West Sussex · London and the South East
Streat Electronic Leak Detection
We carry out electronic leak detection in Streat and the rest of West Sussex. We survey on weekdays, Saturdays and Sundays.
- Repairs that haven’t stopped the leak
- Leaking laps in the waterproofing
- Holes left by work on the roof
Electronic leak detection in Streat
Electronic leak detection, or ELD, finds holes in flat roof waterproofing membranes. It works with an electrical current which can only get through the membrane at a breach. It can find holes too small to spot by eye, so your roofer can repair them. You get a report with photographs of each breach found. We are frequently asked to look into punctures from foot traffic or tools and leaking laps in the waterproofing, across flat roof membranes, single-ply roofs and liquid-applied waterproofing.
In a small place like Streat, a flat roof can stand in the open, which is hard on edges, upstands and joins in the covering. Older felt roofs, often around 15–20 years in life, show it first. EPDM rubber and GRP coverings last longer, but their edges and joints still need checking. Exposed edges are normally the first part of a flat roof to go.
It is not only a list of defects. For each finding, it explains what it is, why it matters and what we’d recommend, so you can plan your next steps.
- Where
- Streat (BN6, BN7)
- Region
- West Sussex
- Price
- Quoted for your roof
- Your report
- Written, with photos, emailed to you
- Survey days
- Weekdays, Saturdays and Sundays
- Insurance
- Professional indemnity and public liability
- Telephone
- 07833 053749
- Updated
- 27 October 2026
Before and after the survey
A little preparation and a few simple habits help. Some pointers:
- Consider ELD before paving or planting goes on
- Keep outlets clear of debris
- Have roof specifications to hand
- Keep a note of leaks after rain
The report records each breach location with photos. Your roofer uses it to carry out repairs.
Keep outlets and gutters on flat roofs clear. Standing water puts more pressure on any weak point.
Honest limits
Every survey has limits, and we’d rather be clear about that before you book. Keep these in mind:
- Repairing the breaches (that is for your roofer)
- Roofs whose membrane or build-up is not suitable
- Areas we can’t reach or that cannot be tested
Not sure which survey suits your roof? You can phone 07833 053749 or drop us an email and we will tell you before booking. The full list of what we check.
What we look at
- Commercial flat roofs
- Single-ply roofs
- Liquid-applied waterproofing
- Roof terraces and balconies
- Green roofs
- Flat roof membranes
Common questions in Streat
How do I find out if my home in Streat is listed?
Historic England’s list shows listed buildings, and the local council can tell you about conservation areas. If a home is listed, changes that affect its special interest need listed building consent, and in a conservation area re-roofing in different materials may need permission.
Do you cover Streat?
Yes, Streat is within the area we cover. We survey roofs across London and the South East. You can call 07833 053749 or send us an email with the address and a few details.
How long does electronic leak detection take?
It normally takes a time that depends on the roof’s area and construction, and we’ll give you a guide when quoting.
How many surveys have you done?
Over 20 years and more than 5,000 surveys, across London and South East England.
Which days do you carry out surveys?
We survey on any day from Monday to Sunday, during the day. Let us know your preferred days when you book.
Can you give me structural calculations?
No. We note visible signs such as sagging or deflection, but we don’t carry out calculations or give an engineer’s opinion. If we think you need an engineer, the report says so.
Does electronic leak detection work on all membranes?
Not every roof is suitable. Certain membranes are conductive and some roofs lack the layer the test needs. If your roof will not work, we’ll say so at the start.
What affects the cost of electronic leak detection
When we price a survey, we consider:
- Commercial roofs and larger buildings
- Whether thermal imaging or a drone is needed
- How complicated the roof is, with its valleys, chimneys and parapets
- The number of roofs, including extensions and garages
For a price for your roof in Streat, call 07833 053749 or use the contact form and let us know about the roof. The price is agreed before a date is set.
