Greater London · London and the South East
Electronic leak detection in Waterloo, Greater London
Electronic leak detection to pinpoint holes in flat roof membranes around Waterloo, with findings in writing and pictures to back them up. Book a weekday or weekend visit.
- A flat roof leak that can’t be traced
- Leaks that return after repairs
- New membranes needing a check before handover
Different roofs, different checks
Inverted and paved roofs
A terrace or paved roof hides the waterproofing. Suitability depends on the layers.
Bituminous membranes
Older felt roofs often have seams and patches that can leak. We test where the roof suits it.
Electronic leak detection for homes and businesses in Waterloo
A leak in a flat roof often shows up a long way from where the water gets in. That makes leaks hard to trace by eye. Electronic leak detection tests the membrane itself and locates the breach. It’s testing only, and the repair is for your roofer. On suitable roofs, it replaces guesswork with a located breach. We then send you the results in a written report. We survey single-ply roofs, commercial flat roofs and flat roof membranes, and people most often book us about new roofs to check before paving or planting and leaks at pipes, outlets or fixings.
Offices, shops and blocks of flats across London frequently have large flat roofs with plant, rooflights and walkways. Every penetration and upstand is a place where a membrane can fail. In Waterloo, roof access is agreed with the building manager or owner beforehand. Plant bases, rooflights and cable entries are all places where water can get in.
You can share the report with anyone who needs it: a seller or estate agent, an insurer, a roofer, a builder or a managing agent, whichever applies.

- Location
- Waterloo (SE1, SE11, WC2N)
- Region
- Greater London
- Cost
- Quoted for your roof
- Reports
- A written report with photos, by email
- Appointments
- Weekdays and weekends
- Insured
- Professional indemnity and public liability
- Call
- 07833 053749
- Page updated
- 27 October 2026
For landlords and managing agents
Businesses and commercial landlords can book us too, including offices, shops and units. Bigger roofs take more time, so they’re priced to suit.
Letting agents can arrange access with tenants. Surveys run seven days a week, which can make access easier.
Nearby places to Waterloo
More services for Waterloo
Flat roofs in Waterloo
Waterloo has a number of hotels within about a mile and a half, and like offices and blocks, hotels frequently sit under flat roofs. If you look after one, a leak through a flat roof can put a room out of use. 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. 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 on extensions, dormers, garages and business units are found alongside them almost everywhere.
If you live in an older home near Christ Church, flat-roofed rear additions and dormers added over the years are worth checking. For landlords with property near London Waterloo station, the flat roof over a let home is worth a look before it becomes a tenant complaint.
Waterloo is about 1 mile west of London, in Greater London. Waterloo gets the same service as everywhere else we work: a close look at whatever is safely visible, photographs and a clear written report. Our area takes in places right across Greater London, from the larger towns to small villages.
Postcode districts we cover here for electronic leak detection: SE1, SE11 and WC2N. We offer electronic leak detection to properties on York Road, Spur Road and Bear Lane. You’ll find Waterloo on the A301 and A302, so it’s easy for us to get to. If you are just outside Waterloo, we cover South Bank (1 mile north-west), Bankside (1 mile north-east), Adelphi (1 mile north-west), Temple (1 mile north) and Charing Cross (1 mile north-west). We also work in nearby towns like Kensington (4 miles west), Walthamstow (7 miles north-east), Hoxton (3 miles north-east), Hampstead (5 miles north-west), Ruislip (14 miles west) and Orpington (12 miles south-east).
What’s near Waterloo
Around Waterloo, our work takes us to homes and buildings near Jubilee Gardens, Oasis Academy South Bank and Lambeth Palace Library and the streets around them. You will also find The Duke of Sussex pub (less than half a mile east) and Oasis Academy South Bank (within half a mile south). There’s a railway station in Waterloo itself: London Waterloo station. Nearby you will also find Gabriel's Wharf (0.5 miles north) and Baynard's Castle (0.9 miles north-east). Green spaces nearby include Ludgate Hill and Bellenden Road Nature Garden.
What happens on the day
We work from the outside in: first the slopes, edges and gutters from every safe viewpoint, then the roof space where it can be reached. All told, expect more time on a big roof than a small one, with the construction of the roof playing a part too. Surveys in Waterloo can be booked for any day of the week. It helps if you can point us to a visitor permit or a nearby bay, and to clear a path to the loft hatch. A back bedroom window can be the best vantage point for a rear addition, so we may ask to use one.
- We start with what you know about the roof and the leak.
- We check whether the membrane and build-up suit ELD.
- The test method is chosen to suit the roof.
- We test the roof and locate any breaches.
- A report with photographs shows where each breach is.
How to prepare
- Make a note of anything you’d like us to look at
- If you’re buying, check with the agent that we can get in
- Agree roof access with the managing agent if it’s shared
How to book
A quick phone call is normally the easiest start: call 07833 053749 or send us an email, and we will ask about the building and what you need. The price is agreed before a date is set.
Advice
When to book a survey in Waterloo
Joints and laps in a membrane can fail over time. A gap that’s hard to see can let water in for months before it shows.
Here are some of the things we see often:
- Holes left by work on the roof
- Holes around roof penetrations
- Leaks showing away from the breach
- Leaks through a flat roof with no obvious cause
If you look after a shop, office or commercial unit, for example near Gabriel's Wharf, outlets and upstands on commercial flat roofs are the places to check before trouble starts.
Before you book any roof surveyor
- How soon the report will arrive
- Their insurance cover
- Which limits apply to the survey
- Whether the loft space is looked at, where there is one
Practical tips
These tips come from what we see on roofs every week:
- Avoid repeated repairs without finding the cause
- Clear flat roof outlets regularly
- Get leaks traced quickly
- Tell us about the membrane and build-up if you know it
You receive a report showing where each breach was found, with photos. Pass it to your roofer to repair the breach points.
Clear flat roof outlets regularly. Standing water puts more pressure on any weak point.
Your questions about electronic leak detection in Waterloo
Do you cover commercial flat roofs around Waterloo?
Yes. As well as homes, we check flat roofs on offices, hotels, blocks of flats and commercial units. Larger commercial roofs are quoted for the building.
Is parking a problem for a survey in Waterloo?
In much of London, parking needs planning: a visitor permit or a bay close to the door helps a lot, so mention what’s available when you book.
Can you tell me if my roof has asbestos?
No. Asbestos surveys and testing are not part of what we do. We flag materials that could contain asbestos, such as cement sheets or soffits on pre-2000 buildings.
Do you cover Waterloo?
Yes. We survey roofs across London and South East England, Waterloo included.
Are you insured?
Our cover is professional indemnity plus public liability, and details are available on request.
Will you repair the leak?
No. We test the membrane and report. The report shows where each breach is so your roofer can fix them.
How many surveys have you done?
More than 5,000 surveys over 20+ years.
Honest limits
In fairness, a roof survey has limits:
- Roofs whose membrane or build-up isn’t suitable
- Parts of the roof covered by fixed equipment
- Repairing the breaches (that is for your roofer)
Not sure which survey suits your roof? You can ring 07833 053749 or email us and we will tell you before you book. What a survey covers and does not.
Roofs we survey in Waterloo
- Commercial flat roofs
- Roof terraces and balconies
- Single-ply roofs
- Liquid-applied waterproofing
- Flat roof membranes
- Green roofs