Roof surveys across London and the South East 07833 053749info@independentroofsurvey.co.uk

Surrey · London and the South East

Roof Leak Investigation in Westhumble

Get a clear view of the leaking roof at a property in Westhumble from an independent roof surveyor. Visits run on weekdays and weekends, in the daytime.

  • Wet patches on loft insulation
  • Ceiling stains that grow after rain
  • Wet patches high on an inside wall

Book a roof leak investigation in Westhumble

Roof leak investigation in Westhumble: what you get

Some ‘leaks’ are not leaks at all. Condensation in a cold, poorly ventilated loft can drip from nails and timbers, and the stains look much like a leak. Knowing which it is means the right fix can be done, because they need very different work. We check the pattern of damp, the weather and the ventilation before reaching a view. If you’ve noticed staining where a gutter or parapet meets the wall and leaks at a dormer or roof window, a survey will tell you what’s going on.

For a small place like Westhumble, the inspection is the same as anywhere: we simply plan the journey and access ahead. It is useful to know where the water appears, in what weather, and what you’ve seen outside, plus any earlier repairs. If you have photos of the water coming in, they help as well.

The report records the leaking roof as we found it on the day. It’s useful right away, and a good reference for later.

Where
Westhumble (RH5)
Region
Surrey
Price
From £150 inc. VAT
Report
Emailed report with photos and recommendations
Appointments
Monday to Sunday, daytime
Insured
Professional indemnity and public liability
Phone
07833 053749
Last updated
27 October 2026
Illustration of a loft under a pitched roof with water dripping from the ridge into a puddle, and a magnifying glass

Questions from Westhumble

Is my home in Westhumble listed or in a conservation area?

Historic England’s list shows listed buildings, and the local council can tell you about conservation areas. If a home is listed, changes that affect its special interest need listed building consent, and in a conservation area re-roofing in different materials may need permission.

Do you cover Westhumble?

Yes. We work right across London and South East England, and Westhumble is part of that. Just ring 07833 053749 or send us an email and let us know about the property.

Why is not 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 finds a way through the ceiling. Tracing that path is the heart of a leak investigation.

How do I book a survey in Westhumble?

The quickest way is to call 07833 053749 or use the contact form. Tell us the address and a little about the roof, and we will take it from there. Surveys run seven days a week.

Can you give me structural calculations?

No. We’re roof surveyors, not structural engineers. If we see signs that need an engineer’s opinion, we will recommend one.

Can you trace a leak in dry weather?

Often, yes. Stains, tide marks, damp timbers and moisture readings typically point the way. Some leaks only show in particular weather, so photos and notes from when it leaks help a lot.

Is the repair included in the leak investigation?

This service finds and reports the cause, not to carry out the repair. The report gives any roofer a clear brief.

What we are asked to look at in Westhumble

Chimneys can let water in by several routes. Eroded pointing, cracked flaunching, failed flashings and open pots can all be responsible. The damp may appear on a chimney breast, a ceiling or in the loft.

It’s worth booking a survey if you’ve seen:

  • Damp patches next to the stack
  • A leak that comes and goes with the weather
  • Condensation that looks like a leak
  • Wet patches high on an inside wall

If you live near a park such as Norbury Park, or anywhere with mature trees, autumn leaves can block gutters and valleys, and blocked gutters overflow and soak walls.

Before booking any roof surveyor

  • How they’ll see the roof: from ground level, the loft, the roof or by drone
  • Whether they hold professional indemnity and public liability insurance
  • What the survey will not cover
  • Their drone registration, if they fly one

What’s in a roof survey

Westhumble roofs and the weather

With Polesden Lacey about 1.8 miles west, Westhumble sits in an area with a long building history. If you own one of the older houses, expect a mix of original materials and later repairs on the roof, and any change of roofing material on a listed home needs checking with the council first. Handmade clay tiles and tile-hung walls are typical of Surrey’s older houses. Horsham stone slab roofs survive on some old buildings in Surrey. The covering and its details give the first clues when tracing where water is coming from.

A roof leak in a hotel or guest house around Westhumble means lost rooms as well as repairs. If you own one of the older houses in the streets near Church of St Michael, lead flashings, valleys and old chimneys are typical places for water to get in.

