Surrey · London and the South East
Electronic Leak Detection in Friday Street
Not sure what state the flat roof membrane is in? We carry out electronic leak detection in Friday Street and across Surrey.
- Damp inside with no sign on the roof
- Damage from equipment installers
- New roofs to check before paving or planting
Electronic leak detection in Friday Street
Electronic leak detection works on many flat roof membranes, on homes, blocks and commercial buildings. It helps trace a leak you already have or to test a new membrane before it is covered. Each roof is quoted on its size and build-up. Testing can be carried out on weekdays, Saturdays or Sundays when conditions allow. Let us know about your roof to find out more. We’re often asked to look into stains far from any visible defect and gaps at membrane joints, across commercial flat roofs, flat roof membranes and green roofs.
Flat roofs on exposed homes in small places like Friday Street take more wind and rain, which is hard on edges, upstands and joins in the covering. Felt roofs, which often last around 15–20 years, usually 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.
We keep jargon out of it: where something needs attention, it says so plainly.

- Location
- Friday Street (RH5)
- Wider area
- Surrey
- Price
- Quoted for your roof
- Report
- Written, with photos, emailed to you
- Appointments
- Monday to Sunday, daytime
- Cover
- Professional indemnity and public liability
- Telephone
- 07833 053749
- Updated
- 27 October 2026
Why get it checked now?
Testing a new membrane before it is covered is easier than tracing a leak later. Once layers are added, finding a breach is harder. For an older or listed building in a place like Friday Street, repairs may need matching materials and consent, so leaving a defect until it is urgent leaves less time to plan.
Bigger, taller and commercial roofs take more time to survey, so the price reflects that. The price is confirmed before you book.
Why choose Independent Roof Survey in Friday Street
- Over 20 years’ experience
- Photos and a written report every time
- PI and public liability insurance
- Satisfaction rate of 98%
Electronic leak detection around Friday Street
With Polesden Lacey about 4.2 miles north, Friday Street sits in an area with a long building history. On older houses around here, roofs often carry the marks of earlier repairs, from replaced slates to new lead, and a listed home or one in a conservation area may need consent for changes of material. Older houses across Surrey often have handmade clay tiles, and many have tile-hanging. A few of Surrey’s oldest buildings have heavy Horsham stone slab roofs. Next to the main roofs there is normally a flat roof somewhere, whether on an extension, a garage or a commercial unit.
If your house is among the older ones in the streets near Church of St James, any flat roof added at the back or on a dormer is likely to be far younger, and less durable, than the main roof. Take a building like Belmont Prep School: ponding and blocked outlets on a wide flat roof are worth catching before the next wet season.
Friday Street is about 3 miles south-west of Dorking, in Surrey. We carry out electronic leak detection in Friday Street for houses, flats, blocks and commercial buildings, with a written report and photographs every time. Friday Street is one of the towns and villages in Surrey where we work for electronic leak detection. We also survey roofs in Guildford.
Electronic leak detection in RH5 are booked the same way as anywhere else. You will find streets such as Sheephouse Lane, Noons Corner Road and Abinger Common Road. If you are just outside Friday Street, we cover Abinger Bottom (1 mile south), Abinger Common (1 mile west), Coldharbour (2 miles south-east), Forest Green (3 miles south) and South Holmwood (3 miles east). Further out, we also cover Guildford (9 miles north-west), Woking (12 miles north-west), Epsom (11 miles north-east), Horley (9 miles east), Redhill (10 miles east) and Ewell (12 miles north-east).
Landmarks near Friday Street
Typical jobs here are in homes near Hurtwood House, The Stephan Langton Inn and Wotton and Abinger Commons and the streets around them. The nearest railway station is Gomshall station, about 2.9 miles north-west. A little further out are Abinger Castle (1 mile west) and Mesolithic Museum (1 mile west). Open spaces near Friday Street include Vann Lake and Combe Bottom.
What we’re asked to look at in Friday Street
Roofs covered with paving, ballast or planting hide the membrane. Electronic methods can help on some of these roofs, depending on the build-up.
