Greater London · London and the South East
Roof leak investigation in Cranford, Greater London
An experienced roof surveyor for roof leak investigations in Cranford. Over 5,000 surveys and 20+ years behind us.
- Wet patches high on an inside wall
- Damp patches next to the stack
- Brown rings on upstairs ceilings
Roof leak investigation in Cranford: what you get
On older houses, leaks often start at lead work and hidden gutters. Lead flashings crack or lift, valley linings wear and parapet gutters overflow when outlets block. If your home has a butterfly roof, the central valley gutter is a common culprit. We check parapets, valleys and flashings from every safe vantage point. The findings are recorded with photos. Common reasons to book are damp ceilings under a flat roof and damp on a chimney breast, across rooflights and dormers, chimney stacks and flat roof details.
London’s Victorian and Edwardian roofs have often been repaired many times. Insurers usually exclude wear and tear, so it helps to know whether damage is old or new. That is as true in Cranford as anywhere in London. Photos and a written account give you something specific to show an insurer, a landlord or a roofer.
We keep jargon out of it: if work is needed, the report says so clearly.
- Where
- Cranford (TW4, TW5, UB3)
- Region
- Greater London
- Price
- From £150 inc. VAT
- Your report
- A written report with photos, by email
- When we survey
- Weekdays, Saturdays and Sundays
- Cover
- Professional indemnity and public liability
- Call
- 07833 053749
- Page updated
- 27 October 2026
What we’re asked to look at in Cranford
Many leaks begin at a flashing. Where a roof meets a chimney, a wall or a dormer, lead or mortar seals the joint. Once that seal cracks or lifts, water gets behind it, often well away from where it shows.
These are some of the problems a survey can pick up:
- Wet patches on loft insulation
- Staining where a gutter or parapet meets the wall
- Water marks that spread in wet weather
- Staining around the chimney inside
Trees in and around Hounslow Heath shed leaves that can end up in nearby gutters, and an overflowing gutter soon means a wet wall.
Choosing a roof surveyor
- Whether the inside of the roof is included
- How much experience they have with roofs like yours
- What insurance they carry
- Their drone registration, if they fly one
What happens on the day
The visit has one job: to look at the leaking roof as closely as is safe and record what we find. Notes and photos go into the written report. It typically takes an hour or two, more where the leak is intermittent or the roof is large. In a London conversion, the way into the loft space is often from a communal landing or the top flat. If that applies to your building, it is useful to agree access with the neighbours or the managing agent first. Everything else is planned around the building, not the postcode.
- We start with your notes and photos of the leak.
- We examine the damp area and the rooms near it.
- From the loft space, we trace the water’s route where there’s safe access.
- Outside, we check flashings, valleys, chimneys, gutters and flat roof details from each safe vantage point.
- You receive a report with the likely source, photos and recommendations.
Before we arrive
- For a flat or shared roof, check access with the building owner or managing agent
- Buyers: confirm access with the estate agent or seller
- Let us know about any leaks, stains or damp patches you know of
Booking a survey
For a price for roof leak investigations in Cranford, call 07833 053749 or drop us an email. A few details about the property and the roof help us give you an accurate price.
Advice
More services for Cranford
What a roof leak investigation doesn’t cover
Before booking, it’s worth knowing what a survey won’t do:
- Putting the leak right
- A structural engineer’s report
- A promise to find every leak on a single visit
If you’re not sure which survey you need, phone 07833 053749 or use the contact form and we will give you a straight answer before booking. What a survey covers and does not.
What we check
- The roof space
- Lead flashings
- Rooflights and dormers
- Chimney stacks
- Flat roof details
- Slate and tile slopes
- Valleys and parapet gutters
Landlords, agents and block managers in Cranford
With a portfolio of properties, you can book surveys for several addresses. To discuss a number of properties, call 07833 053749 or email us with the addresses.
Shared roofs need a little more planning: we need access agreed with the freeholder or managing agent. Mention it when you get in touch and we will plan the visit with that in mind.
