Greater London · London and the South East
Electronic Leak Detection in Nunhead
Electronic leak detection to pinpoint holes in flat roof membranes around Nunhead, with a written report you can act on. Weekday and weekend visits available.
- Punctures from foot traffic or tools
- Breaches around outlets and penetrations
- Repairs that haven’t stopped the leak
FAQs for Nunhead
Is my home in Nunhead listed or in a conservation area?
Your council is the best source, with Historic England’s list for listed buildings. Both listing and conservation areas can limit changes of roofing material.
Do you carry out roof surveys in Nunhead?
We do. The survey and report are the same in Nunhead as anywhere else, and visits run on weekdays and weekends.
What insurance do you have?
Our surveys are covered by professional indemnity and public liability insurance. If you need details for a managing agent or a building owner, just ask.
Will you repair the leak?
No. We test the membrane and report. You get the breach locations with photos so your roofer can fix them.
Which method do you use?
The method is chosen to suit the roof. Low-voltage methods are normally carried out on a wet roof, while high-voltage testing needs a dry, exposed membrane.
Is this a RICS 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.
How much does electronic leak detection cost?
We quote for each roof individually. Tell us about the roof and where it leaks. Just ring 07833 053749 or drop us an email for a quote.
Electronic leak detection in Nunhead
ELD suits many waterproofing membranes on flat roofs over offices, units, blocks of flats and homes. It can be used to trace an existing leak or to test a new membrane before it is covered. We quote for each roof based on its size and build-up. We can test on weekdays and at weekends, depending on the weather. Just ask about your roof. If you’re worried about breaches hidden under paving or planting and gaps at membrane joints, we can find out what’s behind it, whatever the roof.
Offices, shops and blocks of flats across London often have large flat roofs with plant, rooflights and walkways. Each pipe, upstand and fixing through the covering is a possible weak point. In Nunhead, 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.
- Location
- Nunhead (SE15, SE4, SE14)
- Wider area
- Greater London
- Price
- Quoted for your roof
- Report
- Written, with photos, emailed to you
- Appointments
- Weekdays and weekends
- Insured
- Professional indemnity and public liability
- Call
- 07833 053749
- Updated
- 27 October 2026
DIY checks: what’s safe
After strong wind, take a look from the pavement or garden: pieces of tile or slate on the ground, a gap in the ridge or a lifted flashing are all worth noting. Leave anything above ground level to a survey.
Keep a simple record: dates of leaks, photos from the ground and any work done on the roof. Send it with your enquiry and it will help the survey.
What we look for on each type of roof
Single-ply membranes
Single-ply can be punctured by tools or fixings. ELD can locate them.
EPDM rubber roofs
Some EPDM membranes conduct electricity, which can rule out some methods. We will say if the test won’t work.
Flat roofs in Nunhead
About 2.4 miles north-east lies Queen's House, a reminder of how long the area around Nunhead has been built on. Period homes nearby can have lead valleys, tall chimneys and a patchwork of past repairs, and a listed home or one in a conservation area may need consent for changes of material. Many homes in inner London are Victorian and Edwardian terraces, often with Welsh slate roofs. Behind many of their parapets sit butterfly roofs and valley gutters that can’t be seen from the pavement. In a house like that, shared stacks, party-wall upstands and lead flashings all need looking at as far as they can be seen. Flat roofs fill the gaps in between, on extensions, garages, dormers and business premises.
If you own a rental within reach of Nunhead station, the flat roof over a let home is worth a look before it becomes a tenant complaint. For an older house near a landmark such as Saint Antony with Saint Silas, 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 look after a building such as Ivydale Primary School, large flat roofs, common on schools and other public buildings, need their outlets, upstands and coverings checked regularly.
Nunhead is about 1 mile south-west of New Cross, in Greater London. We cover Nunhead and the rest of Greater London, as part of our work across London and South East England. Our area takes in places right across Greater London, from the larger towns to small villages.
Every address in SE15, SE4 and SE14 is covered for electronic leak detection, from the main roads to the quietest streets. Local streets include Rye Road, Nash Road and Kitto Road, and we cover them all. We also cover the places around Nunhead: Telegraph Hill (1 mile north-east), Honor Oak (1 mile south), Peckham (1 mile north-west), New Cross (1 mile north-east) and Brockley (1 mile south-east). Larger places within reach include London (3 miles north-west), City of Westminster (6 miles north-west), Marylebone (6 miles north-west), Kensington (7 miles west), St Pancras (5 miles north-west) and Shoreditch (5 miles north).
Around Nunhead
Locally, jobs take us to homes and businesses close to The Ivy House, Peckham Rye and Allenby Tutorial Trust and the streets around them. Nunhead has its own railway station: Nunhead station. A little further out are Greenwich Castle (2.4 miles north-east) and Lewisham Shopping Centre (1.7 miles east). The countryside around Nunhead includes Knight's Hill and One Tree Hill.
Tips that help
From years of surveys, a few habits stand out:
- Check trades protect the waterproofing
- Check new waterproofing before handover
- Note where leaks show inside and when
- Limit access to the roof
Wet insulation may need attention after a leak. That’s something to discuss with your roofer and other checks can help judge it.
Keep outlets and gutters on flat roofs clear. Water that sits on the roof finds breaches faster.
Why get it checked now?
Leaks left running can wet the insulation and deck. Finding the breach sooner limits that. A hidden valley or parapet gutter on a London house can hold water for weeks before anyone notices. By the time a ceiling stains, the timbers underneath may have been wet for a while.
Every price we give includes VAT. Electronic leak detection is quoted for your roof, because the method depends on the roof. We confirm the exact price before booking.
Why book with us
- Independent findings on the roof’s condition
- Visits on any day of the week
- Every finding written up with photos
- 98% of clients satisfied
What affects the price in Nunhead
Prices always include VAT. The things that change the price are:
- How big the roof is
- The use of thermal imaging or a drone
- The number of roofs, including extensions and garages
- House, block, shop or office
What a survey costs comes down to the roof itself: 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.
Helping us price your survey
Getting the details right at the start saves time. Please include:
- Pictures of the roof from a safe spot, if you have them
- Where water is showing inside, if it is
- The kind of building and roof involved
- Whether there is a loft hatch, a shared roof or tricky access
We confirm the price for your roof before booking, so you know where you stand. Electronic leak detection is quoted for your roof, because the method depends on the roof. For a price for your roof, phone 07833 053749 or email us.
What happens on the day
We work from the outside in: outside views come first, then the loft space if there’s safe access. In total, it takes a length of time set by the roof’s area and construction, which we set out in the quote. Surveys in Nunhead can be booked for any day of the week. It helps if you can point us to a visitor permit or a nearby bay. A back bedroom window can be the best vantage point for a rear addition, so we may ask to use one.
- First, we confirm which roof areas are included.
- 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.
How to prepare
- If the roof is shared, arrange access with whoever manages the building
- If you are buying, check with the agent that we can get in
- Mention any parking restrictions on your street
Arrange a survey
Most bookings start with a short call: ring 07833 053749 or send us an email. You’ll have a price before anything is arranged.