West Sussex · London and the South East
Electronic leak detection in West Green, West Sussex
Electronic leak detection to pinpoint holes in flat roof membranes for West Green, from an experienced roof surveyor. Every survey comes with a written report and photos.
- Stains far from any visible defect
- Failed seams and laps
- New roofs to check before paving or planting
Electronic leak detection for homes and businesses in West Green
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. It’s testing only, and the repair is for your roofer. On a suitable roof, it takes the guesswork out of finding the hole. We then send you the results in a written report. We survey commercial flat roofs, flat roof membranes and single-ply roofs, and the problems we are asked to look at most are new membranes needing a check before handover and damp inside with no sign on the roof.
Around a smaller place like West Green, flat roofs usually cover extensions, garages and dormers. They’re small, but a leak over a kitchen extension can do a lot of harm. What it’s covered in, and how well it was laid, decides what it needs, from felt and asphalt to EPDM rubber and GRP. From an upstairs window, look for standing water, splits and edges coming away.
Nothing in the report is left vague: if work is needed, the report says so clearly, and where it can wait, that is said too.
- Where
- West Green (RH11, RH10)
- Region
- West Sussex
- Price
- Quoted for your roof
- Reports
- Written, with photos, emailed to you
- Survey days
- Weekdays and weekends
- Insured
- PI and public liability insurance
- Call
- 07833 053749
- Page updated
- 27 October 2026

How we price electronic leak detection
A few things affect what a survey costs:
- Commercial roofs and larger buildings
- Chimneys, valleys, parapets and other details
- Building height and the viewpoints available
- The number of roofs, including extensions and garages
Larger roofs, taller buildings and commercial roofs take longer, so the price reflects that. You’ll know the figure before booking.
Getting in touch
We’ll typically ask about:
- Pictures from the garden or a window, if you have them
- The address and postcode of the property
- What made you get in touch
- Any deadline, such as an exchange date
If you have photos of the roof, send them over. Take them safely from the ground or a window, and please do not climb up for a closer look. To get started, call 07833 053749 or use the contact form.
The survey, step by step
Where it is relevant and can be reached safely, the roof space is checked as well as the outside. In the loft, the signs we look for are staining, damp, daylight and sagging. The whole visit usually takes as long as needed for the roof’s area and construction, and we’ll give you a guide when quoting. For a survey in West Green, we agree the time, the access and parking before the day. Weekday and weekend visits are both possible. If there are outbuildings or garages you want looked at, mention them.
- First, you let us know about the roof build-up and where water is showing.
- We check that the membrane and build-up suit electronic leak detection.
- The testing method is chosen to suit the membrane and build-up.
- We test the membrane and find where current is passing through it.
- We send a report with photos of each breach so your roofer can repair it.
Before the survey
- Clear the way to the loft hatch
- Make sure pets are kept safely away
- If you’re buying, check with the agent that we can get in
Book a survey
Booking is simple: just phone 07833 053749 or email us, let us know about the property and we’ll explain which survey suits. We confirm the price before anything is booked.
Related advice
Roof by roof
Liquid-applied waterproofing
Testing a liquid-applied roof depends on what’s beneath the coating.
Bituminous membranes
Older felt roofs often have seams and patches where breaches occur. Testing depends on the roof.
Flat roofs in West Green
Before planning roof work on an older home, find out whether it’s listed or in a conservation area. Changes that affect a listed building’s special interest need listed building consent, and councils can also use Article 4 directions to control changes in conservation areas. Handmade clay tiles and tile-hung upper walls are typical of older Sussex houses. Some old buildings in Sussex have Horsham stone slab roofs. Next to the main roofs there’s typically a flat roof somewhere, whether on an extension, a garage or a commercial unit.
If you live in an older home near Voice of Deliverance Full Gospel Church of God, flat-roofed rear additions and dormers added over the years are worth checking. For businesses in and around places like County Mall, a flat roof over a business is out of sight and out of mind until it leaks. For site and facilities teams at buildings such as West Green Primary School, schools and public buildings frequently have big flat roofs, and their outlets and upstands need regular checks.
West Green is about 1 mile north of Crawley, in West Sussex. From houses to flats and shops in West Green, the roof can be surveyed. West Green is one of the towns and villages in West Sussex where we work.
Surveys in RH11 and RH10 are booked the same way as anywhere else. You’ll find streets such as Bank Lane, Swift Lane and Raven Lane. Other places close to West Green include Langley Green (1 mile north), Crawley (1 mile south), Southgate (1 mile south), Three Bridges (1 mile east) and Tilgate (1 mile south-east). Larger places within reach include Horsham (7 miles south-west), Haywards Heath (10 miles south-east), Burgess Hill (12 miles south), East Grinstead (8 miles east), Billingshurst (13 miles south-west) and Roffey (6 miles south-west).
Around West Green
Locally, jobs take us to homes and businesses close to Ifield Community College, Grattons Park and Dr Samuel Johnson pub, among other places. The nearest railway station is Crawley station, about 0.8 miles south. A little further out are Crawley Museum (under half a mile south) and Crawley Hospital (0.5 miles south-west). The countryside around West Green includes Tilgate Lake.
Tips that help
Small things make a difference. Our tips:
- Use boards when working on the roof
- Do not keep patching the same spot
- Record dates and spots where water appears
- Get leaks traced quickly
If anything in the report is not clear, ask us. We can talk you through the findings.
Clear flat roof outlets regularly. Standing water puts more pressure on any weak point.
Towns and villages near West Green
What else we do in West Green
Checking the roof from ground level
You can learn a lot from ground level. With binoculars, look for slipped or missing slates and tiles, gaps along the ridge and leaning chimneys. Never climb onto the roof to look.
The one thing to avoid is getting up close. Slates, tiles, flat roofs and rooflights can give way, and falls from height are serious. That is where a survey comes in, using safe viewpoints and a drone where it applies.
Why get it checked now?
Not every leak is in the membrane. ELD helps rule the membrane in or out, so other causes can be checked. Homes in smaller places like West Green can face more weather, so a loose ridge or verge soon lets rain in. Each storm lifts it a little further.
For a price for your roof in West Green, ring 07833 053749 or send us an email with the address and some details. We will confirm the figure before booking.
Why choose Independent Roof Survey in West Green
- Professional indemnity and public liability insurance
- Visits on any day of the week
- Independent findings on the roof’s condition
- More than 5,000 surveys completed
Take a look at our cost guide or two real surveys.
Questions from West Green
Is West Green within the area you cover?
Yes, smaller places are covered as well as towns. We cover the whole of London and South East England. Let us know about access, parking and anything unusual about getting there as you book.
My home in West Green has a flat-roofed garage or porch. Is it worth having that looked at?
Often, yes, so mention it as you book. Flat-roofed garages and porches are common in new towns like Crawley, and older felt coverings may be near the end of their life.
Is it a structural engineer’s report?
No. Visible signs such as deflection or sagging are recorded, but we don’t provide calculations or an engineer’s opinion. If one is needed, the report says so.
How many surveys have you done?
We’ve been surveying roofs for over 20 years and have carried out more than 5,000 surveys across London and South East England.
Do you test for asbestos?
No. Asbestos surveys and testing aren’t part of what we do. We flag materials that could contain asbestos, such as cement sheets or soffits on pre-2000 buildings, and recommend a specialist asbestos surveyor checks them before they’re disturbed.
Is the repair part of the test?
No, the test finds the breaches and your roofer repairs them. Your roofer uses the report to target the repair.
What is electronic leak detection?
A sound membrane blocks the test current, so wherever there’s a hole, it passes through. That lets us find breaches that are too small to see.