Greater London · London and the South East
Roof leak investigation in Sutton, Greater London
Tracing where water is getting into your roof for Sutton and the rest of Greater London. Surveys run on weekdays, Saturdays and Sundays.
- Damp patches next to the stack
- Damp ceilings under a flat roof
- A leak that comes and goes with the weather
How a roof leak investigation works in Sutton
Leaks tend to begin where one part of a roof meets another. Common entry points include chimney and wall flashings, valleys, parapet and box gutters, and the upstands and outlets on flat roofs. Each of these is checked in turn and follow the evidence. Chimneys, dormers and roof lights each add joints of their own. We look at all of them, from each safe vantage point. Common reasons to book are drips from nail tips in a cold loft and a leak that comes and goes with the weather, across lead flashings, rooflights and dormers and the roof space.
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. Telling wear from a one-off event matters, because insurers usually exclude wear and tear. That’s as true in Sutton as anywhere in London. A written record with photographs helps you explain what was found to whoever deals with it next.
If any part of the leaking roof couldn’t be seen safely, we say so in the report. You will know exactly what was inspected and what wasn’t, and what we’d suggest next.
- Where
- Sutton (SM1, SM2, SM3, SM7)
- Region
- Greater London
- Price
- From £150 inc. VAT
- Your report
- Emailed report with photos and recommendations
- Survey days
- Weekdays, Saturdays and Sundays
- Insurance
- PI and public liability insurance
- Phone
- 07833 053749
- Page updated
- 27 October 2026

The survey, step by step
You don’t need to do much on the day. Show us any stains, drips or problem areas you know about, and we will take it from there. A typical survey takes about 1–2 hours at a typical home; commercial roofs usually need 3–4 hours. 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. If the building has a managing agent or access rules, tell us when you book.
- We help you choose the package that suits the leak.
- We agree a date, including weekends.
- The investigation works from the stain back to the roof.
- Moisture detection and thermal imaging are used where your package includes them and they help.
- The report explains the likely entry point and what needs attention.
Before we arrive
- Buyers: confirm access with the estate agent or seller
- Agree roof access with the managing agent if it’s shared
- Make a note of anything you’d like us to look at
Arrange a survey
Prices start from £150, including VAT. The exact figure depends on the roof and the package, so call 07833 053749 or use the contact form with the details.
Advice
Sutton questions
Do you carry out roof surveys in Sutton?
Yes. We cover the whole of London and South East England, and Sutton is part of that. Just call 07833 053749 or send us an email and let us know about the property.
Will parking be an issue for a roof survey in Sutton?
Sometimes, yes. Where there are permit zones, a visitor permit or nearby pay-and-display bay works well, and a driveway is even better.
What do I do with the report?
The report comes by email, and what you do next is up to you: raise it with a seller, send it to an insurer, brief a roofer or share it with a managing agent.
How should I prepare for the leak investigation?
Keep a note of when it leaks. Clear access to the loft. If water is near any fittings, have an electrician check them.
Do you look in the roof space?
Yes, where the survey calls for it and there’s safe access. Inside, we look for damp, staining, gaps and sagging.
How long does the visit take?
The visit typically takes about one to two hours, more where the leak is intermittent or the roof is large. We will give you an idea of timing as you book.
Will you fly a drone over my roof?
Where it helps and it is safe, yes. Whether we can fly on the day depends on the weather and the airspace rules, and we check for restrictions near airports before flying. We are a CAA-registered drone operator.
What a roof leak investigation doesn’t cover
Some things can’t be seen without opening up the roof, and that sets some limits:
- Carrying out the fix
- Leaks that only appear in weather we cannot recreate
- Leaks from plumbing, tanks or pipework rather than the roof
If in doubt, ring 07833 053749 or drop us an email and we will recommend the right survey before you book. What our survey covers.
What this survey covers
- Flat roof details
- Lead flashings
- Valleys and parapet gutters
- Chimney stacks
- Rooflights and dormers
- The roof space
- Slate and tile slopes
Rented homes, blocks and businesses
With a portfolio of properties, surveys can be booked for more than one address. To discuss a number of properties, phone 07833 053749 or send us an email with the addresses.
