Greater London · London and the South East
Electronic Leak Detection in Old Oak Common
Wondering about the flat roof membrane at a property in Old Oak Common? We carry out electronic leak detection in Old Oak Common and across Greater London.
- Damage from equipment installers
- Patched roofs that still leak
- Stains far from any visible defect
Rented homes, blocks and businesses
We survey roofs for letting agents and landlords as well as homeowners. The report gives you a dated record of the flat roof membrane, with photos.
Surveys can also be booked by buyers’ agents acting for a client. The report is emailed, so it can go straight to your client, photographs included.
Electronic leak detection in Old Oak Common
Water can travel under a flat roof membrane before it shows inside. So the stain inside rarely sits under the hole. Electronic leak detection tests the membrane itself, to find where it has been breached. We test and report, and the repair is for your roofer. On suitable roofs, it replaces guesswork with a located breach. The results then follow in a written report with photos. We survey liquid-applied waterproofing, green roofs and commercial flat roofs, and people most often book us about leaks through a flat roof with no obvious cause and leaks that return after repairs.
On a London roof terrace or a flat roof over a back addition, water frequently runs under the covering before it shows. Upstands against parapets, outlets and the edge where flat meets pitched are common entry points. In a block or conversion in Old Oak Common, the flat roof is often a shared part of the building.
The report is written in plain words, so you do not need to be a roofer to follow it. Each point is backed by a photograph where possible, and recommendations are put in order of urgency where relevant.
- Location
- Old Oak Common (NW10, W3, NW26)
- Region
- Greater London
- Price
- Quoted for your roof
- Reports
- Written, with photos, emailed to you
- Survey days
- Monday to Sunday, daytime
- Insured
- Professional indemnity and public liability
- Call
- 07833 053749
- Page updated
- 27 October 2026
Flat and commercial roofs around Old Oak Common
There are several hotels within about a mile and a half of Old Oak Common, and hotels, like offices and blocks of flats, often have flat roofs. If you look after one, a leak through a flat roof can put a room out of use. Outer London has plenty of Victorian and Edwardian terraces with slate roofs, but also a great many interwar semis, often with hipped roofs in clay or concrete tiles. On a semi of that age, the small roofs over the bays, the hip tiles and any later dormer each need their own look. Alongside them, flat-roofed extensions, dormers, garages and commercial units are common almost everywhere.
Take a building like Old Oak Primary School: ponding and blocked outlets on a wide flat roof are worth catching before the next wet season. The streets around a church such as Church of Eritrean Orthodox Brent are often among the oldest in a place, and if yours is one of the older homes nearby, flat-roofed rear additions and dormers added over the years are worth checking. Historic houses such as Kelmscott House, about 2.5 miles south, show how far back building around Old Oak Common goes. Older homes nearby may have later flat-roofed extensions or dormers, often re-covered more than once.
Old Oak Common is about 1 mile south of Harlesden, in Greater London. Old Oak Common is part of the area we cover and the surrounding area as part of our work across London and the South East. Across Greater London, we cover Old Oak Common and the places around it. You can also see our page for London.
We survey roofs across the NW10, W3 and NW26 postcode area for electronic leak detection. Whether your property is on Atlas Road, Tubbs Road and Waldo Road or a nearby road, we can help. We also cover the places around Old Oak Common: College Park (1 mile north-east), Harlesden (1 mile north), Kensal Green (1 mile east), Park Royal (1 mile west) and North Kensington (1 mile east). Further out, we also cover London (7 miles east), City of Westminster (4 miles east), Marylebone (4 miles east), Kensington (3 miles south-east), St Pancras (6 miles east) and Shoreditch (7 miles east).
Local landmarks in Old Oak Common
We work in homes and buildings around Green Man Public House, Library for Iranian Studies and Star Chamber Academy, among other places. You’ll also find Little Wormwood Scrubs (0.8 miles east) and St Claudine's Catholic School for Girls (0.8 miles north). There’s a railway station in Old Oak Common itself: Willesden Junction station. Nearby you will also find Westfield London (1.7 miles south-east) and Hammersmith Hospital (0.8 miles south-east). The countryside around Old Oak Common includes Hanger Hill Wood and Campden Hill.
