Greater London · London and the South East
Roof Leak Investigation in Roundshaw
Tracing where water is getting into your roof for Roundshaw, from an experienced roof surveyor. You get a clear written report with photographs.
- Leaks below a flat extension roof
- Leaks that appear only in driving rain
- Drips from nail tips in a cold loft
How a roof leak investigation works in Roundshaw
Moisture readings and thermal imaging are used where they’re useful. Moisture detection confirms where timbers, plaster or insulation are damp. Thermal imaging shows temperature differences that can point to wet areas, not water itself, so its findings are checked with moisture readings. Thermal imaging is part of the Premium Survey, and moisture detection comes with Standard. Thermal imaging works best after a sunny day, on a dry roof with little wind. We survey valleys and parapet gutters, flat roof details and chimney stacks, and people most often book us about a leak that comes and goes with the weather and staining where a gutter or parapet meets the wall.
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 normally exclude wear and tear. A careful look in Roundshaw tells the two apart where the evidence allows. Photographs and a written account give you something specific to show an insurer, a landlord or a roofer.
Where we can’t see part of the leaking roof, the report says so. That way, it is clear what was covered and what wasn’t, and what we’d suggest next.
- Where
- Roundshaw (SM6, CR8, CR0)
- Wider area
- Greater London
- Prices
- From £150 inc. VAT
- Report
- Emailed report with photos and recommendations
- Survey days
- Weekdays and weekends
- Insured
- Professional indemnity and public liability
- Telephone
- 07833 053749
- Last updated
- 27 October 2026
What we look for on each type of roof
Slate and tile slopes
A gap in the coverings exposes the underlay. Ageing felt eventually lets water through.
Flat roof upstands and outlets
Each flat roof relies on its outlets to drain. When one blocks, water ponds and finds any weak spot. Outlets and the area around them are checked.
FAQs for Roundshaw
Will parking be an issue for a roof survey in Roundshaw?
Sometimes, yes. Where there are permit zones, a visitor permit or nearby pay-and-display bay works well, and a driveway is even better.
Do you cover Roundshaw?
Yes, Roundshaw is within the area we cover. Our area covers London and South East England. Just call 07833 053749 or email us and let us know about the property.
How long will you be at the property?
Allow about one to two hours on an ordinary house, while a commercial roof takes nearer three to four hours. We will confirm what to expect when we arrange the visit.
Is it a structural engineer’s report?
No. Our survey isn’t a structural engineer’s report, and it does not include calculations. If we see signs that need an engineer’s opinion, we will recommend one.
What does the report include?
Written findings with photos, explaining the condition of the leaking roof, any defects and our recommendations. Standard adds moisture detection and a structural check; Premium adds thermal imaging, drone inspection where it applies and structural analysis.
Could my leak actually be condensation?
Condensation can look very like a leak. Widespread damp on the underside of the roof in cold weather, with blocked vents, suggests condensation. We check the pattern, take moisture readings and tell you which is more likely.
How do I book a survey in Roundshaw?
Simply ring 07833 053749 or use the contact form. We’ll ask a few questions, confirm the price and agree a date, weekday or weekend.
What you can safely check yourself
Fresh stains on ceilings or walls after rain are worth noting. Photograph them and note the date.
The one thing to avoid is getting up close. Roofs are fragile and slippery, and a fall can be serious. That’s where a survey comes in, using safe viewpoints and a drone where applicable.
How we price roof leak investigations
The price reflects the time and kit the roof needs. The main factors are:
- Building height and the viewpoints available
- The roof’s overall size
- Commercial roofs and larger buildings
- The package you choose: Basic, Standard or Premium
There are three survey packages: Basic from £150, Standard from £250 and Premium from £400, all including VAT. What your roof costs depends on its size, access and what you want to find out.
Getting in touch
A little information up front helps. It is useful to include:
- Access details, like a loft hatch or a shared roof
- The reason for the survey, like buying, a leak or storm damage
- Any marks or damp showing indoors
- What kind of property and roof it is
Most bookings start with a short call: phone 07833 053749 or email us, and we will ask about the building and what you need. The price is agreed before a date is set.
Also near Roundshaw
What else we do in Roundshaw
What happens if roof problems are left?
