West Sussex · London and the South East
Electronic leak detection in Northchapel, West Sussex
Know where you stand with the flat roof membrane before you decide what to do next. Electronic leak detection in Northchapel.
- Leaks through a covered membrane
- New membranes needing a check before handover
- A flat roof leak that cannot be traced
When to book a survey in Northchapel
Other trades on the roof can puncture the waterproofing. Engineers fitting equipment, solar panels or aerials may leave damage behind.
We’re frequently asked to look at:
- Leaks under green or ballasted roofs
- Leaks at pipes, outlets or fixings
- Gaps at membrane joints
- Patched roofs that still leak
For site and facilities teams at buildings such as Northchapel Community Primary School, a large flat roof with a good many outlets and rooflights has many places where a membrane can fail.
Questions to ask before booking
- Whether you get a written report with photos
- Which parts of the roof they’ll actually see
- Whether VAT is in the quoted price
- Do they have a CAA Flyer ID and Operator ID for drone work?
How electronic leak detection works in Northchapel
A leak in a flat roof often shows up a long way from where the water gets in. That makes leaks hard to trace by eye. Electronic leak detection tests the membrane itself, to find where it has been breached. We test and report and leave the repair to your roofer. On suitable roofs, it replaces guesswork with a located breach. The results then follow in a written report with photos. Common reasons to book are stains far from any visible defect and damage from equipment installers, on single-ply roofs, commercial flat roofs and flat roof membranes.
In a village or hamlet like Northchapel, flat roofs are usually on extensions, garages, outbuildings or barn conversions. The checks are the same as anywhere: outlets, upstands, edges and the covering itself. The journey and access are planned beforehand. Garages and outbuildings are easy to forget, so mention any you want included when booking.
We write the report in plain English, so you don’t need to be a roofer to follow it. Each point is backed by a photograph where possible.

- Place
- Northchapel (GU28)
- Region
- West Sussex
- Price
- Quoted for your roof
- Your report
- Emailed report with photos and recommendations
- Survey days
- Weekdays and weekends
- Insured
- Professional indemnity and public liability
- Call
- 07833 053749
- Updated
- 27 October 2026
How it works
We work from the outside in: outside views come first, then the roof space if there is safe access. In total, it takes a time that depends on the membrane area and the build-up, which we set out in the quote. Older rural homes like those around Northchapel can have a main roof, lower lean-to roofs and outbuildings all joined together. Each part is looked at from wherever it can be seen safely.
- First, we confirm which roof areas are included.
- The surface is prepared for the chosen method.
- We work across the roof with the test equipment.
- We mark the breach locations in our records.
- You receive the results to pass to your roofer.
Preparing for the visit
- Note where any stains or damp appear
- Gather any invoices or paperwork from past roof work
- Have any questions written down, so nothing gets missed
Book a survey
A quick phone call is normally the easiest start: ring 07833 053749 or use the contact form and we’ll ask a few questions about the roof. You’ll have a price before anything is arranged.
Advice
Northchapel: your questions answered
How do I find out if my home in Northchapel is listed?
Check Historic England’s online list first, then ask the council about conservation areas and any Article 4 direction. The answer matters most when a change of material is on the cards.
Do you cover smaller places like Northchapel?
Yes. Northchapel is within the area we cover, which takes in towns, villages and rural addresses. We work right across London and South East England. Let us know about access, parking and anything unusual about getting there as you book.
How many surveys have you done?
More than 5,000 surveys over 20+ years.
Which days do you carry out surveys?
We survey on any day from Monday to Sunday, during the day. Just say which days work for you.
Are you insured?
We hold professional indemnity and public liability insurance.
Can you survey a shared roof?
Yes, once whoever controls the roof agrees access. On a shared roof we can only inspect the parts we are allowed to reach.
Do you climb onto every roof?
Only if it is safe. We inspect everything that’s safely in view: from the ground, from windows, from inside the roof space, from the roof where it is safe and by drone where it applies. The report says if anything couldn’t be seen.
