Greater London · London and the South East
Roof leak investigation in Hook, Greater London
Roof leak investigations in Hook, backed by more than 20 years’ experience. Every survey ends with a written report and photographs.
- Damp patches next to the stack
- Leaks below a flat extension roof
- Drips in the loft during heavy rain
What this survey cannot tell you
Without opening up the roof, some things stay hidden, so a survey has limits:
- Carrying out the fix
- An intermittent leak that shows no trace on the day
- A structural engineer’s report
If you’re not sure which survey you need, phone 07833 053749 or email us and we’ll give you a straight answer before you book. The full list of what we check.
Roof types and parts we check
- The roof space
- Flat roof details
- Slate and tile slopes
- Rooflights and dormers
- Chimney stacks
- Valleys and parapet gutters
- Lead flashings
Roof leak investigation in Hook
Older homes have more places for water to get in. Worn lead, tired valley linings and blocked parapet outlets are frequent causes. A central valley gutter on a butterfly roof often turns out to be the source in heavy rain. We check parapets, valleys and flashings from every safe viewpoint. The findings are recorded with photos. We survey rooflights and dormers, flat roof details and valleys and parapet gutters, and common reasons people get in touch are water through the ceiling under a flat roof and damp underlay across a wide area.
In London, leaks often start somewhere hidden: a butterfly roof’s central valley gutter, a parapet gutter, a chimney flashing or a flat roof over a back addition. Whether you are tracing a leak or recording storm damage in Hook, those are among the first places to look. A hidden gutter that overflows can send water a long way before it shows.
How fast the report arrives depends on the package: Basic within 48 hours, Standard in 24–48 hours and Premium the same day.
- Place
- Hook (KT9, KT6, KT10)
- Region
- Greater London
- Cost
- From £150 inc. VAT
- Reports
- Emailed report with photos and recommendations
- Appointments
- Weekdays, Saturdays and Sundays
- Cover
- Professional indemnity and public liability
- Phone
- 07833 053749
- Page updated
- 27 October 2026

Your questions about roof leak investigations in Hook
Does a conservation area affect roof work in Hook?
Check Historic England’s online list first, then ask the council about conservation areas and any Article 4 direction. It matters most if you are planning to re-roof in a different material.
Is Hook in the area you cover?
Yes, Hook is within the area we cover. We work right across London and South East England. Just call 07833 053749 or send us an email and let us know about the property, and we’ll talk through which survey suits.
Why isn’t the leak directly above the stain?
Rain that gets in will run along whatever it lands on. On a flat roof it can travel under the covering before it shows. Following that route is what our investigation does.
Do you look in the loft space?
Yes, where the survey calls for it and there’s safe access. Inside, we look for damp, staining, gaps and sagging.
Is it a structural engineer’s report?
No. We note visible signs like sagging or deflection, but we don’t carry out calculations or give an engineer’s opinion. If we think you need an engineer, the report says so.
Do you climb onto every roof?
Only where it’s safe to do so. We check everything that can be seen safely: from the ground, from windows, from inside the roof space, from the roof where it’s safe and by drone where applicable. The report says if anything couldn’t be seen.
Can a leak be traced on a dry day?
Often, yes. Stains, tide marks, damp timbers and moisture readings typically point the way. Intermittent leaks can be harder, so photos and notes from when it leaks help a lot.
Leave it or get it looked at?
Damp loft insulation loses much of its value. A slow leak can soak it for months before a stain appears. The sooner the cause is found, the less needs replacing. In Hook, as across London, an overflowing gutter soaks the wall below, which can lead to damp inside. A small blockage left for a few winters becomes a damp problem.
Every price we give includes VAT. Our price is from £150, including VAT. We confirm the price for your survey before booking.
Why choose Independent Roof Survey in Hook
- Drones and thermal imaging where applicable
- Over 20 years’ experience
- Satisfaction rate of 98%
- CAA-registered drone operator (Flyer ID and Operator ID)
How we price roof leak investigations
Not every roof costs the same to survey, for these reasons:
- The number of roofs, including extensions and garages
- The type of building, from a house to a block or an office
- Which survey package you book
- The use of thermal imaging or a drone
A Basic Survey starts from £150, inc. VAT. The Standard Survey starts from £250 and the Premium Survey from £400. We confirm the exact price before you book.