Typical things we are asked to look at include:
- Holes around roof penetrations
- Damp inside with no sign on the roof
- Waterproofing to test before it is covered
- Leaks under green or ballasted roofs
If you own a rental within reach of Gomshall station, flat roofs over rear additions and dormers in rented property are worth checking between tenancies.
Before booking any roof surveyor
- Their insurance cover
- How soon the report will arrive
- Which limits apply to the survey
- Whether you can ask questions once you have the report
Roof by roof
Bituminous membranes
ELD is often possible on bituminous membranes, depending on what’s below.
Inverted and paved roofs
We’ll tell you if your inverted or paved roof is not suitable.
FAQs for Friday Street
How do I find out if my home in Friday Street is listed?
Check Historic England’s online list first, then ask the council about conservation areas and any Article 4 direction. It matters most if you’re planning to re-roof in a different material.
Do you cover smaller places like Friday Street?
Yes, we do. Our area covers London and South East England, from towns to the smallest villages. Longer journeys are simply planned ahead of time.
Do you need to get into the loft?
If it is needed and safe to reach, yes. Inside, we look for damp, staining, gaps and sagging.
Is it the same as a RICS Level 2 or Level 3 survey?
No. This is a survey of the roof only, and it is not a RICS Level 2 or Level 3 survey. Many buyers have both.
Can you tell me if my roof has asbestos?
No. Asbestos surveys and sampling are not something we do. The report may flag materials that could contain asbestos on buildings built or refurbished before 2000, with a recommendation to have a specialist asbestos surveyor check before it’s disturbed.
Do you survey on Saturdays and Sundays?
We survey on any day from Monday to Sunday, during the day. Let us know your preferred days when you book.
Do you use low-voltage or high-voltage testing?
The method is chosen to suit the roof. Low-voltage methods are typically carried out on a wet roof, while high-voltage testing needs a dry, exposed membrane.
Towns and villages near Friday Street
More services for Friday Street
What affects the price in Friday Street
Not every roof costs the same to survey, and it comes down to:
- Whether it’s a home or a commercial building
- How many separate roofs there are, such as extensions, dormers and garages
- Whether thermal imaging or a drone is needed
- Height and safe access
Every price we give includes VAT. We quote electronic leak detection for each roof, as the method and time depend on the roof. We confirm the exact price before booking.
What to tell us when you get in touch
If you can, have these to hand when you get in touch:
- Whether there’s a loft hatch, a shared roof or tricky access
- Dates you are working to, such as exchange
- Pictures of the roof from a safe spot, if you have them
- The property’s address and postcode
Booking is simple: just ring 07833 053749 or drop us an email and give us some details about the property and we will explain which survey suits. The price is agreed up front.
How the survey works
We look at the roof from outside and, where it’s relevant and there’s safe access, from inside the loft space too. In the loft, the signs we look for are staining, damp, daylight and sagging, as far as the space allows. The whole visit usually takes longer on a large roof than a small one, and the build-up of the roof makes a difference too. Somewhere as small as Friday Street, access is often the only tricky part. Mention any outbuildings, barns or garages you want included, and anything about the roof you already know. Weekday and weekend visits are available.
- We start by finding out what the roof is made of and where it leaks.
- The roof is assessed to see if electronic testing will work on it.
- The method depends on the membrane and what sits above and below it.
- Testing runs across the roof to locate breaches in the membrane.
- You get a report showing where each breach is, for your roofer to repair.
How to prepare
- Point out any leaks or damp patches
- Check we can get to the back of the property
- Mention any parking restrictions on your street
Arrange a survey
Photos help, if you have them. Pictures from the ground or a window are fine, and please don’t climb up for a closer look. To get started, call 07833 053749 or use the contact form.
Read more
Should I look at the roof myself first?
After heavy rain, check ceilings and the tops of walls for new stains. Take a photo and write down when you saw it.
The one thing to avoid is getting up close. Slates, tiles, flat roofs and rooflights can give way. That part is for a survey.