Greater London · London and the South East
Electronic Leak Detection in Walham Green
Electronic leak detection to pinpoint holes in flat roof membranes for Walham Green and the rest of Greater London. Surveys run on any day of the week.
- Holes left by work on the roof
- Leaks showing away from the breach
- A flat roof leak that cannot be traced
Electronic leak detection for homes and businesses in Walham Green
Electronic testing locates holes in the waterproofing but not every way water gets in. Water coming through walls, copings, rooflights or plumbing will not show on the test. If the evidence points elsewhere, we will say so. It will not show water getting in through brickwork or around frames. The report makes clear what was and wasn’t tested. You will also know what to check next. We’re often asked to look into new membranes needing a check before handover and water coming in under a flat roof, across roof terraces and balconies, flat roof membranes and liquid-applied waterproofing.
Water getting through a flat roof in London can travel under the covering and appear some way from the hole. Upstands against parapets, outlets and the edge where flat meets pitched are common entry points. In a block or conversion in Walham Green, the flat roof is frequently a shared part of the building.
Most points in the report come with a picture, because a photo of a cracked flashing says more than a paragraph. If something couldn’t be seen safely, the report is clear about it.
- Where
- Walham Green (SW6, SW10, SW11)
- Wider area
- Greater London
- Prices
- Quoted for your roof
- Reports
- Written, with photos, emailed to you
- When we survey
- Monday to Sunday, daytime
- Cover
- PI and public liability insurance
- Phone
- 07833 053749
- Page updated
- 27 October 2026
Walham Green: your questions answered
Do you cover commercial flat roofs around Walham Green?
Yes, commercial flat roofs are part of what we cover. For a bigger roof, you will get a quote based on the building.
How do I find out if my home in Walham 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 is worth checking before planning any.
Do I need to be at home?
Not necessarily. An outside-only look can be arranged beforehand, but anything inside needs someone there to give access.
When does the report arrive?
It depends on the package: the Basic Survey report arrives within 48 hours, the Standard Survey in 24 to 48 hours and the Premium Survey the same day. The report is emailed to you.
What is electronic leak detection?
It uses an electrical current to find breaches in a flat roof membrane. A breach lets the current through so we can pinpoint it.
Is it the same as a RICS Level 2 or Level 3 survey?
No. We are experienced roof surveyors, and our survey covers the roof rather than the whole building. If you need a full building survey, you’ll need a RICS survey as well.
Do you test for asbestos?
No. We can flag materials that might contain asbestos, but only a specialist asbestos surveyor can confirm it. Buildings built or refurbished before 2000 may contain it.
What electronic leak detection doesn’t cover
It helps to know what a survey will not do before you book:
- Water entering through details rather than the membrane
- Build-ups without a suitable layer below
- Parts of the roof covered by fixed equipment
If in doubt, call 07833 053749 or send us an email and we’ll point you to the right survey before you book. What our survey covers.
What we check
- Commercial flat roofs
- Flat roof membranes
- Liquid-applied waterproofing
- Green roofs
- Roof terraces and balconies
- Single-ply roofs
Rented homes, blocks and businesses
Letting agents and landlords in Walham Green book surveys as well as householders. A photo-illustrated written report gives you a clear record of the flat roof membrane, which helps you plan work between tenancies.
With a portfolio of properties, you can book surveys for several addresses. To discuss a number of properties, call 07833 053749 or drop us an email.
Prices for electronic leak detection in Walham Green
A few things affect what a survey costs:
- How big the roof is
- House, block, shop or office
- The use of thermal imaging or a drone
- 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.
Booking your survey
When you call or email, these details help:
- Where water is showing inside, if it is
- Whether there is a loft hatch, a shared roof or tricky access
- The kind of building and roof involved
- When you need the report by
For a price for electronic leak detection in Walham Green, ring 07833 053749 or send us an email. The address, the type of property and what you’d like to know help us price the survey accurately.