Where a roof is shared: we need access agreed with the freeholder or managing agent. Mention it when you contact us and we’ll plan the survey around it.
What else we do in Sutton
What we are asked to look at in Sutton
Flat roofs fail with age and wear. A felt roof frequently lasts around 15 to 20 years, and as it ages it splits, blisters and opens at the laps. Leaks often start at the edges, upstands and outlets.
Things that often lead to a survey include:
- Wet patches on loft insulation
- Brown rings on upstairs ceilings
- Leaks that appear only in driving rain
- Drips from nail tips in a cold loft
Homes near green spaces such as Manor Park can get more leaves in their gutters in autumn.
Questions to ask before you book
- Is there a chance to talk the report through?
- Their report turnaround times
- Whether they hold professional indemnity and public liability insurance
- What the report includes, and whether it has photographs
Roof by roof
Valleys
Stains from a valley leak often show some distance off. From inside the loft space, we follow the water’s route back.
Slate and tile slopes
Slipped, cracked or missing slates and tiles let rain onto the underlay. Ageing felt eventually lets water through.
Wind, rain and roofs in Sutton
In outer London, interwar semis with hipped, tiled roofs sit alongside older slate-roofed terraces. Hips, bay roofs and later loft conversions are typical of those semis, if your home is one of them. Knowing the roof type helps narrow down where water may be getting in. Historic houses such as Nonsuch Mansion, about 1.6 miles west, show how far back building in the area around Sutton goes. Period homes nearby can have lead valleys, tall chimneys and a patchwork of past repairs, and a listed home or one in a conservation area may need consent for changes of material.
For site and facilities teams at buildings like Robin Hood Junior School, a leak through a large roof is often found some distance from where the water shows inside. The streets around a church like St Nicholas Church are often among the oldest in a place, and if yours is one of the older homes nearby, old mortar, worn lead and slipped slates are the usual suspects when water gets in.
Sutton is about 9 miles south of Kensington, in Greater London. We carry out roof leak investigations in Sutton for houses, flats, blocks and commercial buildings, with a written report and photographs every time. Our area takes in places right across Greater London, from the larger towns to small villages. Our London page covers surveys nearby.
Roof leak investigations in SM1, SM2, SM3 and SM7 work the same way as everywhere else we cover. That includes homes and businesses on High Street, Manor Place and St Nicholas Way and the roads around them. Sutton is on the B2230, so it is easy for us to get to. Other places close to Sutton include Benhilton (1 mile north), Carshalton (1 mile east), Shanklin Village (1 mile south), St Helier (1 mile north) and Rosehill (1 mile north). Within a short drive, we also cover London (10 miles north-east), City of Westminster (10 miles north), Marylebone (11 miles north), Kensington (9 miles north), St Pancras (12 miles north) and Shoreditch (12 miles north-east).
Local landmarks in Sutton
Locally, jobs take us to homes and businesses close to Sutton Grammar School, The Grapes pub and Manor Park, among other places. There is a railway station in Sutton itself: Sutton (London) station. Nearby you’ll also find St Helier Hospital (1.1 miles north-east) and Honeywood Museum (1.3 miles east). The countryside around Sutton includes Devonshire Avenue Nature Area and Duppas Hill.
What affects the cost of roof leak investigations
Several things affect the price of a survey:
- Features like valleys, chimneys, dormers and parapets
- Roof area
- Extensions, dormers and garages with roofs of their own
- Basic, Standard or Premium
A small, low roof with good viewpoints takes less time than a tall, complicated one, and the package you pick makes a difference too. The price is always agreed first.
What we need to know
We will normally ask about:
- Any deadline, such as an exchange date
- The property’s address and postcode
- Where any leaks, stains or damp patches show inside
- What made you get in touch
We survey roofs on weekdays and at weekends. To find a date that works for you, call 07833 053749 or email us with the address and the days you’d prefer.