Oxfordshire · London and the South East
Cholsey Roof Leak Investigation
Roof leak investigations in Cholsey from an independent, experienced roof surveyor. More than 20 years and over 5,000 surveys.
- Damp walls below an overflowing gutter
- Brown rings on upstairs ceilings
- A leak that comes and goes with the weather
How a roof leak investigation works in Cholsey
Most roof leaks start at a joint rather than the middle of a slope. Flashings at chimneys and walls, valleys, gutters, parapets and flat roof upstands and outlets are the usual suspects. Each of these is checked in turn and follow the evidence. Chimneys, dormers and roof lights each add joints of their own. Each one is looked at from wherever it is safe to see it. We survey lead flashings, chimney stacks and rooflights and dormers, and common reasons people get in touch are water through the ceiling under a flat roof and water marks that spread in wet weather.
Houses in smaller places like Cholsey can stand more in the open, so wind and driving rain find any weakness in ridges, verges and flashings. A leak that only appears in certain weather frequently points to an exposed detail. Let us know when it happens when you get in touch. Gutters and downpipes on the exposed side are worth a look as well.
What you get is a clear record of the leaking roof on the day we saw it. It is useful right away, and a good reference for later, for instance when you want to check whether anything has changed.
- Location
- Cholsey (OX10)
- Region
- Oxfordshire
- Prices
- From £150 inc. VAT
- Your report
- A written report with photos, by email
- When we survey
- Weekdays and weekends
- Cover
- PI and public liability insurance
- Telephone
- 07833 053749
- Last updated
- 27 October 2026
Signs you need a roof leak investigation in Cholsey
Flat roofs fail with age and wear. Felt frequently lasts around 15 to 20 years, and splits, blisters and lifting laps let water in. Upstands and outlets are common weak points.
Common reasons to book include:
- Damp patches next to the stack
- Damp ceilings under a flat roof
- Damp walls below an overflowing gutter
- Water dripping from rafters or underlay
For site and facilities teams at buildings such as Cholsey Primary School, water through a big roof can travel a long way before it drips, so the search covers more than the obvious spot.
Choosing a roof surveyor
- Whether they hold professional indemnity and public liability insurance
- Their track record with similar roofs
- Will the report include photos?
- Which parts of the roof they’ll actually see
Landlords, agents and block managers in Cholsey
An agent can book and manage the survey for a landlord, and the report can go to both. Access is agreed with the tenant beforehand.
Where a roof is shared: access has to be agreed with whoever owns or manages the building. Let us know about it when booking and we’ll plan the survey around it.
Why get it checked now?
If a leak has been ‘fixed’ before and has come back, the cause was probably missed. A careful investigation looks at every likely route, not just the obvious one. That’s often what breaks the cycle. In a smaller place like Cholsey, wherever a roof is exposed, a loose ridge or flashing doesn’t stay loose for long. Each storm lifts it a little further.
Every price we give includes VAT, and the report isn’t charged as an extra. Roof leak investigation starts from £150, including VAT. Size, height and access decide where your roof falls.
What you get with us
- Weekday and weekend surveys
- 5,000+ surveys completed
- Drone and thermal imaging surveys available
- Two decades and more of roof surveys
See how roof surveys are priced and what we found on two real jobs.
Can I check my roof myself?
It helps to keep a record: dates of leaks, photos from the ground and any work done on the roof. Share it with us when you book.
A lot can be seen from ground level. Binoculars help you spot slipped slates or tiles, gaps along the ridge and a leaning stack. Please do not climb up for a closer look.
Roof by roof
Flat roof upstands and outlets
Each flat roof relies on its outlets to drain. When one blocks, water ponds and finds any weak spot. We check outlets and the covering around them.
Slate and tile slopes
Cracked mortar lets ridge and hip tiles move. Rain can then run in at the ridge.
Places near Cholsey
Also in Cholsey
Common questions in Cholsey
Is Cholsey within the area you cover?
Yes. Cholsey is within the area we cover, which takes in towns, villages and rural addresses. We cover the whole of London and South East England. Just mention lanes, gates or anything else about the route when booking.
Is Cholsey in the area you cover?
Yes, Cholsey is within the area we cover. We cover the whole of London and South East England. Just ring 07833 053749 or email us and tell us about the property, and we will talk through which survey suits.
How long does a roof leak investigation take?
On site, it normally takes between one and two hours on an ordinary house, with bigger or more complicated roofs taking longer. Report times depend on the package.
How do you tell a leak from 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 should I prepare for the leak investigation?
Make sure the loft can be reached. Gather any photos and notes about when it leaks, plus details of past repairs. Keep catching drips and keep water away from electrics.
Will you fly a drone over my roof?
Where it helps and the rules allow, yes. We hold a CAA Flyer ID and Operator ID and fly a drone under 250g, and the airspace and weather are checked before every flight.
Do you survey roofs on blocks of flats?
Yes, once access has been agreed. Roofs over flats are often shared, so the freeholder or managing agent needs to agree access. We inspect only the parts we’re allowed to reach.
What happens on the day
There isn’t much for you to do on the day. Point out anything you’ve noticed, such as stains, drips or loose pieces, and we’ll take it from there. A typical survey takes between one and two hours, more where the leak is intermittent or the roof is large. With a bit of garden around a house, as there often is around Cholsey, the roof can be viewed from several angles. Let us know if any side is fenced off or hard to reach. Inside, the loft is checked where it can be reached safely.
- 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.
- 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.
Preparing for the visit
- Mention any parking restrictions on your street
- Keep pets inside or away from the areas we are looking at
- Gather any invoices or paperwork from past roof work
Book a survey
Getting a price is simple: just call 07833 053749 or send us an email and give us some details about the property and we’ll explain which survey suits. We confirm the price before anything is booked.
Read more
Leaks and storm damage in Cholsey
With Brightwell Manor about 2.9 miles north, Cholsey sits in an area with a long building history. On older houses around here, roofs often carry the marks of earlier repairs, from replaced slates to new lead, and the council can say whether a home is in a conservation area. Older buildings in west Oxfordshire frequently have Cotswold stone slate roofs, and some Oxfordshire villages still have thatch. Across the South East, older homes tend to have slate or clay tiles, and many later ones concrete tiles. Where water gets in depends a good deal on what the roof is made of and how it’s detailed.
Take an older house close to Church of St Mary: leaks on older roofs often start at lead flashings, valleys or around old chimney stacks. Landlords with a home close to Cholsey station may find that a clear finding on where water gets in helps you brief a roofer right away.
Cholsey is about 5 miles south-east of Didcot, in Oxfordshire. Cholsey is one of many places we visit across Oxfordshire. Cholsey is one of the places in Oxfordshire where we work. You can also see our page for Reading.
Here we cover the OX10 postcode area for roof leak investigations. Whether your property is on Station Road, Church Road and Lapwing Lane or a nearby road, we can survey it. Close by, we survey roofs in Winterbrook (1 mile north-east), North Stoke (1 mile east), Moulsford (1 mile south), South Stoke (2 miles south) and Mongewell (2 miles north-east). We also work in nearby towns like Oxford (13 miles north), Didcot (5 miles north-west), Abingdon-on-Thames (9 miles north-west), Thame (14 miles north-east), Wantage (12 miles west) and Henley-on-Thames (11 miles east).
Landmarks near Cholsey
We work in homes and buildings around Wallingford School, Cranford House School and Morning Star pub, among other places. There is a railway station in Cholsey itself: Cholsey station. Well-known places in the area include Wallingford Castle (2.4 miles north-east). Green spaces nearby include Cholsey Marsh and Wittenham Clumps.