Windsor and Maidenhead · London and the South East
Roof Leak Investigation in Frogmill
Tracing where water is getting into your roof around Frogmill, with a written report you can act on. Book a weekday or weekend visit.
- Wet patches on loft insulation
- Leaks below a flat extension roof
- A leak that comes and goes with the weather
How a roof leak investigation works in Frogmill
The aim is to find where the water is getting in and explain it. The report shows, with photos, where we believe the water gets in and how it travels, and recommends what should be done. Whoever does the work then has a clear starting point. The investigation finds and explains the cause, and the repair itself is a separate job. If you’ve noticed stains around a skylight and wet patches high on an inside wall, we can find out what’s behind it, whatever the roof.
Many homes in small places like Frogmill face open ground, where storms hit ridges, verges and chimneys hardest. Once water gets into older walls, it takes a long time to dry, which makes finding the cause quickly worthwhile. A record with photographs is useful if you need to show the damage to anyone else.
The report does not just list problems. It explains what we found, why it matters and what we recommend, so you can plan your next steps.
- Where
- Frogmill (SL6)
- Wider area
- Windsor and Maidenhead
- Price
- From £150 inc. VAT
- Your report
- Written, with photos, emailed to you
- Appointments
- Weekdays and weekends
- Insurance
- PI and public liability insurance
- Telephone
- 07833 053749
- Updated
- 27 October 2026
How the survey changes by roof type
Chimney stacks
We check the outside of the stack and the breast inside, and it is not a flue or gas safety check.
Flat roof upstands and outlets
Upstands seal the edge of a flat roof where it meets a wall. If it is too low, cracked or poorly dressed, water gets behind it.
Prices for roof leak investigations in Frogmill
A few things affect what a survey costs:
- How many separate roofs there are, such as extensions, dormers and garages
- House, block, shop or office
- Chimneys, valleys, parapets and other details
- Whether thermal imaging or a drone is needed
What a survey costs comes down to the roof itself: how big it is, how high it is, the number of separate roofs and how it can be reached and seen safely. Roof leak investigation starts from £150, including VAT.
Getting in touch
To price your survey accurately, we will ask about:
- Any stains, drips or damp patches you’ve seen indoors
- Pictures of the roof from a safe spot, if you have them
- The style of property, from a terrace to a block
- The property’s address and postcode
To arrange a survey, phone 07833 053749 or send us an email with the address and what you’d like to know about the roof. You’ll know the price before anything is booked.
Frogmill questions
Will you come out to Frogmill?
Yes, we do. We cover the whole of London and South East England, and smaller places are part of that. Longer journeys are simply planned ahead of time.
Do you carry out roof surveys in Frogmill?
We do. The survey and report are the same in Frogmill as anywhere else, and visits run on weekdays and weekends.
Is thermal imaging part of a leak investigation?
Thermal imaging is used where it’s useful, and it’s included in our Premium Survey. It shows temperature differences, not water itself, so anything it suggests is checked with moisture readings.
Do I have to be there for the survey?
That depends on the survey. Inside the building and in the loft, we need someone to let us in.
Is it a structural engineer’s report?
No. We note visible signs such as sagging or deflection, but we are not structural engineers and do not carry out calculations. Where an engineer is needed, we say so in the report.
What does a roof survey cost?
Roof leak investigation starts from £150, including VAT. Our Basic Survey starts from £150, the Standard Survey from £250 and the Premium Survey from £400, all with VAT included.
Does the investigation include the repair?
Our job here is to trace the leak and explain it, not to carry out the repair. With the report, a roofer knows exactly where to look.
Why it’s worth a survey now in Frogmill
Guesswork repairs are a common reason leaks keep coming back. Because water travels, the real entry point may be somewhere else. An investigation finds the likely cause first. Where a roof is exposed, as many are in small places like Frogmill, driving rain gets into any weakness, and older walls, once damp, take a long time to dry.
Larger roofs, taller buildings and commercial roofs take longer, so they’re priced to match. You will know the figure before booking.
Why choose Independent Roof Survey in Frogmill
- Photos and a written report every time
- Over 5,000 surveys carried out
- Package prices that include VAT
- 20+ years’ experience
Read what a roof survey costs or what we found on two real jobs.