Tips that help
Some practical points come up on survey after survey. They’re worth knowing whatever the roof:
- Consider ELD before paving or planting goes on
- Avoid repeated repairs without finding the cause
- Ask contractors to protect the membrane
- Do not leave water getting in
You receive a report showing where each breach was found, with photographs. Pass it to your roofer to repair the breach points.
ELD before paving, ballast or planting goes on is worth considering. Finding breaches is simpler at that stage.
Old Oak Common questions
Do you cover commercial flat roofs around Old Oak Common?
Yes, we cover commercial roofs as well as homes. Roof access is agreed with the building manager or owner beforehand.
Can parking be tricky for a visit in Old Oak Common?
Typically it’s manageable with a little notice. Let us know the parking rules on your street and we will work around them.
Are you structural engineers?
No. We are roof surveyors, not structural engineers. If we see signs that need an engineer’s opinion, we’ll recommend one.
Is it the same as a RICS Level 2 or Level 3 survey?
No. Our survey looks at the roof, not the whole building. For the rest of the building, a RICS home survey is a separate job.
Will you repair the leak?
No. ELD is testing only. 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.
Do you carry professional indemnity insurance?
We’re covered by professional indemnity and public liability insurance.
What happens if roof problems are left?
Opening up a roof to hunt for a leak is disruptive. Electronic testing finds the hole first, so the repair can be targeted. Any roof job in Old Oak Common means planning around parking, neighbours and access. Knowing what’s needed early gives you time to plan it calmly, rather than in a rush after a leak.
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 exact price before you book.
Why choose Independent Roof Survey in Old Oak Common
- Customer satisfaction of 98%
- Thermal imaging and drones used where they help
- Surveys seven days a week
- Professional indemnity and public liability insurance
Take a look at what a roof survey costs and our case studies.
How it works
We look at the roof from outside and, where it is relevant and there’s safe access, from inside the roof space too. In the loft, the signs we look for are staining, damp, daylight and sagging, as far as the space allows. The whole visit typically takes a time that depends on the membrane area and the build-up, and we’ll give you a guide when quoting. Surveys in Old Oak Common can be booked for any day of the week. It helps if you can point us to a visitor permit or a nearby bay. Upstairs rooms at the back are useful too, as they often give the best view of a rear addition.
- First, you tell us about the roof build-up and where water is showing.
- We check that the membrane and build-up suit electronic leak detection.
- The method depends on the membrane and what sits above and below it.
- We test the membrane and find where current is passing through it.
- The breaches are recorded with photographs in a report for your roofer.
How to prepare
- For a flat or shared roof, check access with the freeholder or managing agent
- Unlock side gates and any roof access doors
- Leave a clear route to the loft
How to book
Our phone lines are open seven days a week. For a price or to book, call 07833 053749 or email us.
Advice
Towns and villages near Old Oak Common
Other services in Old Oak Common
What a survey costs
Prices always include VAT. What changes the price is:
- How many separate roofs there are, such as extensions, dormers and garages
- The type of building, from a house to a block or an office
- The size of the roof
- The height of the building and how the roof can be seen safely
To find out what your survey will cost, phone 07833 053749 or use the contact form and tell us about the roof. We’ll confirm the figure before booking.
Helping us price your survey
These details help when you contact us:
- The style of property, from a terrace to a block
- The reason for the survey, such as buying, a leak or storm damage
- Where water is showing inside, if it is
- Your postcode, so we can check access and travel
Booking is simple: just call 07833 053749 or email us, let us know about the property and we’ll explain which survey suits. We confirm the price before anything is booked.
When you need someone else
No survey can tell you everything, and it’s better to know them up front. Bear these in mind:
- How wet the insulation is
- Areas we cannot reach or that can’t be tested
- Leaks from plumbing or windows
If in doubt, call 07833 053749 or send us an email and we’ll suggest the right survey before booking. What a survey covers and does not.
What we look at
- Liquid-applied waterproofing
- Green roofs
- Single-ply roofs
- Roof terraces and balconies
- Flat roof membranes
- Commercial flat roofs