Greater London · London and the South East
Fish Island Electronic Leak Detection
Electronic leak detection to pinpoint holes in flat roof membranes for Fish Island, from an experienced roof surveyor. You get a clear written report with photos.
- Leaking laps in the waterproofing
- Damp inside with no sign on the roof
- Holes around roof penetrations
Electronic leak detection for homes and businesses in Fish Island
Water can travel under a flat roof membrane before it shows inside. So the stain inside rarely sits under the hole. ELD tests the waterproofing directly and locates the breach. We test and report and leave the repair to your roofer. On suitable roofs, it replaces guesswork with a located breach. The results then follow in a written report with photos. If you are worried about leaks that return after repairs and leaking laps in the waterproofing, a survey will tell you what’s going on, whatever the roof.
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 Fish Island, the flat roof is often a shared part of the building.
The report is yours to share with whoever needs it: a seller or estate agent, an insurer, a roofer, a builder or a managing agent.
- Location
- Fish Island (E3, E9, E20)
- Region
- Greater London
- Price
- Quoted for your roof
- Your report
- A written report with photos, by email
- Survey days
- Weekdays and weekends
- Insured
- PI and public liability insurance
- Call
- 07833 053749
- Last updated
- 27 October 2026
What we look for on each type of roof
Green and ballasted roofs
ELD is easier on a new roof before it is covered.
Inverted and paved roofs
On inverted roofs, insulation sits above the membrane and that changes how testing works.
Questions from Fish Island
Do you look at commercial flat roofs near Fish Island, like hotels?
Yes, commercial flat roofs are part of what we cover. Larger commercial roofs are quoted for the building.
Is parking a problem for a survey in Fish Island?
Sometimes, yes. Where there are permit zones, a visitor permit or nearby pay-and-display bay works well, and a driveway is even better.
Can you inspect my roof with a drone?
Yes, where it’s applicable. Flights depend on the weather on the day and airspace rules, including flight restriction zones near airports. We’re a CAA-registered drone operator.
Do I need to be at home?
If the survey includes the loft or the inside of the building, someone needs to let us in. We will talk about access when you book.
How long will testing take?
It normally takes more time on a big roof than a small one, and the build-up of the roof makes a difference too.
Do you need to get into the loft?
If there is a loft and safe access to it, yes. The loft space can show things the outside can’t, such as damp timbers, staining or daylight.
Is this a RICS survey?
No. It is a specialist roof survey, not a RICS Level 2 or Level 3 building survey. It focuses on the roof and can sit alongside a RICS survey.
Do you need electronic leak detection in Fish Island?
Seams are a common weak point in flat roof waterproofing. A gap that is hard to see can let water in long before anyone notices.
We’re often asked to look at:
- Waterproofing to test before it’s covered
- Leaks through a flat roof with no obvious cause
- Patched roofs that still leak
- Breaches hidden under paving or planting
If you let a flat or house near Hackney Wick station, a flat roof over a rented flat is easy to forget until the tenant reports a leak.
Choosing a roof surveyor
- Whether the inside of the roof is included
- What’s outside the scope of the survey
- Is there a chance to talk the report through?
- Is VAT included in the price?
What electronic leak detection does not cover
In fairness, there are limits to any roof survey:
- Water entering through details rather than the membrane
- Carrying out the repair work
- Some conductive membranes
If in doubt, call 07833 053749 or use the contact form and we’ll suggest the right survey. The full list of what we check.
Roofs we survey in Fish Island
- Commercial flat roofs
- Liquid-applied waterproofing
- Single-ply roofs
- Flat roof membranes
- Roof terraces and balconies
- Green roofs
Checking the roof from ground level
A DIY look is useful, but it isn’t a survey. You won’t see flashings, valleys or the backs of chimneys properly from the ground.
Fresh stains on ceilings or walls after rain are worth noting. Take a photo and write down when you saw it, which helps when we check the roof.
What electronic leak detection looks like in Fish Island
Fish Island has a number of hotels within about a mile and a half. For hotels and other commercial buildings, finding the cause of a flat roof leak quickly keeps rooms in use. Sutton House, about 1.3 miles north-west, is one of the historic houses in the wider area around Fish Island. Period homes nearby can have lead valleys, tall chimneys and a patchwork of past repairs.
For an older house near a landmark like St Mary of Eton, the joins between later flat roofs and the old walls are where problems typically start. If you look after a building like Mossbourne Riverside Academy, a large flat roof with a good many outlets and rooflights has many places where a membrane can fail.
Fish Island is about 1 mile west of Stratford, in Greater London. Fish Island gets the same service as everywhere else we work: a careful inspection, photographs and a written report. Our Greater London coverage includes Fish Island and the places around it.
Surveys in E3, E9 and E20 work the same way as everywhere else we cover. Whether your property is on Wick Lane, Dace Road and Wyke Road or anywhere close by, we can survey it. Nearby, we also carry out electronic leak detection in Hackney Wick (1 mile north), Old Ford (1 mile south), Donnybrook Quarter (1 mile south-west), Bow (1 mile south) and East Village (1 mile north-east). Within a short drive, we also cover London (4 miles south-west), City of Westminster (6 miles west), Marylebone (6 miles west), Kensington (8 miles west), St Pancras (4 miles west) and Shoreditch (3 miles west).
Near you in Fish Island
Locally, jobs take us to homes and businesses close to Mulberry UTC, Grove Hall Park and The Lea Tavern. There’s a railway station in Fish Island itself: Hackney Wick station. A little further out are V&A East (within half a mile east) and Tower of London (3.1 miles south-west). The countryside around Fish Island includes Hollow Pond and Tower Hill.
What a survey costs
We confirm the price for your survey before you book. These are the things that affect it:
- The shape of the roof and its details
- The size of the roof
- If the survey needs thermal imaging or a drone
- The number of roofs, including extensions and garages
To find out what your survey will cost, phone 07833 053749 or email us and tell us about the roof. We’ll confirm the figure before booking.
Helping us price your survey
There’s no need for technical words. Just let us know:
- The reason for the survey, such as buying, a leak or storm damage
- How the loft is reached, if there is one
- Your postcode, so we can check access and travel
- Any stains, drips or damp patches you’ve seen indoors
You can call us seven days a week, including Saturdays and Sundays. For a price or to book, phone 07833 053749 or email us.
The survey, step by step
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. All in, the survey usually takes a time that depends on the size of the roof and how it’s built, and we’ll give you a guide when quoting. For a visit in Fish Island, 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. We then look at everything that’s safely in view from ground level, windows, the loft and, where it is safe, the roof itself.
- You tell us about the roof and where water is showing.
- The roof is assessed for suitability first.
- 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.
Before we arrive
- Have any questions written down, so nothing gets missed
- Mention any parking restrictions on your street
- Agree roof access with the managing agent if it is shared
Getting a price
We survey roofs on weekdays and at weekends. To find a date that works for you, ring 07833 053749 or drop us an email.