Greater London · London and the South East
Mapesbury Flat Roof Survey
A careful look at the flat roof at your property in Mapesbury, with photos and a written report.
- Cracked or split membrane
- Dips that suggest the deck is deflecting
- Outlets that hold water back
Honest limits
A survey is a close look at the flat roof, but it can’t do everything. Its limits include:
- Whether old sheeting or boards contain asbestos
- Parts of the roof that aren’t safe to walk on or view
- An exact number of years the roof has left
If in doubt, phone 07833 053749 or email us and we’ll recommend the right survey. What our survey covers.
What this survey covers
- Felt flat roofs
- Mastic asphalt
- EPDM rubber
- Single-ply membranes
- Upstands and outlets
- GRP fibreglass
How a flat roof survey works in Mapesbury
Offices, shops, industrial units and blocks of flats often sit under large flat roofs. On a roof like this, a survey shows where the covering is wearing, where water is ponding and which outlets need attention. We record the condition with photos so work can be planned and budgeted. Commercial roofs are quoted for their size and access, so it helps if you ring 07833 053749 or use the contact form with the address and a rough idea of the roof area. Typical surveys look at failed upstands where the roof meets a wall and splits and cracks in the covering, on upstands and outlets, mastic asphalt and GRP fibreglass.
Water getting through a flat roof in London can travel under the covering and appear some way from the hole. Outlets, upstands against parapet walls and joins with the main roof are frequent culprits. In a block or conversion in Mapesbury, 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, whichever applies.
- Where
- Mapesbury (HA9, HA0, NW10)
- Wider area
- Greater London
- Cost
- From £150 inc. VAT
- Reports
- Written, with photos, emailed to you
- When we survey
- Weekdays and weekends
- Insured
- Professional indemnity and public liability
- Telephone
- 07833 053749
- Updated
- 27 October 2026
How it works
A survey visit follows a simple order: we hear what you’ve seen, look at the roof from every safe viewpoint, take photos as we go and make notes for the report. It typically takes about one to two hours at a typical home, with bigger or more complicated roofs taking longer. In Mapesbury, visits are available on weekdays and at weekends. London parking is often by permit or pay-and-display, so it helps to know what’s near you. Upstairs rooms at the back are useful too, as they frequently give the best view of a rear addition.
- We start with the details: the address, the roof’s use and any leaks or stains.
- We check the roof from wherever it can safely be seen.
- The covering, falls, upstands, outlets, edge trims and rooflights are checked and photographed.
- We check the rooms or spaces under the roof for staining where we can reach them.
- We send a written report with photos, the defects we found and what we recommend.
Before the survey
- For flats, check roof access has been agreed
- Have any questions written down, so nothing gets missed
- Unlock side gates and any roof access doors
Arrange a survey
When you’re ready to go ahead, call 07833 053749 or use the contact form. From there it is a case of choosing a package, agreeing the price and fixing a day, weekday or weekend.
Related advice
Places near Mapesbury
What else we do in Mapesbury
Questions from Mapesbury
Will parking be an issue for a roof survey in Mapesbury?
It depends on the street. If Mapesbury has controlled parking where you are, a visitor permit is the easiest answer.
Does a conservation area affect roof work in Mapesbury?
For listing, use Historic England’s list; for conservation areas, ask the council. It matters most if you’re planning to re-roof in a different material.
What’s the best way to book?
Just ring 07833 053749 or send us an email with the address. After a few questions, we confirm the price and fix a day.
Do you look in the loft space?
Yes, where the survey calls for it and there’s safe access. Inside, we look for damp, staining, gaps and sagging, as far as the space allows.
What does ponding on a flat roof mean?
Standing water on a flat roof deserves a closer look. It can point to blocked outlets, poor falls or a deck that is sagging, and water that sits wears the covering sooner. Our survey notes the ponding and what seems to be causing it.
How many surveys have you done?
We have more than 20 years’ experience and have completed over 5,000 surveys.
Will I get photos?
Yes. We photograph the roof as we go, and they go into the written report.
