Greater London · London and the South East
Barbican Estate Electronic Leak Detection
Electronic leak detection around Barbican Estate, with a written report you can act on. Weekday and weekend visits available.
- Leaks at pipes, outlets or fixings
- Leaks through a covered membrane
- Leaks that return after repairs
About our electronic leak detection in Barbican Estate
Electronic leak detection, or ELD, finds holes in flat roof waterproofing membranes. It uses a small electrical current which can only get through the membrane at a breach. It can find holes too small to spot by eye, so your roofer can repair them. You get a photo-illustrated written report of each breach found. We survey flat roof membranes, commercial flat roofs and roof terraces and balconies, and people most often book us about leaks through a flat roof with no obvious cause and holes left by work on the roof.
London has a lot of flat roofs: rear additions, dormers, roof terraces and the roofs of blocks and offices. Coverings range from felt and asphalt to EPDM rubber, GRP fibreglass and single-ply membranes, each with its own weak points. Which one is on a roof in Barbican Estate shapes how it’s checked. Older flat roofs are often felt or asphalt, newer ones rubber or GRP.
The report doesn’t just list problems. It explains what we found, why it matters and what we recommend, so you can decide what to do next.
- Where
- Barbican Estate (EC1V, EC2A, EC1Y)
- Wider area
- Greater London
- Price
- Quoted for your roof
- Reports
- A written report with photos, by email
- Appointments
- Weekdays, Saturdays and Sundays
- Cover
- PI and public liability insurance
- Phone
- 07833 053749
- Last updated
- 27 October 2026
Electronic leak detection in Barbican Estate: local notes
Inner London’s Victorian and Edwardian terraces often have Welsh slate roofs. A butterfly roof with a central valley gutter, tucked behind a parapet wall, is common on these houses. Lead flashings, party-wall upstands and shared chimney stacks are typical of these houses, if yours is one of them. Mixed in with those pitched roofs are lots of flat ones, over rear extensions, dormers, garages and shops. Barbican Estate has a number of hotels within about a mile and a half, and hotels, like offices and blocks of flats, often have flat roofs. For hotels and other commercial buildings, finding the cause of a flat roof leak quickly keeps rooms in use.
For hotels and guest houses around Barbican Estate, a roof problem found early is far less disruptive than one found by a guest, so it is worth knowing the roof’s condition. Mansion House, about 0.5 miles south-east, is one of the historic houses in the wider area around Barbican Estate. If your home is older, its flat-roofed extension or dormer may be on its second or third covering.
Barbican Estate is about 1 mile north of London, in Greater London. We survey roofs in Barbican Estate and the rest of Greater London, as part of our work across London and South East England. Barbican Estate is one of the towns and villages in Greater London we cover.
Every address in EC1V, EC2A and EC1Y is covered for electronic leak detection. We cover properties on Oat Lane, Shoe Lane and Long Lane. Barbican Estate sits on or near the A1 and A40, so getting to you is simple. Neighbouring places we cover for electronic leak detection include Finsbury (1 mile north), City of London (1 mile south), St Luke's (1 mile north), Bishopsgate (1 mile east) and Aldgate (1 mile south-east). Further out, we also cover City of Westminster (3 miles west), Kensington (5 miles west), Walthamstow (6 miles north-east), Hampstead (4 miles north-west), Ruislip (14 miles west) and Brompton (3 miles south-west).
Landmarks near Barbican Estate
In Barbican Estate, that means homes and buildings near Barbican Conservatory, Central Foundation Boys' School and Barts Health Archives, among other places. Other local landmarks include Charterhouse Square School (under half a mile north-west), St Mary-at-Hill (0.8 miles south-east) and The Jugged Hare pub (within half a mile north-east). Barbican Estate has its own railway station: Moorgate station. A little further out are St Luke's Hospital for Lunatics (0.5 miles north-east) and Gabriel's Wharf (1 mile south-west). For a walk, there’s Barnsbury Wood and St. James's Park Lake.
