Greater London · London and the South East
Roof Leak Investigation in Mapesbury
Roof leak investigations in Mapesbury from an independent, experienced roof surveyor. More than 20 years and over 5,000 surveys across London and South East England.
- Damp on a chimney breast
- Ceiling stains that grow after rain
- Leaks that appear only in driving rain
About our roof leak investigation in Mapesbury
On a flat roof, water can travel a long way under the covering. Splits, blisters, failed laps, worn upstands and blocked outlets are common causes. Standing water puts extra pressure on every weak point. We check both the covering and the room underneath to narrow it down. Flat roofs over extensions, garages and dormers are frequent sources of leaks. Felt often lasts around 15 to 20 years, so age is part of the picture. Common reasons to book are drips from nail tips in a cold loft and drips in the loft during heavy rain, on flat roof details, lead flashings and slate and tile slopes.
In London, leaks often start somewhere hidden: a butterfly roof’s central valley gutter, a parapet gutter, a chimney flashing or a flat roof over a back addition. Whether you’re tracing a leak or recording storm damage in Mapesbury, those are among the first places to look. A hidden gutter that overflows can send water a long way before it shows.
We keep jargon out of it: if work is needed, the report says so clearly, and where it can wait, that is said too.
- Place
- Mapesbury (HA9, HA0, NW10)
- Wider area
- Greater London
- Prices
- From £150 inc. VAT
- Report
- A written report with photos, by email
- When we survey
- Weekdays, Saturdays and Sundays
- Insured
- PI and public liability insurance
- Phone
- 07833 053749
- Page updated
- 27 October 2026

Leaks and storm damage in Mapesbury
Outer London has a good many 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. Each of these roof types has its own typical places for water to get in. Pitzhanger Manor, about 3 miles south, is one of the historic houses in the wider area around Mapesbury. 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.
Landlords with a home close to Wembley Stadium station may find that finding the cause of a leak fast keeps a tenant’s home dry and the work focused. Trees in and around St. Raphael's Edible Garden shed leaves that can end up in nearby gutters, so outlets and downpipes are worth watching.
Mapesbury is about 1 mile south-east of Wembley, in Greater London. If you are in Mapesbury, booking works exactly as it does anywhere else: a call or an email, a price, then a date. Mapesbury is one of the places in Greater London we cover for roof leak investigations. There is also a page for London.
All of HA9, HA0 and NW10 is within our area for roof leak investigations, from the main roads to the quietest streets. Whether your property is on London Road, Harrow Road and Cecil Avenue or a nearby road, we can survey it. We also cover the places around Mapesbury: Tokyngton (1 mile south-east), Stonebridge Park (1 mile south-east), Wembley Park (1 mile north), Wembley (1 mile north-west) and Brent Park (1 mile east). We also work in nearby towns such as London (9 miles south-east), City of Westminster (6 miles south-east), Marylebone (6 miles east), Kensington (5 miles south-east), St Pancras (7 miles east) and Shoreditch (9 miles east).
What’s near Mapesbury
In Mapesbury, that means homes and buildings near The Swaminarayan School, Hilton London Wembley pub and St. Raphael's Edible Garden, among other places. Mapesbury has its own railway station: Wembley Stadium station. Other landmarks nearby include Brent Museum and Archives (2.2 miles east) and Neasden Hospital (0.9 miles east). For a walk, there is Fox Wood and Middle Lake.
Can I check my roof myself?
What you cannot do safely is get up close. Roofs are fragile and slippery. That part is for a survey, using safe viewpoints and a drone where applicable.
Your own check is a good start, but it is not a survey. From ground level, valleys, flashings and the backs of chimneys are often out of sight, and those are details a survey looks at closely.
When you need someone else
A survey is a careful look at the leaking roof, but it can’t do everything. The main limits are:
- Putting the leak right
- Plumbing leaks that look like roof leaks
- Whether rotten timbers meet design loads
If in doubt, phone 07833 053749 or email us and we will point you to the right survey before you book. What a survey covers and doesn’t.
