Greater London · London and the South East
Roof Leak Investigation in Osterley
Tracing where water is getting into your roof in Osterley, using drones and thermal imaging where applicable. Call or email for a price.
- Water coming in around a roof light or dormer
- Wet patches high on an inside wall
- Drips in the loft during heavy rain
Roof leak investigation in Osterley
Not every drip is a leak. Condensation in a cold, poorly ventilated loft can drip from nails and timbers, leaving marks that look just like rainwater. Knowing which it is means the right fix can be done, since the cure for one won’t solve the other. The pattern of the damp, the ventilation and the timing all help us decide. We are often asked to look into damp on a chimney breast and wet patches on loft insulation, on the roof space, slate and tile slopes and flat roof details.
Many London homes are well over a century old and their roofs have been patched more than once, so a new leak can be the latest sign of wear rather than a single event. Insurers typically exclude wear and tear, so it helps to know whether damage is old or new. A careful look in Osterley tells the two apart where the evidence allows. Photos and a written account give you something specific to show an insurer, a landlord or a roofer.
It is not only a list of defects. It explains what we found, why it matters and what we recommend.
- Where
- Osterley (TW7, TW3, TW5)
- Wider area
- Greater London
- Price
- From £150 inc. VAT
- Report
- Written, with photos, emailed to you
- Appointments
- Weekdays, Saturdays and Sundays
- Cover
- Professional indemnity and public liability
- Phone
- 07833 053749
- Page updated
- 27 October 2026
FAQs for Osterley
How do I find out if my home in Osterley is listed?
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.
Will parking be an issue for a roof survey in Osterley?
Parking in Osterley, as in most of London, takes a little planning: a visitor permit or a nearby bay makes the day run more smoothly, so mention what’s available when booking.
Will you walk on the roof?
Only if it is safe. We look at everything that can safely be seen: from the ground, from windows and vantage points, from the loft space, from the roof itself where safe and by drone where it applies. Anything we can’t see is noted in the report.
Do you take photos of the roof?
Yes. The report includes photos of what we found.
How do I arrange a roof leak investigation in Osterley?
It is easiest to phone 07833 053749 or send us an email. Give us the address and some details about the roof, and we’ll point you to the right survey. We survey on any day of the week.
Is the repair included in the leak investigation?
A leak investigation finds and reports the likely source. The repair is not part of it. The report shows where the water gets in and what should be done, which whoever carries out the work can follow.
Do I have to be there for the survey?
Not necessarily. An outside-only look can be arranged beforehand, but anything inside needs someone there to give access.
What affects the cost of roof leak investigations
Every roof is different, so prices are confirmed before booking. This is what makes a difference:
- How tall the building is and how easy the roof is to see
- Whether it is a home or a commercial building
- The package you choose: Basic, Standard or Premium
- Features like valleys, chimneys, dormers and parapets
Price depends partly on the package: Basic from £150, Standard from £250 or Premium from £400, all including VAT. The roof’s size, height and access matter as well.
Booking your survey
We’ll usually ask about:
- What’s prompted the survey
- Where water is showing inside, if it is
- The type of building and roof, such as pitched or flat
- When you need the report by
To book a survey, call 07833 053749 or email us and let us know the address and what’s prompted the survey. We will confirm the price before you book.
What you can safely check yourself
A lot can be seen from the ground. With binoculars, look for slipped or missing slates and tiles, gaps along the ridge and leaning chimneys. Please don’t climb up for a closer look.
Fresh stains on ceilings or walls after rain are worth noting. Take a photo and write down when you saw it, as it helps a surveyor trace the cause.
Places near Osterley
What else we do in Osterley
Surveys for landlords and agents in Osterley
Letting agents can arrange access with tenants. Surveys run on weekdays and at weekends, which helps when tenants work during the week.
Buyers’ agents can book surveys on behalf of their clients. The report is emailed, so it can go straight to your client, photos included.