Tips from our surveys
Nothing here needs a ladder. A few suggestions:
- Plan a survey before the covering reaches the end of its usual life
- Limit foot traffic on the covering
- Watch the ceilings below the flat roof for stains
- File the paperwork for the roof and any repairs
If anything in the report is not clear, just ask us. Standard Surveys come with a follow-up consultation, and Premium Surveys with an in-person one, so you can talk the findings through.
After heavy rain, look at the roof from an upstairs window if you can. If water is still there a day or two later, have it checked.
Local flat roofs in Mapesbury
There are several hotels within about a mile and a half of Mapesbury, and hotels, like offices and blocks of flats, frequently have flat roofs. For hotels and other commercial buildings, finding the cause of a flat roof leak quickly keeps rooms in use. The wider area around Mapesbury has a long history of building, with Pitzhanger Manor about 3 miles south. Older homes in the wider area often have features worth a closer look, such as lead valleys, tall stacks and roofs that have been patched over the years, and any change of roofing material on a listed home needs checking with the council first.
Anyone responsible for a site like St Joseph's RC Infant School will know that schools and public buildings often have big flat roofs, and their outlets and upstands need regular checks. Take an older house close to St Michael the Archangel: later flat-roofed additions are common on older houses, and their edges and upstands frequently show the first signs of wear.
Mapesbury is about 1 mile south-east of Wembley, in Greater London. We carry out flat roof surveys in Mapesbury for houses, flats, blocks and commercial buildings, with a written report and photographs every time. We cover towns and villages across Greater London, from the larger towns to small villages. For surveys nearby, see our London page.
Postcode districts we cover here for flat roof surveys: HA9, HA0 and NW10. If you need a flat roof survey at a property on London Road, Harrow Road and Cecil Avenue or anywhere close by, we can help. 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). Larger places within reach include 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).
Landmarks near Mapesbury
We work in homes and buildings around The Swaminarayan School, Hilton London Wembley pub and St. Raphael's Edible Garden. Mapesbury has its own railway station: Wembley Stadium station. Nearby you will also find Brent Museum and Archives (2.2 miles east) and Neasden Hospital (0.9 miles east). The countryside around Mapesbury includes Fox Wood and Middle Lake.
How the survey changes by roof type
Mastic asphalt
Asphalt has no laps, so its weak points are cracks and the skirtings at walls and upstands. Our report notes crazing, cracks and any likely entry points.
EPDM rubber
A rubber roof can last 30 to 50 years, provided its details were done well. Those details are where we focus.
What we are asked to look at in Mapesbury
Flat roofs frequently get walked on for other jobs: to clean windows, fit aerials or air conditioning units, or reach a gutter. Each visit can damage a covering not made for regular foot traffic. New brackets and fixings through the roof are another common source of leaks.
A survey makes sense if you’ve noticed:
- Loose or cracked edge trims
- Blocked or damaged outlets
- Cracked or split membrane
- Blisters and bubbles in the covering
If you run a business near London Designer Outlet, outlets and upstands on commercial flat roofs are the places to check before trouble starts.
Questions to ask before booking
- What the report includes, and whether it has photographs
- What the survey will not cover
- Whether the loft is part of the inspection
- If they fly a drone, whether they hold a CAA Flyer ID and Operator ID
How we price flat roof surveys
A few things affect what a survey costs:
- Extensions, dormers and garages with roofs of their own
- The package you choose: Basic, Standard or Premium
- The height of the building and how the roof can safely be seen
- The use of thermal imaging or a drone
Bigger, taller and commercial roofs take more time to survey, so the price reflects that. You’ll know the figure before booking.
What we need to know
When you call or email, these details help:
- Any marks or damp showing indoors
- Pictures of the roof from a safe spot, if you have them
- Your timetable, such as an exchange date
- How the loft is reached, if there is one
We confirm the price for your roof before you book, so you know where you stand. Prices start from £150, including VAT. For a price for your roof, call 07833 053749 or send us an email.