Greater London · London and the South East
Electronic Leak Detection in South Tottenham
Electronic leak detection for homes and businesses in South Tottenham. We’ve completed more than 5,000 surveys across London and the South East.
- Repairs that haven’t stopped the leak
- Leaking laps in the waterproofing
- Water coming in under a flat roof
Electronic leak detection in South Tottenham
Green roofs, ballasted roofs and roofs under paving are harder to test. The layers on top can limit the methods we can use and parts may need to be lifted. We talk this through before we quote. Drawings or details of the roof’s layers are useful because they show what’s under the surface. We’ll tell you if the roof can’t be tested. We’re often asked to look into breaches around outlets and penetrations and leaking laps in the waterproofing, across single-ply roofs, roof terraces and balconies and flat roof membranes.
Commercial and residential blocks across London frequently have big flat roofs with plant, rooflights and access walkways. Each pipe, upstand and fixing through the covering is a possible weak point. In South Tottenham, roof access is agreed with the building manager or owner beforehand. Rooflights, plant supports and pipe entries are common places for a membrane to fail.
What you get is a clear record of the flat roof membrane on the day we saw it. That makes it useful now and a handy reference later, like when you want to compare after future work.
- Place
- South Tottenham (N15, N17, N16)
- Wider area
- Greater London
- Prices
- Quoted for your roof
- Your report
- A written report with photos, by email
- Survey days
- Weekdays, Saturdays and Sundays
- Insurance
- PI and public liability insurance
- Telephone
- 07833 053749
- Updated
- 27 October 2026
South Tottenham questions
Do you cover South Tottenham?
Yes, South Tottenham is within the area we cover. We work right across London and South East England. You can ring 07833 053749 or email us with the address and some details.
Can parking be tricky for a visit in South Tottenham?
London parking needs a little planning, so let us know about permits, bays or a driveway when you book. That way the visit can be planned around it.
Does the weather affect the survey?
A survey can typically go ahead in light rain, and it can even help show where water is getting in. Heavy rain or strong wind can ground a drone and make the roof unsafe, so we’ll agree a new date if the weather is not suitable.
Can you tell me if my roof has asbestos?
No. Asbestos surveys and sampling are not something we do. Where a material might contain it, such as old cement sheets on a building from before 2000, the report flags it, with a recommendation to have a specialist asbestos surveyor check before it’s disturbed.
Are you insured?
We hold professional indemnity and public liability insurance.
How do I arrange electronic leak detection in South Tottenham?
To book, call 07833 053749 or email us and tell us the address and what you want to find out. We will confirm the price and agree a day with you.
Can every flat roof be tested?
It depends on the membrane and the build-up. Share any details you have and we’ll check whether ELD will work.
Different roofs, different checks
Single-ply membranes
Single-ply membranes are common on commercial and newer roofs. Seams and penetrations are typical breach points.
EPDM rubber roofs
EPDM rubber roofs often last 30–50 years, but punctures and seam failures still happen.
Also near South Tottenham
More services for South Tottenham
What affects the cost of electronic leak detection
Prices always include VAT. The things that change the price are:
- Whether thermal imaging or a drone is needed
- How complicated the roof is, with its valleys, chimneys and parapets
- Height and safe access
- Commercial roofs and larger buildings
All our prices include VAT. Electronic leak detection is quoted for your roof, because the method depends on the roof. We confirm the price for your roof before booking.
Booking your survey
What helps most when you contact us:
- What made you get in touch
- Where any leaks, stains or damp patches show inside
- Your timetable, such as an exchange date
- How the loft is reached, if there is one
To get a price for electronic leak detection in South Tottenham, call 07833 053749 or drop us an email. The address, the type of property and what you need to know help us give you an accurate price.
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. Inside, we look for staining, damp, gaps and signs of movement, as far as the space allows. All in, the survey usually takes as long as needed for the membrane area and the build-up, which we’ll explain when we quote. In South Tottenham, as in much of London, plenty of properties are flats or terraces without side access, so the back of the roof is frequently seen from upstairs windows, from inside or, where a flight is allowed, from the air. Mention any building rules, key holders or managing agents when you book.
