Greater London · London and the South East
Roof Leak Investigation in Isleworth
Roof leak investigations in Isleworth, with over 20 years’ experience behind it. You get a clear report with photographs.
- Water through the ceiling under a flat roof
- Staining where a gutter or parapet meets the wall
- Staining around the chimney inside
Roof leak investigation in Isleworth: what you get
We investigate roof leaks in Isleworth and across London and South East England. We visit on any day of the week. We look inside and out, at flashings, valleys, chimneys, gutters and flat roof details. You get a written report with photographs and recommendations. If it is leaking right now, contain the water and keep it clear of electrics, and then call 07833 053749 or send us an email. We survey flat roof details, slate and tile slopes and the roof space, and the problems we are asked to look at most are damp on a chimney breast and wet patches high on an inside wall.
Water getting into a London home frequently comes from a detail you cannot see from the street: 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 Isleworth, those hidden details are where the inspection begins. A hidden gutter that overflows can send water a long way before it shows.
The report does not just list problems. It explains what we found, why it matters and what we recommend.
- Where
- Isleworth (TW7, TW1, TW3)
- Region
- Greater London
- Prices
- From £150 inc. VAT
- Report
- A written report with photos, by email
- When we survey
- Weekdays and weekends
- Insured
- PI and public liability insurance
- Phone
- 07833 053749
- Updated
- 27 October 2026
Landlords, agents and block managers in Isleworth
Businesses and commercial landlords can book us too, from shops and offices to industrial units. Bigger roofs take more time, so they’re priced to suit.
A roof problem in a let property affects your tenants as well as the building. A survey helps you spot issues early and plan the work with less disruption.
What we can’t see
It helps to know what a survey will not do before booking:
- What’s under the covering or behind the plaster
- Leaks from plumbing, tanks or pipework rather than the roof
- A promise to find every leak on a single visit
If you are not sure which survey you need, phone 07833 053749 or drop us an email and we’ll give you a straight answer. What our survey covers.
Roof types and parts we check
- The roof space
- Rooflights and dormers
- Valleys and parapet gutters
- Lead flashings
- Chimney stacks
- Slate and tile slopes
- Flat roof details
Nearby places to Isleworth
Other services in Isleworth
The survey, step by step
You don’t need to do much on the day. Point out anything you’ve noticed, such as stains, drips or loose pieces, and we’ll take it from there. The survey itself takes about one to two hours for most homes, though a hard-to-trace leak can take longer. Many London properties are flats or terraces with no side access, so rear slopes are viewed from windows, the loft or, where a flight is allowed, by drone. Mention any building rules, key holders or managing agents when booking.
- We start with your notes and photos of the leak.
- Inside, we look at the stain and the ceiling around 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.
- We email a written report showing where the water most likely gets in.
How to prepare
- Clear the way to the loft hatch
- Let us know about parking near the property
- For a flat or shared roof, check access with the building owner or managing agent
Arrange a survey
To arrange a survey, call 07833 053749 or use the contact form with the address and what you’d like to know about the roof. You’ll know the price before anything is booked.
Related advice
Different roofs, different checks
Slate and tile slopes
‘Nail fatigue’ is a common cause of slipped slates. One slipped slate can be enough to cause a leak, especially in driving rain.
Lead flashings
A leak at a flashing often shows some way from the joint. We check every flashing that could feed the stain.
Isleworth questions
Is my home in Isleworth listed or in a conservation area?
Start with Historic England’s list for listing and your council for conservation areas. It’s worth checking before planning roof work, as both can affect what’s allowed.
Do you cover Isleworth?
We do. The survey and report are the same in Isleworth as anywhere else.
Will you photograph what you find?
Yes. The report includes photos of what we found.
How do I arrange a roof leak investigation in Isleworth?
Just phone 07833 053749 or email us. We’ll ask a few questions, confirm the price and agree a date, weekday or weekend.
Is there anything I need to do ahead of the visit?
Note when the leak appears and what the weather was doing, and take photos. Clear access to the loft. Keep away from any light or socket that water is reaching.
Will you fly a drone over my roof?
Yes, where applicable and safe. We are a CAA-registered drone operator (Flyer ID and Operator ID), flying a sub-250g drone. Drone inspection is part of the Drone Roof Survey and the Premium Survey, where it applies.
Is thermal imaging part of a leak investigation?
We use thermal imaging where it helps, and it’s part of the Premium Survey. It picks up temperature patterns rather than water, so anything it suggests is checked with moisture readings.
Should I look at the roof myself first?
If you have a loft with safe access, take a look inside. Take a torch and only step on boards or joists, checking for stains, damp wood or chinks of daylight.
Look up at the roof after a storm, from the ground: broken slates or tiles in the garden, gaps along the ridge or loose lead are signs to note. Don’t go up yourself.
Leaks and storm damage in Isleworth
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. 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. Historic houses such as Syon House, about 0.9 miles north-east, show how far back building in the area around Isleworth goes. On older houses around here, roofs often carry the marks of earlier repairs, from replaced slates to new lead, and any change of roofing material on a listed home needs checking with the council first.
Anyone responsible for a site like St Mary's Catholic Primary School will know that water through a big roof can travel a long way before it drips, so the search covers more than the obvious spot. Living close to Old Deer Park is pleasant, but mature trees mean leaves in gutters and valleys each autumn. If you let a flat or house near Isleworth station, a clear finding on where water gets in helps you brief a roofer right away.
Isleworth is about 2 miles north of Twickenham, in Greater London. In Isleworth, as across Greater London, every roof gets the same careful survey. Isleworth is one of the towns and villages in Greater London we cover. For surveys nearby, see our London page.
Roof leak investigations in TW7, TW1 and TW3 are booked the same way as anywhere else. If you need a roof leak investigation at a property on Upper Square, London Road and Shire Horse Way or a nearby road, we can survey it. Neighbouring places we cover for roof leak investigations include Woodlands (1 mile west), St Margarets (1 mile south-east), Ivybridge (1 mile south-west), Spring Grove (1 mile north-west) and Hounslow (1 mile west). Within a short drive, we also cover London (10 miles east), City of Westminster (8 miles east), Marylebone (9 miles north-east), Kensington (6 miles east), St Pancras (10 miles north-east) and Shoreditch (12 miles east).
Near you in Isleworth
Locally, jobs take us to homes and businesses close to The George Inn, Kneller Hall Junior School and Gumley House RC Convent School, among other places. There is a railway station in Isleworth itself: Isleworth station. Well-known places in the area include West Middlesex University Hospital (within half a mile north-east) and Museum of Army Music (1.4 miles south-west). For a walk, there is Richmond Hill and Kew Gardens Lake.
How we price roof leak investigations
Not every roof costs the same to survey, and it comes down to:
- The use of thermal imaging or a drone
- Features like valleys, chimneys, dormers and parapets
- How tall the building is and how easy the roof is to see
- Basic, Standard or Premium
Larger roofs, taller buildings and commercial roofs take longer, so the price reflects that. You will know the figure before booking.
Booking your survey
These details help when you get in touch:
- The type of building and roof, like pitched or flat
- Any deadline, such as an exchange date
- How the loft is reached, if there is one
- Where the property is, with the postcode
For a price for roof leak investigations in Isleworth, phone 07833 053749 or email us. The address, the type of property and what you’d like to know help us price the survey accurately.