Greater London · London and the South East
Electronic leak detection in Honor Oak, Greater London
An experienced roof surveyor for electronic leak detection in Honor Oak. Over 5,000 surveys and 20+ years behind us.
- Leaks at pipes, outlets or fixings
- Patched roofs that still leak
- Leaks showing away from the breach
DIY checks: what’s safe
Keep a simple record: when leaks happen, ground-level photos and any past roof work. Send it with your enquiry.
You can learn a lot from ground level. Binoculars help you spot slipped slates or tiles, gaps along the ridge and a leaning stack. Please do not climb up for a closer look.
Electronic leak detection in Honor Oak: what you get
Roofs covered with paving, ballast or planting need more thought. What sits on the membrane can affect which method will work and parts may need to be lifted. We talk this through before we quote. Drawings or details of the roof’s layers are useful, as they show what lies beneath the surface. If testing isn’t possible, we’ll say so. We survey green roofs, flat roof membranes and roof terraces and balconies, and people most often book us about leaks that return after repairs and new membranes needing a check before handover.
London has a lot of flat roofs: rear additions, dormers, roof terraces and the roofs of blocks and offices. They’re covered in felt, asphalt, EPDM rubber, GRP fibreglass or single-ply membranes, each with its own weak points. Which one is on a roof in Honor Oak shapes how it’s checked. Older flat roofs are often felt or asphalt, newer ones rubber or GRP.
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.

- Location
- Honor Oak (SE23, SE22, SE4)
- Wider area
- Greater London
- Cost
- Quoted for your roof
- Report
- Emailed report with photos and recommendations
- Appointments
- Weekdays, Saturdays and Sundays
- Cover
- Professional indemnity and public liability
- Call
- 07833 053749
- Last updated
- 27 October 2026
Flat and commercial roofs around Honor Oak
Welsh slate on Victorian and Edwardian terraces is a familiar sight across inner London. A butterfly roof with a central valley gutter, tucked behind a parapet wall, is common on these houses. Shared chimney stacks, party-wall upstands and lead work come with this kind of house. Flat roofs on extensions, dormers, garages and business units are found alongside them almost everywhere. With Kingswood House about 1.9 miles south-west, Honor Oak sits in an area with a long building history. If your house is among the older ones, expect a mix of original materials and later repairs on the roof, and any change of roofing material on a listed home needs checking with the council first.
Controlled parking zones are common in London, so mention any permit rules for Honor Oak. If you let a flat or house near Honor Oak Park station, flat roofs over rear additions and dormers in rented property are worth checking between tenancies. If you look after a shop, office or commercial unit, for example near Lewisham Shopping Centre, flat roofs over shops and units are easy to forget until water comes through a ceiling.
Honor Oak is about 2 miles south-west of New Cross, in Greater London. We visit Honor Oak as part of our work across Greater London. Honor Oak is one of the places in Greater London where we work.
Surveys in SE23, SE22 and SE4 are booked the same way as anywhere else. That includes homes and businesses on Rye Road, Ewart Road and Bovill Road. If you’re just outside Honor Oak, we cover Forest Hill (1 mile south), Brockley (1 mile east), Crofton Park (1 mile east), Nunhead (1 mile north) and Telegraph Hill (1 mile north). Further out, we also cover London (4 miles north-west), City of Westminster (6 miles north-west), Marylebone (6 miles north-west), Kensington (7 miles north-west), St Pancras (6 miles north-west) and Shoreditch (5 miles north).
Around Honor Oak
Around Honor Oak, our work takes us to homes and buildings near Allenby Tutorial Trust, Peckham Rye and Herne Tavern. Honor Oak has its own railway station: Honor Oak Park station. Well-known places in the area include Lewisham Shopping Centre (1.9 miles north-east) and Horniman Museum and Gardens (0.8 miles south-west). Open spaces near Honor Oak include One Tree Hill and Battersea Park Lake.
Before and after the survey
From years of surveys, a few habits stand out as worth the effort:
- Limit access to the roof
- Use boards when working on the roof
- Clear flat roof outlets regularly
- Check new waterproofing before handover
Questions about the results are welcome. We can talk you through the findings.
ELD before paving, ballast or planting goes on is worth considering. Finding breaches is simpler at that stage.
How it works
Expect us to ask a few questions before we start, such as when any problem began and what work has been done before. The inspection then takes a length of time set by the membrane area and the build-up, which we’ll explain when we quote. For a visit in Honor Oak, parking and access are the things to plan: tell us about permits, visitor bays or off-street space, which floor the property is on and how to get into the loft. On the day, the roof is looked at from the ground, from windows, from inside the roof space and from the roof where it’s safe.
- 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.
- Each breach found is located and recorded.
- You receive the results to pass to your roofer.
How to prepare
- Dig out any old roof reports or invoices
- Let us know about parking near the property
- If you are buying, check with the agent that we can get in
How to book
If you have photos of the roof, send them over. Take them safely from the ground or a window, and please don’t climb up for a closer look. To send them or to book, ring 07833 053749 or use the contact form.
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What this survey cannot tell you
It is a careful look at the flat roof membrane, not the whole story. The main limits are:
- The extent of water in the insulation
- Fixing the holes we find
- Areas we can’t reach or that can’t be tested
If in doubt, call 07833 053749 or email us and we’ll recommend the right survey before booking. What our survey covers.
What we check
- Green roofs
- Commercial flat roofs
- Single-ply roofs
- Liquid-applied waterproofing
- Flat roof membranes
- Roof terraces and balconies
Leave it or get it looked at?
Opening up a roof to hunt for a leak is disruptive. Electronic testing finds the hole first so your roofer knows where to work. In Honor Oak, as across London, an overflowing gutter soaks the wall below, which can lead to damp inside. A small blockage left for a few winters becomes a damp problem.
Every price we give includes VAT. Electronic leak detection is quoted for your roof, because the method depends on the roof. You’ll know the price for your roof before you book.
Why us?
- Two decades and more of roof surveys
- Surveys seven days a week
- More than 5,000 surveys completed
- Photos and a written report every time
See our cost guide or two real surveys.
For landlords and managing agents
If the property is let, the agent or a tenant can let us in, at a time agreed beforehand. Surveys run seven days a week, which helps when tenants work during the week.
We survey roofs for landlords and letting agents as well as homeowners. A report with photos gives you a clear record of the flat roof membrane, useful for planning maintenance.
Places near Honor Oak
More services for Honor Oak
Questions from Honor Oak
Does a conservation area affect roof work in Honor Oak?
You can check whether a building is listed on Historic England’s list, and your council can tell you if it’s in a conservation area. If a home is listed, changes that affect its special interest need listed building consent, and in a conservation area re-roofing in different materials may need permission.
Do you cover Honor Oak?
We do. Every survey there gets the same written report with photographs.
Can you find leaks on a covered flat roof?
It can be possible, depending on the roof. What sits on the membrane affects the method so we check the roof first.
Do you use drones?
Where it helps and the rules allow, yes. Our sub-250g drone is flown by a CAA-registered operator with a Flyer ID and Operator ID, and every flight depends on the airspace and the weather.
How does ELD work?
The waterproofing membrane normally stops an electrical current, but a hole lets it through. That lets us find breaches that are too small to see.
Are you insured?
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.
Can you survey in bad weather?
Some surveys depend on the weather more than others. Drones can’t fly safely in strong wind or heavy rain, and thermal imaging works best with a dry roof, little wind and a sunny day beforehand. We’ll rearrange with you if the weather is not right.