Practical tips
There’s plenty you can do without going near the roof. Here’s what helps most:
- Take dated photos of the leak
- Record whether it leaks in every downpour or only some
- Do not climb onto the roof to look
- Have an electrician check any wet fittings
We email the report to you, with photographs of what we found. It sets out where we believe the water is getting in, how it is travelling and what needs attention. Basic reports come within 48 hours, Standard within 24 to 48 hours and Premium the same day.
Look at the roof from ground level after strong winds. Slipped slates, lifted ridge tiles and debris on the ground are signs to act on. Small faults dealt with quickly rarely become leaks.
When to book a survey in Osterley
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. The damp may appear on a chimney breast, a ceiling or in the loft.
These are some of the problems a survey can pick up:
- Water coming in around a roof light or dormer
- Brown rings on upstairs ceilings
- Leaks that appear only in driving rain
- Leaks below a flat extension roof
If you look after a shop, office or commercial unit, for example near Treaty Centre, finding where water is getting in quickly keeps disruption down.
Choosing a roof surveyor
- How they’ll see the roof: from ground level, the loft, the roof or by drone
- What insurance they carry
- Whether any drone flown is registered with the CAA
- How soon the report will arrive
How the survey works
It helps to start with what’s prompted the survey: buying, a leak, storm damage, new work or just wanting to know where things stand. That way we can focus on what matters to you. The visit normally takes between one and two hours, more where the leak is intermittent or the roof is large. London terraces rarely offer a view of the whole roof from one spot, so a visit in Osterley moves between viewpoints: the pavement, upstairs windows, the loft and any safe spot at the back. Shared stairs or a basement flat? Tell us who holds the keys.
- 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 is safe access.
- Outside, we check flashings, valleys, chimneys, gutters and flat roof details from every safe vantage point.
- We email a written report showing where the water most likely gets in.
Getting ready for the survey
- Find any records of previous roof work
- For a flat or shared roof, check access with the building owner or managing agent
- Have keys ready for side gates, garages or roof access doors
Arrange a survey
To get a price for roof leak investigations in Osterley, phone 07833 053749 or use the contact form. A few details about the property and the roof help us give you an accurate price.
Read more
Osterley roofs and the weather
The wider area around Osterley has a long history of building, with Osterley House about 0.3 miles north. If you own one of the older houses, expect a mix of original materials and later repairs on the roof, and the council can say whether a home is in a conservation area. Outer London has lots of 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. The covering and its details give the first clues when tracing where water is coming from.
If you live in an older home near St Mary's Church, the leak may come from a chimney, a valley or tired lead rather than the covering itself. Living close to Inwood Park is pleasant, but mature trees mean leaves in gutters and valleys each autumn, and blocked gutters overflow and soak walls.
Osterley is about 1 mile north of Hounslow, in Greater London. Anywhere in Osterley, we can carry out roof leak investigations at your property, on a weekday, Saturday or Sunday. Osterley is one of the towns and villages in Greater London we cover for roof leak investigations. We also survey roofs in London.
Here we cover the TW7, TW3 and TW5 postcode area for roof leak investigations. If you need a roof leak investigation at a property on Jersey Road, Church Road and Gresham Road or a nearby road, we can survey it. Other places close to Osterley include Spring Grove (1 mile south-east), Lampton (1 mile south-west), Norwood Green (1 mile north-west), Gillette Corner (1 mile east) and Woodlands (1 mile south). We also work in nearby towns such as London (11 miles east), City of Westminster (9 miles east), Marylebone (9 miles east), Kensington (6 miles east), St Pancras (10 miles east) and Shoreditch (12 miles east).
Near you in Osterley
We work in homes and buildings around The Plough Public House, Spring Grove Primary School and Inwood Park. Osterley’s nearest station is Isleworth station, about 0.9 miles south-east of the centre. Well-known places in the area include Museum of Army Music (2.1 miles south) and West Middlesex University Hospital (1.3 miles south-east). Not far away are Castlebar Hill and Garden Lake.