Lingering damp encourages mould on ceilings and walls. It’s unpleasant, and it is harder to deal with once established. Finding the leak comes first. Behind a London parapet, a blocked gutter can sit full of water without anyone seeing it. By the time a ceiling stains, the timbers underneath may have been wet for a while.
Bigger, taller and commercial roofs take more time to survey, so they’re priced to match. The price is confirmed before you book.
What you get with us
- Two decades and more of roof surveys
- Drone and thermal imaging surveys available
- Over 5,000 surveys carried out
- Professional indemnity and public liability insurance
Read how roof surveys are priced and what we found on two real jobs.
Common roof problems in Roundshaw
A gutter that overflows can soak a wall and mark the ceiling inside. Hidden gutters behind parapets cause the most trouble, since a blocked outlet sends water over the lining and into the building.
Typical things we’re asked to look at include:
- Damp on a chimney breast
- Ceiling stains that grow after rain
- Staining where a gutter or parapet meets the wall
- A leak that comes and goes with the weather
For an older house near a landmark such as St. Paul's, water on an older roof tends to find its way in at the lead, the valleys or the chimney.
Before booking anyone
- Is VAT included in the price?
- When you’ll get the report
- Which limits apply to the survey
- What the report includes, and whether it has photographs
How it works
We work from the outside in: first the slopes, edges and gutters from every safe viewpoint, then the loft space where it can be reached. All told, expect an hour or two, more where the leak is intermittent or the roof is large. For a visit in Roundshaw, parking and access are the things to plan: let us know about parking, the floor the property is on, any shared entrance and loft access. We then look at whatever is safely visible from ground level, windows, the loft and, where it’s safe, the roof itself.
- We help you choose the package that suits the leak.
- We agree a date, including weekends.
- We inspect inside and out, starting from the stain.
- Where it is useful and included, we take moisture readings and use thermal imaging.
- You get photos, the likely cause and clear recommendations.
Before we arrive
- Unlock side gates and any roof access doors
- If you are buying, check with the agent that we can get in
- Let us know about any leaks, stains or damp patches you know of
Booking a survey
To book a survey, ring 07833 053749 or send us an email with the address and what you’d like to know about the roof. We will confirm the price before booking.
Related advice
Roof leak investigations around Roundshaw
Alongside Victorian and Edwardian terraces, outer London has a great many interwar semis, often with hipped roofs of clay or concrete tiles. Hips, bay roofs and later loft conversions are typical of those semis, if your home is one of them. Each of these roof types has its own typical places for water to get in. Historic houses such as Addington Palace, about 3.9 miles east, show how far back building in the area around Roundshaw goes. If you own one of the older houses, expect a mix of original materials and later repairs on the roof, and a listed home or one in a conservation area may need consent for changes of material.
If you own a rental within reach of Wallington station, finding the cause of a leak fast keeps a tenant’s home dry and the work focused. For businesses in and around places such as St George's Walk, a quick answer on where water is coming in keeps a business running.
Roundshaw is about 2 miles south-west of Croydon, in Greater London. In Roundshaw, as across Greater London, every roof gets the same careful survey. Our Greater London coverage includes Roundshaw and the places around it. Our London page covers surveys nearby.
Every address in SM6, CR8 and CR0 is covered for roof leak investigations, from the main roads to the quietest streets. That includes homes and businesses on Link Lane, Milton Road and Redwing Road. We also cover Russell Hill (1 mile east), Bandonhill (1 mile north), Peaks Hill (1 mile south), Waddon (1 mile north-east) and Wallington (1 mile north-west). Further out, we also cover London (10 miles north), City of Westminster (11 miles north), Marylebone (11 miles north), Kensington (11 miles north), St Pancras (12 miles north) and Shoreditch (12 miles north).
Around Roundshaw
Typical jobs here are in homes near Wilson's School, Waddon Ponds and The John Fisher School and the streets around them. Roundshaw’s nearest station is Wallington station, about 0.9 miles north-west of the centre. A little further out are Purley War Memorial Hospital (1.2 miles south-east) and Croydon Airport Visitor Centre (0.6 miles east). The countryside around Roundshaw includes Roundshaw Downs and Duppas Hill.