How it works
Expect us to ask a few questions before we start, about the roof’s history, any leaks and past repairs. The inspection then takes as long as needed for the roof’s area and construction, which we’ll explain when we quote. In converted houses and mansion blocks, the loft hatch is often on a shared landing. If that applies to your building, it is useful to agree access with the neighbours or the managing agent first. Otherwise, the visit in Barbican Estate runs like any other.
- We agree the area to be tested.
- We get the roof ready for testing.
- 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.
Before the survey
- For a flat or shared roof, check access with the freeholder or managing agent
- Find any records of previous roof work
- Note where any stains or damp appear
Getting a price
You can call us seven days a week, including Saturdays and Sundays. For a price or to book, call 07833 053749 or send us an email.
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Places near Barbican Estate
What else we do in Barbican Estate
Surveys for landlords and agents in Barbican Estate
Buyers’ agents can book surveys on behalf of their clients. The report is emailed, so it can go straight to your client.
Managing agents and residents’ management companies use roof surveys to plan maintenance. Recommendations are set out by urgency where it matters, which helps when budgeting.
When to book a survey in Barbican Estate
Roofs covered with paving, ballast or planting hide the membrane. ELD can work on some covered roofs, depending on the build-up.
Here are some of the things we see often:
- Stains far from any visible defect
- Leaks at pipes, outlets or fixings
- Damage from equipment installers
- Leaks under green or ballasted roofs
If you look after a shop, office or commercial unit, for example near Gabriel's Wharf, a flat roof over a business is out of sight and out of mind until it leaks.
Before you book any roof surveyor
- What the survey won’t cover
- Whether they hold professional indemnity and public liability insurance
- Do they have a CAA Flyer ID and Operator ID for drone work?
- Which viewpoints they use to see the roof
Common questions in Barbican Estate
Does a conservation area affect roof work in Barbican Estate?
Check Historic England’s online list first, then ask the council about conservation areas and any Article 4 direction. It matters most if you’re planning to re-roof in a different material.
Do you cover commercial flat roofs around Barbican Estate?
Yes. As well as homes, we look at flat roofs on offices, hotels, blocks of flats and commercial units. For a bigger roof, you will get a quote based on the building.
When does the report arrive?
Basic reports arrive within 48 hours, Standard reports in 24–48 hours and Premium reports on the same day. Each one is emailed.
Can you survey a shared roof?
Yes, as long as access is agreed. The roof of a block or converted house is frequently shared, so we need permission from the building owner or managing agent. We inspect only the parts we are allowed to reach.
Do you work in Barbican Estate?
Yes. We carry out electronic leak detection in Barbican Estate.
What happens next?
You will receive the report by email, and what you do next is up to you: raise it with a seller, send it to an insurer, brief a roofer or share it with a managing agent.
Do you take photos of the roof?
Yes. Photos are part of every report, so you can see exactly what each finding refers to.
Leave it or get it looked at?
Leaks left running can wet the insulation and deck. Locating it early helps limit the damage. Behind a London parapet, a blocked gutter can sit full of water without anyone seeing it. When the stain finally shows, the damage underneath is often older than it looks.
The cost of a survey depends on the roof: how big it is, how high it is, the number of separate roofs and how safely it can be seen. Electronic leak detection is quoted for your roof, because the method depends on the roof.
Why us?
- A photo-illustrated written report
- PI and public liability insurance
- Drone and thermal imaging surveys available
- 5,000+ surveys completed
Take a look at our cost guide or two real surveys.
When you need someone else
It helps to know what a survey will not do before you book:
- Sections we can’t safely access
- Some conductive membranes
- How wet the insulation is
If in doubt, call 07833 053749 or drop us an email and we will point you to the right survey. The full list of what we check.
Roof types and parts we check
- Flat roof membranes
- Liquid-applied waterproofing
- Green roofs
- Commercial flat roofs
- Single-ply roofs
- Roof terraces and balconies
How the survey changes by roof type
Single-ply membranes
Single-ply membranes are common on commercial and newer roofs. Seams and penetrations are typical breach points.
Liquid-applied waterproofing
Testing a liquid-applied roof depends on what’s beneath the coating.