- First, you let us know 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.
- We test the membrane and find where current is passing through it.
- You get a report showing where each breach is, for your roofer to repair.
Getting ready for the survey
- Have any questions written down, so nothing gets missed
- Have any paperwork from past roof work to hand
- For flats, make sure roof access has been agreed
Getting a price
Most bookings start with a short call: ring 07833 053749 or send us an email. The price is agreed before a date is set.
Read more
Tips from our surveys
A few practical points come up again and again on our surveys. They apply to most roofs:
- Share any drawings of the roof
- Don’t leave water getting in
- Make sure trades protect the waterproofing
- Keep outlets clear of debris
If anything in the report isn’t clear, ask us. We can talk you through the findings.
Don’t leave a flat roof leak running. The longer water gets in, the more insulation and decking can be affected.
Electronic leak detection in South Tottenham: local notes
With Bruce Castle about 1.1 miles north, South Tottenham 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, and a listed home or one in a conservation area may need consent for changes of material. Close to the centre of London, a great many houses are Victorian or Edwardian terraces, many of them roofed in Welsh slate. Behind many of their parapets sit butterfly roofs and valley gutters that can’t be seen from the pavement. If your home in South Tottenham is one of them, lead flashings, party-wall upstands and shared chimney stacks are part of the picture too. Flat roofs fill the gaps in between, on extensions, garages, dormers and business premises.
If you look after a shop, office or commercial unit, for example near The Mall Wood Green, flat roofs over shops and units are easy to forget until water comes through a ceiling. The streets around a church such as Church of Holy Trinity are frequently among the oldest in a place, and if your house is among the older ones nearby, the joins between later flat roofs and the old walls are where problems typically start. For site and facilities teams at buildings such as Earlsmead Primary School, ponding and blocked outlets on a wide flat roof are worth catching before the next wet season.
South Tottenham is about 2 miles west of Walthamstow, in Greater London. We survey roofs in South Tottenham across London and South East England. Our Greater London coverage includes South Tottenham and the places around it. We also survey roofs in London.
All of N15, N17 and N16 is within our area for electronic leak detection. If you need electronic leak detection at a property on Ida Road, Elmar Road and Grove Road or a nearby road, we can survey it. We also cover the places around South Tottenham: Seven Sisters (1 mile south), Tottenham Green (1 mile north), St Ann's (1 mile west), Tottenham Hale (1 mile north-east) and West Green (1 mile west). Larger places within reach include London (6 miles south), City of Westminster (6 miles south-west), Marylebone (6 miles south-west), Kensington (8 miles south-west), St Pancras (4 miles south-west) and Shoreditch (4 miles south).
Near you in South Tottenham
In South Tottenham, that means homes and buildings near Church of St Andrew, Ada College and Gladesmore Community School and the streets around them. Nearby too are Chestnuts Park (0.7 miles west) and No.8 Seven Sisters pub (0.5 miles south-west). South Tottenham has its own railway station: Seven Sisters station. Nearby you will also find The Mall Wood Green (1.7 miles north-west) and North Middlesex University Hospital (2 miles north). For a walk, there’s Highgate Hill and Woodberry Wetlands.
Checking the roof from the ground
A DIY look is useful, but it is not a survey. You won’t see flashings, valleys or the backs of chimneys properly from ground level, and those are details a survey looks at closely.
Look up at the roof after a storm, from ground level: 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 we cannot see
No survey can tell you everything, and it’s better to know them up front. Keep these in mind:
- Repairing the breaches (that is for your roofer)
- Build-ups without a suitable layer below
- Leaks from plumbing or windows
If you are not sure which survey you need, call 07833 053749 or send us an email and we’ll give you a straight answer. What our survey covers.
What we look at
- Single-ply roofs
- Commercial flat roofs
- Green roofs
- Liquid-applied waterproofing
- Flat roof membranes
- Roof terraces and balconies