Flat and commercial roofs around Walham Green
Historic houses like Carlyle's House, about 1 mile north-east, show how far back building in the area around Walham Green goes. Older roofs in the wider area can hide decades of patch repairs, so the detail matters, and a listed home or one in a conservation area may need consent for changes of material. Welsh slate on Victorian and Edwardian terraces is a familiar sight across inner London. Behind many of their parapets sit butterfly roofs and valley gutters that can’t be seen from the pavement. Shared chimney stacks, party-wall upstands and lead work come with this kind of house. Flat roofs fill the gaps in between, on extensions, garages, dormers and business premises.
The streets around a church such as Church of St John are often among the oldest in a place, and if your house is among the older ones nearby, any flat roof added at the back or on a dormer is likely to be far younger, and less durable, than the main roof. If you let a flat or house near Imperial Wharf station, the flat roof over a let home is worth a look before it becomes a tenant complaint. If you look after a shop, office or commercial unit, for example near Putney Exchange, a flat roof over a business is out of sight and out of mind until it leaks.
Walham Green is about 2 miles south of Kensington, in Greater London. Houses, flats, blocks and commercial buildings in Walham Green can all book electronic leak detection, with a written report and photographs every time. Walham Green is one of the places in Greater London where we work.
We survey roofs across the SW6, SW10 and SW11 postcode area for electronic leak detection. That includes homes and businesses on Farm Lane, Lots Road and Epple Road. Walham Green sits on or near the A304, so getting to you is simple. If you are just outside Walham Green, we cover Chelsea Harbour (1 mile south-east), Parsons Green (1 mile south-west), World's End (1 mile north-east), Sands End (1 mile south-east) and West Brompton (1 mile north). Larger places within reach include London (4 miles east), City of Westminster (3 miles north-east), Marylebone (3 miles north-east), St Pancras (5 miles north-east), Shoreditch (6 miles north-east) and Walthamstow (10 miles north-east).
Local landmarks in Walham Green
Typical jobs here are in homes near Natural History Museum Library and Archives, Heatherley School of Fine Art and Langford Primary School, among other places. Also close by are William Parnell Park (under half a mile south) and The Rose pub (less than half a mile south-east). Walham Green has its own railway station: Imperial Wharf station. A little further out are Chelsea Stadium Tour And Museum (under half a mile north) and Chelsea and Westminster Hospital (0.5 miles north-east). The countryside around Walham Green includes Battersea Park Lake and WWT London Wetland Centre.
Can I check my roof myself?
Your own check is a good start, but it isn’t a survey. You won’t see flashings, valleys or the backs of chimneys properly from the ground, and those are details a survey looks at closely.
What you can’t do safely is get up close. Slates, tiles, flat roofs and rooflights can give way, and a fall can be serious. That’s where a survey comes in.
What happens on the day
Every roof is different, but as a rough guide the survey takes a length of time set by the membrane area and the build-up, which we’ll explain when we quote. You are welcome to ask questions while we are there. In Walham Green, visits are available on weekdays and at weekends. It helps if you can point us to a visitor permit or a nearby bay. Upstairs rooms at the back are useful too, as they often give the best view of a rear addition.
- We agree the area to be tested.
- The surface is prepared for the chosen method.
- Testing runs across the agreed area.
- We mark the breach locations in our records.
- The report is sent for your roofer to act on.
Getting ready for the survey
- Buyers: confirm access with the estate agent or seller
- Gather any invoices or paperwork from past roof work
- Have any questions written down, so nothing gets missed
How to book
Photos help, if you have them. Take them safely from the ground or a window; never climb up to get a better view. To send them or to book, phone 07833 053749 or use the contact form.
Advice
Why it is worth a survey now in Walham Green
Cutting open a flat roof to find a leak can cause more damage. Electronic testing finds the hole first so your roofer knows where to work. Work on a London roof is rarely simple to arrange, with parking, neighbours and access all to think about. Knowing what’s needed early gives you time to plan it calmly, rather than in a rush after a leak.
The cost of a survey depends on the roof: its size, its height, how many sections it has 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 with us
- Every finding written up with photos
- Surveys on weekdays and at weekends
- 5,000+ surveys completed
- More than 20 years surveying roofs
See our cost guide and our case studies.