Nearby places to Frogmill
More services for Frogmill
Do you need a roof leak investigation in Frogmill?
When a slate slips or a tile cracks, the underlay takes the water. Ageing felt underlay eventually tears and lets water through, while some very old roofs have nothing under the coverings. Corroded nails, known as ‘nail fatigue’, are a frequent cause on slate roofs.
Look out for signs like these:
- Wet patches high on an inside wall
- Drips from nail tips in a cold loft
- Ceiling stains that grow after rain
- Stains around a skylight
For landlords with property near Henley-On-Thames station, a clear finding on where water gets in helps you brief a roofer straight away.
What to check before booking
- How they plan to inspect the roof safely
- Whether any drone flown is registered with the CAA
- Will the report include photos?
- How long the report takes to arrive
What this survey can’t tell you
Some things cannot be seen without opening up the roof, and that sets some limits:
- Water from pipes, tanks or heating systems
- An intermittent leak that shows no trace on the day
- What’s under the covering or behind the plaster
If you are not sure which survey you need, phone 07833 053749 or use the contact form and we will give you a straight answer before booking. The full list of what we check.
Roof types and parts we check
- Lead flashings
- Valleys and parapet gutters
- Chimney stacks
- Rooflights and dormers
- Flat roof details
- Slate and tile slopes
- The roof space
Roof leak investigations in Frogmill: local notes
Older houses in the South East often have slate or clay tile roofs, while many later estates have concrete tiles, and flat-roofed additions turn up almost everywhere. Each of these roof types has its own typical places for water to get in. With Harleyford Manor about 1 mile north-east, Frogmill sits in an area with a long building history. If yours is one of the older homes, 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.
For site and facilities teams at buildings such as Danesfield School, tracing a leak on a big roof starts with where the water appears and works back. For hotels and guest houses around Frogmill, a roof problem found early is far less disruptive than one found by a guest.
Frogmill is about 3 miles south-west of Marlow, in Windsor and Maidenhead. From houses to flats and shops in Frogmill, we can survey the roof on a weekday or at the weekend. Our area takes in places right across Windsor and Maidenhead, large and small. There’s also a page for Reading.
Every address in SL6 is within our area for roof leak investigations, from the main roads to the quietest streets. Close by, we survey roofs in Medmenham (1 mile north-west), Hurley (1 mile east), Danesfield (1 mile north), Bockmer End (1 mile north) and Cockpole Green (2 miles south-west). Larger places within reach include Maidenhead (4 miles east), Windsor (10 miles south-east), Boyn Hill (5 miles south-east), North Ascot (11 miles south-east), Cookham (4 miles east) and Furze Platt (4 miles east).
Around Frogmill
Around Frogmill, our work takes us to homes and buildings near Black Boys Inn. For rail, the closest station is Henley-On-Thames station, roughly 3.1 miles west of the centre. A little further out are Marlow Community Hospital (3.2 miles north-east) and Marlow Museum (2.7 miles north-east). Open spaces near Frogmill include Hurley Chalk Pit and Weycock Hill.
How the survey works
Every visit follows the same pattern: we listen to what’s been worrying you, inspect the roof from every safe viewpoint, take photographs as we go and make notes for the report. Most visits take roughly 1–2 hours for a house, and about three to four hours for a commercial roof. In a hamlet or village like Frogmill, a postcode doesn’t always lead to the right gate, so a few directions are welcome. The visit itself is the same as anywhere else.
- We start with your notes and photos of the leak.
- We examine the damp area and the rooms near it.
- From the loft space, we trace the water’s route where there is safe access.
- Outside, we check flashings, valleys, chimneys, gutters and flat roof details from every safe vantage point.
- We email a written report showing where the water most likely gets in.
Before the survey
- Gather any invoices or paperwork from past roof work
- Keep pets inside or away from the areas we are looking at
- Jot down any questions you want answered
Arrange a survey
We confirm the price for your roof before you book, so you know where you stand. Our price is from £150, including VAT. To book, phone 07833 053749 or send us an email.