What we need to know
If you can, have these to hand when you get in touch:
- Any marks or damp showing indoors
- Whether there is a loft hatch, a shared roof or tricky access
- When you need the report by
- The type of building and roof, such as pitched or flat
If you have photos of the roof, send them over. Pictures from ground level or a window are fine; never climb up to get a better view. To get started, call 07833 053749 or drop us an email.
Places near Streat
Other services in Streat
Electronic leak detection around Streat
There are about 500,000 buildings on England’s list of listed buildings, and around 10,000 conservation areas. If your home is listed, changes that affect its special interest need listed building consent, and in a conservation area re-roofing in different materials may need permission, so the council is the place to ask. Handmade clay tiles and tile-hung upper walls are typical of older Sussex houses. Some old buildings in Sussex have Horsham stone slab roofs. Flat roofs fill the gaps in between, on extensions, garages, dormers and business premises.
Take a building like Plumpton Primary School: large flat roofs, common on schools and other public buildings, need their outlets, upstands and coverings checked regularly. Landlords with a home close to Plumpton station may find that flat roofs over rear additions and dormers in rented property are worth checking between tenancies. Take an older house close to Streat Church: the joins between later flat roofs and the old walls are where problems usually start.
Streat is about 3 miles south-east of Burgess Hill, in West Sussex. Roofs in Streat get the same thorough look as anywhere else in West Sussex. We cover towns and villages across West Sussex. You can also see our page for Brighton.
Postcode districts we cover here for electronic leak detection: BN6 and BN7. We also cover the places around Streat: Plumpton (1 mile south-east), Plumpton Green (1 mile north-east), East Chiltington (1 mile east), Ditchling Common (2 miles north) and Chiltington (2 miles east). Within a short drive, we also cover Crawley (14 miles north), Horsham (15 miles north-west), Worthing (15 miles south-west), Haywards Heath (6 miles north), Burgess Hill (3 miles north-west) and East Grinstead (15 miles north).
Near you in Streat
For rail, the closest station is Plumpton station, roughly 1.1 miles north-east. Other landmarks nearby include Ditchling Museum of Art + Craft (1.6 miles west) and Lewes Victoria Hospital (4.5 miles south-east). Open spaces near Streat include Ditchling Beacon and Bedelands Farm Nature Reserve.
Should I look at the roof myself first?
Fresh stains on ceilings or walls after rain are worth noting. Take a photo and write down when you saw it, as it helps a surveyor trace the cause.
Keep a simple record: when leaks happen, ground-level photos and any past roof work. Send it with your enquiry and it will help the survey.
Why it’s worth a survey now in Streat
Some breaches are too small to see. ELD picks up breaches a visual check might miss, on suitable membranes. Around Streat, older homes frequently have old roof timbers, and water through a failed covering can rot timber if it’s left.
What a survey costs comes down to the roof itself: how big it is, how high it is, the number of separate roofs and how it can be reached and seen safely. Electronic leak detection is quoted for your roof, because the method depends on the roof.
Why book us in Streat
- Professional indemnity and public liability insurance
- An independent view of the roof
- Drone and thermal imaging surveys available
- A sub-250g drone, flown with a CAA Flyer ID and Operator ID
Take a look at what a roof survey costs and what we found on two real jobs.
How the survey works
After the inspection, everything we found is written up in a report with photos. As for time on site, it normally takes as long as needed for the roof’s area and construction, which we’ll explain when we quote. Older roofs in small places like Streat can have low, tight loft spaces, so it helps to know whether there’s a loft hatch and how easy it is to reach. Only areas that can be reached safely are inspected.
- First, you tell us about the roof build-up and where water is showing.
- We confirm whether the roof is suitable for electronic testing.
- We pick the low-voltage or high-voltage method that suits the roof.
- Testing runs across the roof to locate breaches in the membrane.
- The breaches are recorded with photos in a report for your roofer.
How to prepare
- Make sure pets are kept safely away
- If you’re buying, check with the agent that we can get in
- Have keys ready for side gates, garages or roof access doors
Getting a price
To get a price for electronic leak detection in Streat, call 07833 053749 or send us an email. A few details about the property and the roof help us give you an accurate price.