Roofs we survey in Mapesbury
- Lead flashings
- The roof space
- Slate and tile slopes
- Flat roof details
- Valleys and parapet gutters
- Chimney stacks
- Rooflights and dormers
For landlords and managing agents
Roof problems in a rented home affect tenants as well as the building. A survey shows what needs attention, so you can plan the work.
Letting agents frequently book on a landlord’s behalf. We agree a time with the tenant beforehand.
How the survey works
Expect us to ask a few questions before we start, such as when any problem began and what work has been done before. The inspection then takes about one to two hours for most houses, while a commercial roof takes nearer three to four hours. Surveys in Mapesbury 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.
- You let us know where the water appears, when, and what the weather was doing.
- We examine the damp area and the rooms near it.
- From the loft space, we trace the water’s route where there is safe access.
- We inspect the likely entry points outside, from ground level, windows and the roof where safe.
- We email a written report showing where the water most likely gets in.
Preparing for the visit
- Let us know about parking before the day
- Make a note of anything you’d like us to look at
- Keep pets inside or away from the areas we are looking at
Getting a price
A quick phone call is normally the easiest start: phone 07833 053749 or use the contact form. The price is agreed before a date is set.
Related advice
Do you need a roof leak investigation in Mapesbury?
Some water in the loft is not rain at all. Moist air from bathrooms and kitchens condenses on the cold underside of the roof, particularly in lofts with blocked eaves. Wet nail tips and damp underlay over a wide area are classic signs.
Here are some of the things we see often:
- Staining around the chimney inside
- Water through the ceiling under a flat roof
- Water coming in around a roof light or dormer
- Drips from nail tips in a cold loft
If yours is one of the older homes in the streets near St Michael the Archangel, water on an older roof tends to find its way in at the lead, the valleys or the chimney.
Questions to ask before you book
- Their drone registration, if they fly one
- Is there a chance to talk the report through?
- Whether the inside of the roof is included
- Whether they hold professional indemnity and public liability insurance
Why act early in Mapesbury
Guesswork repairs are a common reason leaks keep coming back. Because water travels, the real entry point may be somewhere else. An investigation finds the likely cause first. Behind a London parapet, a blocked gutter can sit full of water without anyone seeing it. By the time a ceiling stains, the timbers underneath may have been wet for a while.
Prices start from £150, including VAT. Packages run from Basic at £150 through Standard at £250 to Premium at £400, inc. VAT.
Why book us in Mapesbury
- Two decades and more of roof surveys
- Customer satisfaction of 98%
- We hold a CAA Flyer ID and Operator ID
- Photos and a written report every time
Take a look at our cost guide and what we found on two real jobs.
Nearby places to Mapesbury
Other services in Mapesbury
FAQs for Mapesbury
Is my home in Mapesbury listed or in a conservation area?
The council and Historic England’s list are the places to check. Either can affect what roof work is allowed, so it’s worth checking before planning any.
Is parking a problem for a survey in Mapesbury?
It rarely stops a survey, but it is worth planning. Let us know what parking is available nearby, and the visit is planned around it.
Do you survey roofs on blocks of flats?
Yes. Shared roofs just need a little more planning, with whoever owns or manages the building. Let us know about it as you book and we will plan the survey around it.
Do you climb onto every roof?
Not unless it’s safe. Most of what we need can be seen from safe viewpoints, the loft and, where it applies, a drone, and the report notes anything we couldn’t see.
How do I arrange a roof leak investigation in Mapesbury?
Just call 07833 053749 or use the contact form with the address. After a few questions, we confirm the price and fix a day, weekday or weekend.
Can you inspect my roof with a drone?
Where it is applicable and safe, yes. We fly a sub-250g drone and we’re a CAA-registered drone operator (Flyer ID and Operator ID). Drone inspection is part of the Drone Roof Survey and the Premium Survey, where it applies.
Can you always find the source?
We can’t promise to find every leak on one visit. Most leave clues we can follow, but some only appear in certain weather. The report sets out what we found and the most likely routes.