Booking your survey
These details help when you get in touch:
- Any marks or damp showing indoors
- What made you get in touch
- Photos of the roof, taken safely from ground level or a window
- What kind of property and roof it is
Every survey is priced before it is booked, so you know where you stand. Prices start from £150, including VAT. To book, phone 07833 053749 or drop us an email.
The survey, step by step
Where it is relevant and can be reached safely, the loft space is checked as well as the outside. Inside, we look for staining, damp, gaps and signs of movement. All in, the survey normally takes between one and two hours for most homes, though a hard-to-trace leak can take longer. In Hook, visits are available on weekdays and at weekends. It helps if you can point us to a visitor permit or a nearby bay, and to clear a path to the loft hatch. Upstairs rooms at the back are useful too, as they frequently give the best view of a rear addition.
- We help you choose the package that suits the leak.
- A visit is booked for a weekday, Saturday or Sunday.
- 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.
Getting ready for the survey
- Gather any invoices or paperwork from past roof work
- Keep pets inside or away from the areas we are looking at
- If you are buying, check with the agent that we can get in
How to book
To get a price for roof leak investigations in Hook, call 07833 053749 or email us. The address, the type of property and what you’d like to know help us price the survey accurately.
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Useful tips for Hook property owners
Some practical points come up on survey after survey. They apply to most roofs:
- Note the weather when the leak shows
- Leave roof access to professionals
- Clear the loft hatch so we can get in
- Take dated photos of the leak
Keep the report after the work is done. If water appears again, it shows what was found before, which makes the next step quicker.
Check the loft after heavy rain, with care and a good torch. Look for drips, damp patches and stains on timbers. Take photos of anything that changes.
Wind, rain and roofs in Hook
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. Each of these roof types has its own typical places for water to get in. With Fitznells Manor about 2.6 miles south-east, Hook sits in an area with a long building history. On older houses around here, roofs frequently carry the marks of earlier repairs, from replaced slates to new lead.
If you look after a building such as St Paul's CofE Primary School, tracing a leak on a big roof starts with where the water appears and works back. For an older house near a landmark like St Paul's, lead flashings, valleys and old chimneys are typical places for water to get in. If you live near a park such as Stokes Field, or anywhere with mature trees, autumn leaves can block gutters and valleys, so outlets and downpipes are worth watching.
Hook is about 2 miles north-west of Ewell, in Greater London. Wherever you are in Hook, we can carry out roof leak investigations at your property, on a weekday, Saturday or Sunday. Across Greater London, we cover Hook and the places around it. Our London page covers surveys nearby.
Here we cover the KT9, KT6 and KT10 postcode area for roof leak investigations. Local streets include Elm Road, Moor Lane and Glen Road, and we cover them all. Main roads around Hook include the A243, so getting to you is simple. Other places close to Hook include Ditton Hill (1 mile north), Barwell (1 mile south-west), Long Ditton (1 mile north), Hinchley Wood (1 mile north-west) and Claygate (1 mile west). Within a short drive, we also cover London (13 miles north-east), City of Westminster (12 miles north-east), Marylebone (12 miles north-east), Kensington (10 miles north-east), St Pancras (14 miles north-east) and Shoreditch (15 miles north-east).
What’s near Hook
Locally, jobs take us to homes and businesses close to Stokes Field, Shrewsbury House School and Southborough High School and the streets around them. There is a railway station in Hook itself: Chessington North station. Other landmarks nearby include The Ashley Centre (3 miles south-east) and Tolworth Hospital (1.1 miles north-east). Open spaces near Hook include Kingston Hill Road area and The Lake.
Should I look at the roof myself first?
After strong wind, take a look from the pavement or garden: broken slates or tiles in the garden, gaps along the ridge or loose lead are signs to note. Leave anything above ground level to a survey.
After heavy rain, check ceilings and the tops of walls for new stains. Photograph them and note the date.