Westhumble is about 2 miles north of Dorking, in Surrey. Wherever you are in Westhumble, we can come and survey your property. We cover towns and villages across Surrey, from the larger towns to small villages. For surveys nearby, see our Guildford page.

Postcode districts we cover here for roof leak investigations: RH5. Local streets include Adlers Lane, Chapel Lane and Burney Road, and we cover them all. We also cover the places around Westhumble: Pixham (1 mile south-east), Mickleham (1 mile north-east), Ranmore Common (2 miles south-west), Dorking (2 miles south) and Westcott (2 miles south-west). Further out, we also cover Guildford (10 miles west), Woking (11 miles north-west), Epsom (6 miles north-east), Horley (9 miles south-east), Redhill (7 miles east) and Ewell (8 miles north-east).

Local landmarks in Westhumble

Locally, jobs take us to homes and businesses close to Norbury Park, Stepping Stones pub and Pippbrook House, among other places. Westhumble has its own railway station: Box Hill & Westhumble station. Well-known places in the area include Headley Court (3.6 miles north-east) and Betchworth Castle (1.9 miles south-east). Open spaces near Westhumble include Box Hill and Reigate Heath.

Map of Westhumble © OpenStreetMap contributors

Rented homes, blocks and businesses

If you own several properties, you can book surveys for several addresses. To discuss a number of properties, phone 07833 053749 or drop us an email with the addresses.

Managing agents and residents’ management companies use roof surveys to plan maintenance. The report sets out what needs attention now and what can wait.

Why act early in Westhumble

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. It gives the next repair a far better chance. For an older or listed building in a place like Westhumble, repairs may need matching materials and consent, so leaving a defect until it is urgent leaves less time to plan.

Thermal imaging and drone inspection (where applicable) come with the Premium Survey, which starts from £400, inc. VAT. We’ll tell you which package suits the questions you have.

What you get with us

  • A sub-250g drone, flown with a CAA Flyer ID and Operator ID
  • 5,000+ surveys completed
  • Satisfaction rate of 98%
  • Clear package prices, inc. VAT

Read how roof surveys are priced or what we found on two real jobs.

What a roof leak investigation doesn’t cover

It helps to know what a survey won’t do before you book:

  • Defects hidden under coverings or inside walls without opening up
  • The repair itself (the investigation finds and reports the cause)
  • Plumbing leaks that look like roof leaks

Not sure which survey suits your roof? You can call 07833 053749 or send us an email and we will tell you. The full list of what we check.

What this survey covers

  • Rooflights and dormers
  • Flat roof details
  • Chimney stacks
  • Lead flashings
  • Slate and tile slopes
  • The roof space
  • Valleys and parapet gutters

The survey, step by step

It is useful to start with what’s prompted the survey: a purchase, a leak, a storm, new work or simply peace of mind. That way we can focus on what matters to you. Most visits take about one to two hours for most homes, though a hard-to-trace leak can take longer. Rural addresses near Westhumble can be hard to find from a postcode alone, so a few directions are welcome. After that, the survey runs as it would anywhere.

  1. You get in touch with details of the leak and any photos.
  2. Inside, we check the damp area and the roof space above it.
  3. We check the likely entry points outside, like flashings, valleys, chimneys and gutters.
  4. Where it helps, we take moisture readings and use thermal imaging.
  5. Your report sets out where the water is most likely getting in, with photos and recommendations.

Preparing for the visit

  • Keep pets inside or away from the areas we’re looking at
  • Tell us about parking before the day
  • If the roof is shared, arrange access with whoever manages the building

How to book

To arrange a survey, call 07833 053749 or drop us an email and let us know the address and what’s prompted the survey. You will know the price before anything is booked.

Ask for a survey

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What we look for on each type of roof

Chimney stacks

A stack has several possible ways in for rain. We check each one as far as we can safely see, and look for damp on the breast inside.

Parapet and box gutters

We check the linings, joints and outlets where we can see them safely, and look for signs of past overflowing.

20+ yearsRoof survey experience
5,000+ surveys98% customer satisfaction
Drones and thermal imagingCAA-registered drone operator
Fully insuredProfessional indemnity and public liability
Reports from £150Prices include VAT