Greater London · London and the South East
East Finchley Roof Leak Investigation
Tracing where water is getting into your roof across East Finchley, with drones and thermal imaging where they help. Get in touch for a price.
- Water coming in around a roof light or dormer
- Staining where a gutter or parapet meets the wall
- Drips in the loft during heavy rain
How a roof leak investigation works in East Finchley
Not every drip is a leak. In a badly ventilated roof space, condensation can form under the roof and drip, leaving marks that look just like rainwater. Telling the two apart matters, because they need very different work. The pattern of the damp, the ventilation and the timing all help us decide. We survey lead flashings, valleys and parapet gutters and chimney stacks, and people most frequently book us about staining around the chimney inside and condensation that looks like a leak.
London’s Victorian and Edwardian roofs have often been repaired many times. Telling wear from a one-off event matters, because insurers normally exclude wear and tear. A careful look in East Finchley tells the two apart where the evidence allows. Photographs and a written account give you something specific to show an insurer, a landlord or a roofer.
Report times depend on the survey you book: Basic within 48 hours, Standard in 24–48 hours and Premium the same day.
- Place
- East Finchley (N2, N3, NW11)
- Region
- Greater London
- Prices
- From £150 inc. VAT
- Your report
- A written report with photos, by email
- Appointments
- Weekdays, Saturdays and Sundays
- Insured
- Professional indemnity and public liability
- Call
- 07833 053749
- Page updated
- 27 October 2026

Practical tips
There’s plenty you can do without going near the roof. Here’s what helps most:
- Leave roof access to professionals
- Protect furniture and flooring under the leak
- Move stored items away from the hatch
- Let us know if there are tanks or pipes in the loft
The report gives whoever carries out the work a clear starting point. The photos show the defects and where they are, rather than at the stain.
Have flashings and flat roofs looked at every few years. Flashings, valleys and flat roof details are frequent weak points, and wear is easier to deal with before water gets in.
When you need someone else
A survey is a proper look at the leaking roof, but it cannot do everything. Its limits include:
- Leaks that only appear in weather we can’t recreate
- Carrying out the fix
- Water from pipes, tanks or heating systems
If you are not sure which survey you need, ring 07833 053749 or send us an email and we will give you a straight answer before you book. The full list of what we check.
What we look at
- Flat roof details
- The roof space
- Slate and tile slopes
- Chimney stacks
- Lead flashings
- Rooflights and dormers
- Valleys and parapet gutters
What we are asked to look at in East Finchley
When a slate slips or a tile cracks, the underlay takes the water. Ageing felt underlay eventually tears and lets water through, while some very old roofs have nothing under the coverings. Corroded nails, known as ‘nail fatigue’, are a frequent cause on slate roofs.
We’re often asked to look at:
- Condensation that looks like a leak
- Staining around the chimney inside
- Damp walls below an overflowing gutter
- Water marks that spread in wet weather
Shop and office owners around Grand Arcade may find that a leak can close part of a shop or office, so finding the cause quickly matters.
Choosing a roof surveyor
- How much experience they have with roofs like yours
- If they fly a drone, whether they hold a CAA Flyer ID and Operator ID
- What exactly goes into their report
- How long the report takes to arrive
Leave it or get it looked at?
Guesswork repairs are a common reason leaks keep coming back. Because water travels, the real entry point may be somewhere else. We find the probable source before anyone starts work, so the repair is aimed at the right place. Work on a London roof is rarely simple to arrange, with parking, neighbours and access all to think about. That’s a good reason to find problems early, while there’s time to plan, rather than in a rush after a leak.
Simple, low roofs take less time to survey than tall or complicated ones, and the package you pick makes a difference too. The price is always agreed first.
Why us?
- CAA-registered drone operator (Flyer ID and Operator ID)
- 5,000+ surveys completed
- Two decades and more of roof surveys
- Weekday and weekend surveys
Take a look at what a roof survey costs or our case studies.
Places near East Finchley
Other services in East Finchley
What happens on the day
Photos are taken throughout the visit, so the report shows exactly what we saw. Close-ups come from the safest viewpoint available, including by drone where it is applicable and the weather allows. A typical visit takes about one to two hours for a house, and about three to four hours for a commercial roof. In East Finchley, as in much of London, lots of properties are flats or terraces without side access, so rear slopes are viewed from windows, the loft or, where a flight is allowed, by drone. If the building has a managing agent or access rules, tell us as you book.
