Greater London · London and the South East
Roof leak investigation in Greenford, Greater London
Roof leak investigations in Greenford, backed by more than 20 years’ experience. You get a clear report with photographs.
- Damp ceilings under a flat roof
- Water dripping from rafters or underlay
- Drips from nail tips in a cold loft
Roof leak investigation in Greenford
Some leaks only appear in certain weather. Driving rain from one direction, melting snow or a gutter that overflows in a downpour can all set it off. Telling us when it happens helps a lot and so do photos. Even on a dry day, a leak normally leaves clues: stained timbers, tide marks and damp underlay. Moisture detection shows which materials are still damp. If you’re worried about wet patches on loft insulation and staining around the chimney inside, a survey will tell you what’s going on, whatever the roof.
In London, leaks frequently start somewhere hidden: the valley gutter in a butterfly roof, a parapet gutter, a chimney flashing or the flat roof over a rear extension. For a leak or storm damage in Greenford, those hidden details are where the inspection begins. Water from a hidden gutter can run along joists and show up a room or two away.
The report records the leaking roof as we found it on the day. That makes it useful now and a handy reference later, for instance when you want to check whether anything has changed.
- Where
- Greenford (UB6, UB5, UB1)
- Region
- Greater London
- Prices
- From £150 inc. VAT
- Your report
- A written report with photos, by email
- Appointments
- Weekdays, Saturdays and Sundays
- Cover
- Professional indemnity and public liability
- Call
- 07833 053749
- Last updated
- 27 October 2026
Signs you need a roof leak investigation in Greenford
A chimney stack has plenty of places for rain to get in. Water can enter through crumbling mortar, cracked flaunching, worn flashings or uncapped pots. It can show up on the chimney breast, nearby ceilings or in the loft space.
A survey can pick up problems such as:
- Damp walls below an overflowing gutter
- Leaks that appear only in driving rain
- Damp ceilings under a flat roof
- Stains around a skylight
Take an older house close to Parish Church of the Holy Cross (old Church): the leak may come from a chimney, a valley or tired lead rather than the covering itself.
Questions to ask before booking
- Whether you get a written report with photos
- What they won’t be able to tell you
- Their drone registration, if they fly one
- Whether the roof space is looked at, where there is one
FAQs for Greenford
Do you cover Greenford?
We do. The survey and report are the same in Greenford as anywhere else.
Can parking be tricky for a visit in Greenford?
It rarely stops a survey, but it’s worth planning. Let us know the parking rules on your street and we’ll work around them.
Is thermal imaging part of a leak investigation?
We use thermal imaging where it helps, and it is part of the Premium Survey. It shows temperature differences, not water itself, so anything it suggests is checked with moisture readings.
What’s the best way to book?
It is easiest to phone 07833 053749 or email us. Give us the address and some details about the roof, and we’ll point you to the right survey. We survey on weekdays and at weekends.
Can you trace a leak in dry weather?
In most cases, yes. Moisture detection shows where materials are damp even on a dry day. If a leak only appears in driving rain from one direction, we will tell you what we found and what’s most likely.
Will you walk on the roof?
Not always. Safety comes first, and fragile or steep roofs cannot always be walked on. We use safe viewpoints, the loft space and a drone where applicable.
Will you fly a drone over my roof?
Where it helps and it’s safe, yes. Whether we can fly on the day depends on the weather and the airspace rules, including flight restriction zones near airports. We are a CAA-registered drone operator.
Useful tips for Greenford property owners
A little preparation and a few simple habits help, both for the survey and for the roof itself. Some pointers:
- Clear the loft hatch so we can get in
- Record whether it leaks in every downpour or only some
- Have an electrician check any wet fittings
- Take dated photos of the leak
Once the work is done, hold on to the report. If the leak returns, it’s a useful record of what was found, which makes the next step quicker.
Check the loft after heavy rain, with care and a good torch. Look for drips, damp patches and stains on timbers. Photograph anything new.