Flat roofs in Northchapel
With Petworth House about 4.9 miles south, Northchapel sits in an area with a long building history. On older houses around here, roofs frequently carry the marks of earlier repairs, from replaced slates to new lead. In Sussex, older roofs are often handmade clay tile, frequently with tile-hanging on the walls below. Horsham stone slab roofs survive on some old Sussex buildings. Alongside them, flat-roofed extensions, dormers, garages and commercial units are common almost everywhere.
If you own a rental within reach of Haslemere station, flat roofs on let property tend to be checked only when they fail, which is the costly way round. If your home is one of the older ones in the streets near The Parish Church of St Michael, any flat roof added at the back or on a dormer is likely to be far younger, and less durable, than the main roof.
Northchapel is about 12 miles south-east of Farnham, in West Sussex. We visit Northchapel as part of our work across West Sussex. Our area takes in places right across West Sussex. We also survey roofs in Guildford.
We work across GU28 for electronic leak detection. Local streets include Pipers Lane, Valentines Lea and St Michaels Close, all of which we cover. Nearby, we also carry out electronic leak detection in Ebernoe (2 miles south-east), Shillinglee (2 miles north-east), Lurgashall (2 miles south-west), Ansteadbrook (2 miles north-west) and Ramsnest Common (2 miles north). Larger places within reach include Horsham (14 miles east), Storrington (13 miles south-east), Billingshurst (9 miles east), Roffey (15 miles east), Southwater (13 miles east) and Midhurst (7 miles south-west).
Local landmarks in Northchapel
In Northchapel, that means homes and buildings near Deepwell Tavern. Northchapel’s nearest station is Haslemere station, roughly 4 miles north-west of the centre. A little further out are Haslemere and District Hospital (3.7 miles north-west). For a walk, there is Shillinglee Lake and Blackdown.
Can I check my roof myself?
Keep a simple record: when leaks happen, ground-level photos and any past roof work. Send it with your enquiry.
Look up at the roof after a storm, from the ground: pieces of tile or slate on the ground, a gap in the ridge or a lifted flashing are all worth noting. Do not go up yourself.
What affects the cost of electronic leak detection
To price your survey, we check:
- Commercial roofs and larger buildings
- Features like valleys, chimneys, dormers and parapets
- Extensions, dormers and garages with roofs of their own
- Roof area
To find out what your survey will cost, phone 07833 053749 or email us and tell us about the roof. The price is agreed before a date is set.
Booking your survey
Some details help us suggest the right survey and price. When you contact us, it helps to mention:
- Pictures of the roof from a safe spot, if you have them
- Your timetable, like an exchange date
- Whether there is a loft hatch, a shared roof or tricky access
- Any stains, drips or damp patches you’ve seen indoors
Booking is simple: just phone 07833 053749 or email us, let us know about the property and we’ll recommend the right survey. We confirm the price before anything is booked.
Places near Northchapel
More services for Northchapel
Why it’s worth a survey now in Northchapel
Testing a new membrane before it is covered is easier than tracing a leak later. Covered roofs are harder to test. Where a roof is exposed, as many are in small places like Northchapel, driving rain gets into any weakness, and older walls, once damp, take a long time to dry.
Bigger, taller and commercial roofs take more time to survey, so the price reflects that. The price is confirmed before booking.
Why book us in Northchapel
- More than 20 years surveying roofs
- Insured for professional indemnity and public liability
- Plain-English reports with photos
- An independent look at the roof
When you need someone else
Before you book, it is worth knowing what a survey will not do:
- Carrying out the repair work
- Leaks from walls, copings or rooflights
- Parts of the roof covered by fixed equipment
If in doubt, call 07833 053749 or drop us an email and we will suggest the right survey before you book. What our survey covers.
What this survey covers
- Single-ply roofs
- Roof terraces and balconies
- Liquid-applied waterproofing
- Green roofs
- Flat roof membranes
- Commercial flat roofs