Greater London · London and the South East
Flat roof survey in Tolworth, Greater London
Wondering about the flat roof at a property in Tolworth? We carry out flat roof surveys in Tolworth and across Greater London, with plain-English findings.
- Signs of deflection in the roof deck
- Outlets choked with leaves and silt
- Blisters and bubbles in the covering
What this survey cannot tell you
Without opening up the roof, some things stay hidden, so a survey has limits:
- A structural engineer’s assessment of the deck
- Whether old sheeting or boards contain asbestos
- A fixed date for when the roof will need replacing
If in doubt, phone 07833 053749 or use the contact form and we will suggest the right survey. What our survey covers.
What we look at
- Upstands and outlets
- Mastic asphalt
- EPDM rubber
- Felt flat roofs
- GRP fibreglass
- Single-ply membranes
How a flat roof survey works in Tolworth
Water through a flat roof does not always come in where the stain is. It can run along the deck from a split, an open lap or a failed upstand some distance away. Our survey covers the whole roof, not just the part above the mark, with photographs of anything that could be letting water in. A roofer can then start from a clear picture of the problem. If you’re worried about standing water left after rain and blisters and bubbles in the covering, we can find out what’s behind it, whatever the roof.
Water getting through a flat roof in London can travel under the covering and appear some way from the hole. Upstands against parapets, outlets and the edge where flat meets pitched are common entry points. In a converted house in Tolworth, the roof above may belong to the building rather than one flat.
Every survey ends with a written report, with photos, sent by email. It explains the condition of the flat roof, the defects we found and what we recommend.

- Location
- Tolworth (KT5, KT6, KT3)
- Wider area
- Greater London
- Prices
- From £150 inc. VAT
- Your report
- Written, with photos, emailed to you
- When we survey
- Monday to Sunday, daytime
- Insured
- PI and public liability insurance
- Phone
- 07833 053749
- Updated
- 27 October 2026
Common roof problems in Tolworth
Many flat roof problems start at the details rather than the main surface. Upstands, trims, outlets and rooflight kerbs each move and weather in their own way. Where they weren’t finished well, they tend to fail before anything else.
These are some of the problems a survey can pick up:
- Blistering in felt or asphalt
- Splits, cracks and crazing
- Pools of water lying on the roof
- Upstands pulling away from walls
For businesses in and around places like Bentall Centre, flat roofs over shops and units are easy to forget until water comes through a ceiling.
Choosing a roof surveyor
- Their track record with similar roofs
- Whether any drone flown is registered with the CAA
- Whether they hold professional indemnity and public liability insurance
- Which parts of the roof they’ll actually see
Flat roof surveys in Tolworth: local notes
About 2.5 miles south-east lies Fitznells Manor, a reminder of how long the area around Tolworth has been built on. Older roofs in the wider area can hide decades of patch repairs, so the detail matters. In outer London, interwar semis with hipped, tiled roofs sit alongside older slate-roofed terraces. If your home in Tolworth is one of them, bay roofs, hips and later dormers each have their own details. Mixed in with those pitched roofs are a good many flat ones, over rear extensions, dormers, garages and shops.
If you look after a building like Our Lady Immaculate Catholic Primary School, schools and public buildings often have big flat roofs, and their outlets and upstands need regular checks. Controlled parking zones are common in London, so mention any permit rules for Tolworth.
Tolworth is about 2 miles north-west of Ewell, in Greater London. Surveys in Tolworth work the same way as everywhere we cover: a careful inspection, photographs and a written report. Across Greater London, we cover Tolworth and the places around it. Our London page covers surveys nearby.
Flat roof surveys in KT5, KT6 and KT3 are booked the same way as anywhere else. If you need a flat roof survey at a property on Pyne Road, Ewell Road and Derby Road or a nearby road, we can help. We also cover the places around Tolworth: Berrylands (1 mile north), Old Malden (1 mile south-east), Surbiton (1 mile north-west), Worcester Park (1 mile south-east) and Chessington (2 miles south-west). Larger places within reach include London (11 miles north-east), City of Westminster (11 miles north-east), Marylebone (11 miles north-east), Kensington (9 miles north-east), St Pancras (12 miles north-east) and Shoreditch (13 miles north-east).
