listed or in a conservation area?
We cannot confirm that for you, but Historic England’s list and your council can. A change of roofing material may need consent in either case, and councils can also use Article 4 directions.
Can you find leaks on a covered flat roof?
It can be possible, depending on the roof. What sits on the membrane affects the method so we check the roof first.
Is it the same as a RICS Level 2 or Level 3 survey?
No. Our survey looks at the roof, not the whole building. If you need a full building survey, you’ll need a RICS survey as well.
Is Horsemere Green in your area?
Yes, we do. Horsemere Green is part of the area we cover.
I live in a flat. Can you survey the roof?
Yes, as long as access is agreed. The roof of a block or converted house is frequently shared, so we need permission from the freeholder or managing agent. We inspect only the parts we are allowed to reach.
How long will testing take?
It typically takes more time on a big roof than a small one, with the construction of the roof playing a part too.