Roof leak investigations around Greenford
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. Hips, bay roofs and later loft conversions are typical of those semis, if your home is one of them. The covering and its details give the first clues when tracing where water is coming from. Northolt Manor, about 1 mile north-west, is one of the historic houses in the wider area around Greenford. If your home is one of the older ones, expect a mix of original materials and later repairs on the roof, and any change of roofing material on a listed home needs checking with the council first.
If you live near a park like Northala Fields, or anywhere with mature trees, autumn leaves can block gutters and valleys, so outlets and downpipes are worth watching. For site and facilities teams at buildings such as Oldfield Primary School, on a building that size, finding the source of a drip means looking well beyond the stain.
Greenford is about 3 miles north-west of Ealing, in Greater London. We survey roofs in Greenford and the rest of Greater London, as part of our work across London and South East England. We cover towns and villages across Greater London, large and small. We also survey roofs in London.
We survey roofs across the UB6, UB5 and UB1 postcode area for roof leak investigations. If you need a roof leak investigation at a property on Courthope Road, Oldfield Farm Gardens and Greenford Road or a nearby road, we can survey it. Greenford is on the A4090 and A4127, so it is easy for us to get to. Other places close to Greenford include Northolt (1 mile north-west), Perivale (1 mile east), Sudbury (2 miles north-east), Sudbury Hill (2 miles north-east) and Dormers Wells (2 miles south-west). We also work in nearby towns such as London (11 miles east), City of Westminster (9 miles east), Marylebone (9 miles east), Kensington (7 miles south-east), St Pancras (10 miles east) and Shoreditch (12 miles east).
Near you in Greenford
We work in homes and buildings around Ada Lovelace Church of England High School, The Railway pub and Northala Fields and the streets around them. There’s a railway station in Greenford itself: Greenford station. Well-known places in the area include London Designer Outlet (3 miles north-east) and Clementine Churchill Hospital (2 miles north). For a walk, there is Northala Fields and Litten Nature Reserve.
Surveys for landlords and agents in Greenford
Letting agents can arrange access with tenants, at a time agreed ahead of time. Surveys run on any day of the week, which can make access easier.
Roof problems in a rented home affect tenants as well as the building. A survey helps you spot issues early and plan the work with less disruption.
Places near Greenford
Other services in Greenford
Why it is worth a survey now in Greenford
Damp loft insulation loses much of its value. A slow leak can soak it for months before a stain appears. The sooner the cause is found, the less needs replacing. In Greenford, as in much of London, water from a roof defect can reach a neighbour’s home as easily as yours: failed flashings and blocked valley gutters can send water into more than one home. Finding it early keeps the work smaller.
The Premium Survey includes thermal imaging and drone inspection where it applies, which starts from £400, with VAT included. We can help you choose the package that fits what you’d like to know.
What you get with us
- Over 20 years’ experience
- Clear package prices, including VAT
- Thermal imaging and drone inspection where they help
- An independent look at the roof
What happens on the day
We look at the roof from outside and, where it’s relevant and there is safe access, from inside the loft space too. In the loft, the signs we look for are staining, damp, daylight and sagging, as far as the space allows. All in, the survey typically takes an hour or two, more where the leak is intermittent or the roof is large. Many London properties are flats or terraces with no side access, so the back of the roof is often seen from upstairs windows, from inside or, where a flight is allowed, from the air. Mention any building rules, key holders or managing agents when booking.
- We help you choose the package that suits the leak.
- A visit is booked for a weekday, Saturday or Sunday.
- We inspect inside and out, starting from the stain.
- Where it’s useful and included, we take moisture readings and use thermal imaging.
- You get photos, the likely cause and clear recommendations.
Before we arrive
- Mention any parking restrictions on your street
- Tell us about any leaks, stains or damp patches you know of
- Agree roof access with the managing agent if it’s shared
How to book
A quick phone call is usually the easiest start: phone 07833 053749 or drop us an email and we’ll ask a few questions about the roof. You will have a price before anything is arranged.
Read more
What we look for on each type of roof
Slate and tile slopes
‘Nail fatigue’ is a common cause of slipped slates. Even a single gap can let water in, especially in driving rain.
Parapet and box gutters
A butterfly roof drains to a central valley gutter. If that gutter or its outlet fails, water can come through the top-floor ceiling.