What’s near Tolworth
Around Tolworth, our work takes us to homes and buildings near Richard Challoner School, Hogsmill LNR and Shrewsbury House School. For rail, the closest station is Tolworth station, about 0.5 miles south of the centre. A little further out are Cockney Museum (2.1 miles south-east) and Bentall Centre (2.2 miles north-west). The countryside around Tolworth includes Southwood Open Space and The Lake.
What affects the price in Tolworth
Survey packages start from £150, with VAT included. What you pay for your roof depends on:
- The number of roofs, including extensions and garages
- Building height and the viewpoints available
- How complicated the roof is, with its valleys, chimneys and parapets
- Whether thermal imaging or a drone is needed
Simple, low roofs take less time to survey than tall or complicated ones, and the package matters as well. The price is always agreed first.
What to let us know when you contact us
Here’s what helps us most when you contact us:
- Why you want a survey: buying, a leak, a storm or new work
- Whether there is a loft hatch, a shared roof or tricky access
- Your timetable, such as an exchange date
- Any photos you have, taken from the ground or a window
When you’re ready to go ahead, call 07833 053749 or use the contact form. We will suggest a package, agree the price and find a date.
Tips from our surveys
A few practical points come up again and again on our surveys. They’re worth knowing whatever the roof:
- Note the date and type of any roof work
- Clear roof outlets and gutters each autumn
- Ask whoever fits equipment on the roof to make good the covering
- Look for standing water a day after rain
The report is emailed to you, ready to share with a roofer, the seller or a managing agent. Each defect is described in plain words and shown in a photo, so others can follow it without going up to look.
Check the roof from a window after a downpour. If water is still there a day or two later, have it checked.
Places near Tolworth
More services for Tolworth
Can I check my roof myself?
The one thing to avoid is getting up close. Slates, tiles, flat roofs and rooflights can give way, and a fall can be serious. That part is for a survey, using safe viewpoints and a drone where it applies.
A DIY look is useful, but it is not a survey. You will not see flashings, valleys or the backs of chimneys properly from the ground.
Questions from Tolworth
Is Tolworth in the area you cover?
We do. Every survey there gets the same written report with photographs.
Does a conservation area affect roof work in Tolworth?
Your council is the best source, with Historic England’s list for listed buildings. A change of roofing material may need consent in either case.
Does someone need to be in?
Not always. An outside-only look can be arranged beforehand, but the loft and any rooms with damp need someone to let us in.
Which days do you carry out surveys?
Surveys can be booked for any day of the week: weekdays, Saturdays and Sundays. Tell us which days suit you when booking.
Is ponding on a flat roof a problem?
Standing water on a flat roof deserves a closer look. It can point to blocked outlets, poor falls or a deck that is sagging, and it wears the covering faster. We record where it sits and the likely cause.
What happens after the survey?
The report comes by email, and you decide the next step: raise it with a seller, send it to an insurer, brief a roofer or share it with a managing agent.
Can you survey in bad weather?
Some surveys depend on the weather more than others. Drones can’t fly safely in strong wind or a downpour, and thermal imaging works best with a dry roof, little wind and a sunny day beforehand. We’ll rearrange with you if the weather is not right.
What we do, step by step
We photograph the roof as we go, so you can see in the report what we found and where. We take close-ups from wherever is safe. Most surveys take roughly 1–2 hours for most houses, though large, tall or awkward roofs take more time. London terraces rarely offer a view of the whole roof from one spot, so in Tolworth we work round the house, using the street, the windows, the loft and any safe vantage point behind it. Shared stairs or a basement flat? Tell us who holds the keys.
- We start with the address and, on larger roofs, the roof area and access.
- Inside, we look for signs of water under the roof where we can reach.
- We view the roof from safe positions and never walk on fragile surfaces.
- Each defect is photographed and its likely cause noted.
- The report explains the condition and recommends what to do first.
Preparing for the visit
- Leave side gates unlocked
- Keep pets in another room
- Let us know about any leaks, stains or damp patches you know of
Booking a survey
Unsure which package suits your roof? It is easiest to ring 07833 053749 or send us an email and describe the roof and what’s worrying you. We’ll explain the options and the price.