Questions from Cranford
Will parking be an issue for a roof survey in Cranford?
It can be, so it’s useful to tell us about permits, visitor bays or off-street space when booking. That way the visit can be planned around it.
Is my home in Cranford listed or in a conservation area?
You can check whether a building is listed on Historic England’s list, and your council can tell you if it is in a conservation area. Listed building consent is needed for changes that affect a listed building’s special interest, and conservation areas can limit changes of roofing material.
How experienced are you?
We have been surveying roofs for over 20 years and have completed over 5,000 surveys across London and South East England.
How do I arrange a roof leak investigation in Cranford?
The quickest way is to ring 07833 053749 or send us an email. Let us know the address and a little about the roof, and we will take it from there. We survey on weekdays and at weekends.
Does the investigation include the repair?
The investigation is about finding the cause. The repair itself is a separate job. You get a report with photos showing where the water is getting in and what needs attention.
Can you trace a leak in dry weather?
In many cases, yes. Leaks leave clues, like staining, damp timber and moisture in materials. Some leaks only show in particular weather, so your photos and notes from wet days are very useful.
Will I get photos?
Yes. Photos are part of every report.
Roof by roof
Valleys
Stains from a valley leak often show some distance off. We trace the route from the loft where there is safe access.
Flat roof upstands and outlets
Outlets drain a flat roof. When one blocks, water ponds and finds any weak spot. We check outlets and the covering around them.
What a survey costs
All our prices include VAT. What changes the price is:
- Commercial roofs and larger buildings
- The use of thermal imaging or a drone
- Chimneys, valleys, parapets and other details
- The package you choose: Basic, Standard or Premium
Our price is from £150, including VAT. What you pay depends on the size and height of the roof, access and which survey you book.
Booking your survey
These details help when you get in touch:
- What kind of property and roof it is
- Anything about access we should know
- Photos of the roof, taken safely from the ground or a window
- What’s prompted the survey
Roof leak investigation starts from £150, including VAT. The exact figure depends on the roof and the package, and you can phone 07833 053749 or email us to find out.
Leaks and storm damage in Cranford
Historic houses like Osterley House, about 2.6 miles east, show how far back building in the area around Cranford goes. Older roofs in the wider area can hide decades of patch repairs, so the detail matters. Further from the centre, London’s housing takes in interwar semis with hipped roofs in clay or concrete tiles as well as slate-roofed terraces. If your home in Cranford is one of them, bay roofs, hips and later dormers each have their own details. The covering and its details give the first clues when tracing where water is coming from.
If you look after a building such as Cranford Primary School, a leak through a large roof is often found some distance from where the water shows inside. The streets around a church such as The Parish Church of the Good Shepherd are often among the oldest in a place, and if yours is one of the older homes nearby, the leak may come from a chimney, a valley or tired lead rather than the covering itself.
Cranford is about 2 miles north of Feltham, in Greater London. From houses to flats and shops in Cranford, we can survey the roof on a weekday or at the weekend. Across Greater London, we cover Cranford and the places around it. We also survey roofs in London.
All of TW4, TW5 and UB3 is within our area for roof leak investigations, from the main roads to the quietest streets. That includes homes and businesses on Ely Road, Park Lane and The Avenue. Other places close to Cranford include Hatton (1 mile south-west), Harlington (1 mile north-west), Heathrow (2 miles west), Feltham (2 miles south) and Sipson (2 miles north-west). We also work in nearby towns like London (14 miles east), City of Westminster (11 miles east), Marylebone (12 miles east), Kensington (9 miles east), St Pancras (13 miles east) and Shoreditch (15 miles east).
Around Cranford
In Cranford, that means homes and buildings near Cranford Community College, The Queen's Head pub and Hounslow Heath. Cranford’s nearest station is Hayes & Harlington station, roughly 1.9 miles north. Nearby you will also find Hounslow Hospital (1.6 miles east) and Treaty Centre (2 miles east). Not far away are Garden Lake and Northala Fields.