West Sussex · London and the South East
Roof leak investigation in Langley Green, West Sussex
Roof leak investigations around Langley Green, with findings in writing and pictures to back them up. Weekday and weekend visits available.
- Leaks below a flat extension roof
- Damp patches next to the stack
- Condensation that looks like a leak
How the survey works
Every roof is different; as a rough guide, the survey takes about 1–2 hours for most houses, while a commercial roof takes nearer three to four hours. You are welcome to ask questions while we are there. In a smaller place like Langley Green, as anywhere, the forecast plays a part: drone flights and thermal imaging need the right conditions, while a look from the ground and the loft can go ahead in most weather.
- We help you choose the package that suits the leak.
- We agree a date, including weekends.
- The investigation works from the stain back to the roof.
- Where it’s useful and included, we take moisture readings and use thermal imaging.
- The report explains the likely entry point and what needs attention.
Before we arrive
- Dig out any old roof reports or invoices
- Agree roof access with the managing agent if it is shared
- Jot down any questions you want answered
Arrange a survey
Booking is simple: just ring 07833 053749 or use the contact form, let us know about the property and we’ll explain which survey suits. We confirm the price before anything is booked.
Read more
Roof leak investigation in Langley Green
Most roof leaks start at a joint rather than the middle of a slope. Common entry points include chimney and wall flashings, valleys, parapet and box gutters, and the upstands and outlets on flat roofs. We check each likely route and we follow where the evidence leads. Every chimney, dormer and roof light adds more joints to check. Each one is looked at from wherever it’s safe to see it. If you’ve noticed drips from nail tips in a cold loft and water through the ceiling under a flat roof, a survey will tell you what’s going on, whatever the roof.
Older cottages and houses around Langley Green may have roofs with little or no underlay. Without a sound underlay, any gap in the coverings lets water straight through. Finding where it gets in, and whether it is old wear or new damage, decides what comes next. In the loft, damp battens or wet insulation are often the first clues.
Where we can’t see part of the leaking roof, the report says so. That way, it is clear what was covered and what wasn’t.
- Place
- Langley Green (RH11, RH10)
- Wider area
- West Sussex
- Cost
- From £150 inc. VAT
- Your report
- Emailed report with photos and recommendations
- Appointments
- Weekdays and weekends
- Cover
- PI and public liability insurance
- Phone
- 07833 053749
- Page updated
- 27 October 2026
Common questions in Langley Green
How do I find out if my home in Langley Green is listed?
Start with Historic England’s list for listing and your council for conservation areas. Either can affect what roof work is allowed, so it’s worth checking before planning any.
Do you cover smaller places like Langley Green?
Yes. Langley Green 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 you book.
Is it the same as a RICS Level 2 or Level 3 survey?
No. Our survey is a roof survey, not a RICS Level 2 or Level 3 survey of the whole building. It focuses on the roof and can sit alongside a RICS survey.
Why isn’t the leak directly above the stain?
Water follows the easiest path, not the shortest. On a flat roof it can travel under the covering before it shows. Tracing that path is the heart of a leak investigation.
Will you walk on the roof?
Only when it’s safe. Most of what we need can be seen from safe viewpoints, the loft and, where it applies, a drone, and the report notes anything we couldn’t see.
Is this an asbestos survey?
No. We do not carry out asbestos surveys or testing. We flag materials that could contain asbestos, such as cement sheets or soffits on pre-2000 buildings.
Will you photograph what you find?
Yes. Photographs are part of every report.
Why it’s worth a survey now in Langley Green
Patching the spot above the stain often does not work. Because water travels, the real entry point may be somewhere else. We find the probable source before anyone starts work. With lower homes, common in places like Langley Green, there is little between a roof defect and the ceiling, so water can show inside quickly once it gets past the covering. Catching the cause first saves redecorating as well.
Our price is from £150, including VAT. The final price depends on the size and height of the roof, how it can be seen safely and the package you choose.
Why choose Independent Roof Survey in Langley Green
- Every finding written up with photos
- 20+ years’ experience
- We hold a CAA Flyer ID and Operator ID
- PI and public liability insurance
See what a roof survey costs or what we found on two real jobs.
Do you need a roof leak investigation in Langley Green?
Some water in the loft is not rain at all. Warm, moist air from the house rises into a cold roof space and condenses, particularly where ventilation is poor. Drips from nails and damp underlay are typical signs.
Most people get in touch when they’ve noticed one of these:
- Damp patches next to the stack
- Water coming in around a roof light or dormer
- Water that shows only in certain storms
- Brown rings on upstairs ceilings
Anyone responsible for a site like Langley Green Primary will know that a leak through a large roof is frequently found some distance from where the water shows inside.
What to check before booking
- Will the report include photos?
- Whether VAT is in the quoted price
- Their insurance cover
- Which parts of the roof they’ll actually see
Langley Green roofs and the weather
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. Many older homes in Sussex have handmade clay tiles and tile-hung walls. Horsham stone slab roofs survive on some old Sussex buildings. Different coverings let water in at different points, which shapes where the search starts.
If you live near a park like Grattons Park, or anywhere with mature trees, autumn leaves can block gutters and valleys. For hotels and guest houses around Langley Green, a roof problem found early is far less disruptive than one found by a guest, so it’s worth knowing the roof’s condition.
Langley Green is about 1 mile north of Crawley, in West Sussex. Whether the building in Langley Green is a house, a flat or a commercial unit, the roof can be surveyed. Our West Sussex coverage includes Langley Green.
Roof leak investigations in RH11 and RH10 are booked the same way as anywhere else. We cover properties on London Road, Cherry Lane and Dobson Road. Nearby, we also carry out roof leak investigations in West Green (1 mile south), Crawley (1 mile south), Three Bridges (2 miles south-east), Southgate (2 miles south) and Forge Wood (2 miles 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), Broadfield (3 miles south) and Billingshurst (14 miles south-west).
Local landmarks in Langley Green
In Langley Green, that means homes and buildings near Dr Samuel Johnson pub, Central Sussex College and Hazelwick School, among other places. The closest station to Langley Green is Crawley station, roughly 1.4 miles south. Nearby you’ll also find Crawley Museum (1 mile south) and Langley Green Hospital (under half a mile south). The countryside around Langley Green includes Tilgate Lake.
Towns and villages near Langley Green
More services for Langley Green
How the survey changes by roof type
Flat roof upstands and outlets
On a flat roof, a leak can show some distance from the split. Moisture readings and thermal imaging can help narrow it down where conditions suit.
Valleys
Stains from a valley leak often show some distance off. From inside the roof space, we follow the water’s route back.
What a roof leak investigation doesn’t cover
It helps to know what a survey won’t do before booking:
- Faults hidden behind ceilings or boarding
- Structural calculations (that is a structural engineer’s job)
- Carrying out the fix
If in doubt, ring 07833 053749 or email us and we’ll point you to the right survey before booking. What our survey covers.
Roof types and parts we check
- The roof space
- Rooflights and dormers
- Lead flashings
- Flat roof details
- Slate and tile slopes
- Valleys and parapet gutters
- Chimney stacks
What you can safely check yourself
Your own check is a good start, but it is not a survey. From the ground, valleys, flashings and the backs of chimneys are often out of sight, and those are details a survey looks at closely.
After strong wind, take a look from the pavement or garden: broken slates or tiles in the garden, gaps along the ridge or loose lead are signs to note. Don’t go up yourself.