- We help you choose the package that suits the leak.
- We agree a date, including weekends.
- The investigation works from the stain back to the roof.
- Where it is useful and included, we take moisture readings and use thermal imaging.
- You get photos, the likely cause and clear recommendations.
Preparing for the visit
- Find any records of previous roof work
- Tell us about parking before the day
- Agree roof access with the managing agent if it’s shared
Book a survey
Prices start from £150, including VAT. What you pay depends on the roof’s size, access and the package, so phone 07833 053749 or drop us an email with the details.
Read more
Your questions about roof leak investigations in East Finchley
Is parking a problem for a survey in East Finchley?
It depends on the street. Where there are permit zones, a visitor permit or nearby pay-and-display bay works well.
Is East Finchley in the area you cover?
Yes, East Finchley is one of the places we work. The survey and report are the same in East Finchley as anywhere else, and visits run on weekdays and weekends.
Why is the stain in a different place from the leak?
Water rarely drops straight down. It can follow a timber or the underlay a long way first, so the stain may be some distance from where it gets in. We follow the route back instead of guessing.
How long does the visit take?
It normally takes about one to two hours at a typical home, though large, tall or awkward roofs take more time. The report follows within 48 hours for Basic, 24 to 48 hours for Standard and the same day for Premium.
Will I get photos?
Yes. Photos are taken throughout the survey, and they go into the written report alongside our recommendations.
What’s the best way to book?
To book, call 07833 053749 or send us an email and tell us the address and what you want to find out. We’ll confirm the price and agree a day with you.
What’s in the report?
It works through the roof part by part, in writing and with photos, finishing with recommendations. Points are put by urgency where it matters.
Leaks and storm damage in East Finchley
With Heath Hall about 1.1 miles south, East Finchley sits in an area with a long building history. Older roofs in the wider area can hide decades of patch repairs, so the detail matters, and a listed home or one in a conservation area may need consent for changes of material. In outer London, interwar semis with hipped, tiled roofs sit alongside older slate-roofed terraces. If your home in East Finchley is one of them, bay roofs, hips and later dormers each have their own details. Where water gets in depends a good deal on what the roof is made of and how it is detailed.
Anyone responsible for a site like Holy Trinity CofE Primary School will know that on a building that size, finding the source of a drip means looking well beyond the stain. If your house is among the older ones in the streets near Church of the Holy Trinity, the leak may come from a chimney, a valley or tired lead rather than the covering itself.
East Finchley is about 5 miles north of Marylebone, in Greater London. We carry out roof leak investigations for homes and businesses in East Finchley. Our area takes in places right across Greater London, large and small. Our London page covers surveys nearby.
Postcode districts we cover here for roof leak investigations: N2, N3 and NW11. We cover properties on Oak Lane, Maya Road and High Road and the roads around them. East Finchley sits on or near the A1. Neighbouring places we cover for roof leak investigations include Hampstead Garden Suburb (1 mile south-west), Fortis Green (1 mile east), Temple Fortune (1 mile south-west), Muswell Hill (1 mile east) and Golders Green (2 miles south-west). Within a short drive, we also cover London (7 miles south-east), City of Westminster (5 miles south), Marylebone (5 miles south), Kensington (6 miles south), St Pancras (5 miles south-east) and Shoreditch (6 miles south-east).
Around East Finchley
We work in homes and buildings around Tollington School, Francis Skaryna Belarusian Library and Museum and Bishop Douglass School Finchley. Other local landmarks include Lyttelton Playing Fields (0.5 miles south) and The Bald Faced Stag pub (0.5 miles east). The nearest railway station is New Southgate station, about 2.2 miles north-east of the centre. Well-known places in the area include Grand Arcade (1.6 miles north) and Jewish Museum - Finchley (0.7 miles north-west). Green spaces nearby include Highgate Hill and Long Lane Pasture.
Landlords, agents and block managers in East Finchley
Buyers’ agents can book surveys on behalf of their clients. The report is emailed, so it can go straight to your client, photos included.
Shared roofs need a little more planning: access has to be agreed with whoever owns or manages the building. Let us know about it when booking and we’ll plan the survey around it.