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Slough · London and the South East

Roof leak investigation in Langley, Slough

Wondering about the leaking roof at a property in Langley? You can book a roof leak investigation in Langley and across Slough, with plain-English findings.

  • Wet patches high on an inside wall
  • Wet patches on loft insulation
  • Damp on a chimney breast

Roof leak investigations in Langley

About our roof leak investigation in Langley

We use moisture detection and thermal imaging where they help. Moisture readings show which materials are wet. Thermal imaging shows temperature differences that can point to wet areas, not water itself, so its findings are checked with moisture readings. Thermal imaging is part of the Premium Survey, and moisture detection comes with Standard. The best thermal results come after a sunny day, with a dry roof and little wind. We are frequently asked to look into staining around the chimney inside and drips from nail tips in a cold loft, on chimney stacks, flat roof details and lead flashings.

Older cottages and houses around Langley may have roofs with little or no underlay. Once the slates or tiles let water past, there’s little to stop it reaching the ceiling. Whether it’s long-term wear or recent damage makes a difference to what happens next. In the loft, damp battens or wet insulation are often the first clues.

Pictures do a lot of the work in our reports, so you can see each defect rather than just read about it. If something couldn’t be seen safely, the report is clear about it.

Illustration of a dotted line of water running from the roof to a puddle on the loft floor
Place
Langley (SL3)
Wider area
Slough
Price
From £150 inc. VAT
Reports
A written report with photos, by email
When we survey
Weekdays and weekends
Insured
Professional indemnity and public liability
Telephone
07833 053749
Page updated
27 October 2026

Different roofs, different checks

Chimney stacks

Chimneys let water in through pointing, flaunching, flashings and open pots. We check each one as far as we can safely see.

Slate and tile slopes

Cracked mortar lets ridge and hip tiles move. Water then gets in along the top of the roof.

Practical tips

Getting the most from a roof leak investigation starts before we arrive and carries on afterwards. Tips:

  • Keep water away from lights and sockets
  • Leave roof access to professionals
  • Keep a photo record of the damp patch
  • Protect furniture and flooring under the leak

Your report arrives by email, with photographs of what we found. It explains the likely entry point, the route the water takes and our recommendations. Basic reports come within 48 hours, Standard within 24 to 48 hours and Premium the same day.

Plan a roof survey every few years. They’re where most leaks start, and catching wear early keeps water out.

For landlords and managing agents

Shared roofs need a little more planning: access has to be agreed with whoever owns or manages the building. Mention it when you get in touch and we’ll plan the visit with that in mind.

We also survey roofs for businesses and commercial landlords, from shops and offices to industrial units. Bigger roofs take more time, and they’re priced for the size.

Why get it checked now?

Lingering damp encourages mould on ceilings and walls. It’s unpleasant, and it is harder to deal with once established. Stopping the water is the first step. On a bungalow or cottage around Langley, the roof sits close to the rooms below, so water can show inside quickly once it gets past the covering. Finding the cause first saves a second job inside.

Prices quoted always include VAT, and the report isn’t charged as an extra. Our price is from £150, including VAT. Size, height and access decide where your roof falls.

Why book us in Langley

  • PI and public liability insurance
  • Drones and thermal imaging where it applies
  • 98% of clients satisfied
  • An independent look at the roof

Take a look at how roof surveys are priced and two real surveys.

How the survey works

We look at the roof from outside and, where it is relevant and there’s safe access, from inside the loft space too. In the loft, the signs we look for are staining, damp, daylight and sagging. The whole visit usually takes between one and two hours, more where the leak is intermittent or the roof is large. In a smaller place like Langley, parking is seldom the issue; lanes, gates and long drives are worth mentioning. On bungalows and lower roofs, much can be seen from the ground, with the loft showing the underside, while taller roofs may need other vantage points or the drone where applicable.

  1. We help you choose the package that suits the leak.
  2. A visit is booked for a weekday, Saturday or Sunday.
  3. We inspect inside and out, starting from the stain.
  4. Moisture detection and thermal imaging are used where your package includes them and they help.
  5. The report explains the likely entry point and what needs attention.

Preparing for the visit

  • Clear the way to the loft hatch
  • Gather any invoices or paperwork from past roof work
  • Note where any stains or damp appear

Arrange a survey

To arrange a survey, ring 07833 053749 or send us an email and let us know the address and what’s prompted the survey. We will confirm the price before you book.

Book your survey

Advice

What a roof leak investigation looks like in Langley

With Windsor Castle about 2.7 miles south-west, Langley sits in an area with a long building history. Period homes nearby can have lead valleys, tall chimneys and a patchwork of past repairs, and a listed home or one in a conservation area may need consent for changes of material. Across the South East, older homes tend to have slate or clay tiles, and many later ones concrete tiles. Knowing the roof type helps narrow down where water may be getting in.

If you own a rental within reach of Langley station, a tenant living with a leak needs the cause found, not just the stain painted over. Trees in and around Ditton Park shed leaves that can end up in nearby gutters, and an overflowing gutter soon means a wet wall.

Langley is about 2 miles east of Slough, in Slough. We carry out roof leak investigations in Langley for houses, flats, blocks and commercial buildings. We cover towns and villages across Slough. We also survey roofs in Guildford.

We work across the SL3 postcode area for roof leak investigations and the streets around it. Streets in the area include Fox Road, New Road and Ives Road, all of which we cover. Neighbouring places we cover for roof leak investigations include Middlegreen (1 mile north-west), George Green (1 mile north), Shreding Green (1 mile north-east), Upton (2 miles west) and Richings Park (2 miles east). We also work in nearby towns like Cippenham (4 miles west), Britwell (4 miles north-west), Burnham (5 miles west), Stoke Poges (3 miles north-west), Huntercombe (5 miles west) and Farnham Common (4 miles north-west). Being one of Slough’s larger places, Langley has every kind of building, from houses and flats to offices.

Landmarks near Langley

We work in homes and buildings around Upton Court Grammar School, The Red Lion Public House and Langley Academy and the streets around them. For rail, the closest station is Langley station, roughly 0.5 miles east of the centre. A little further out are Windsor Castle (2.7 miles south-west) and Upton Hospital (1.7 miles west). The countryside around Langley includes Staines Reservoirs and Uxbridge Moor.

Map of Langley © OpenStreetMap contributors

Common roof problems in Langley

Flat roofs fail with age and wear. A felt roof frequently lasts around 15 to 20 years, and splits, blisters and lifting laps let water in. Upstands and outlets are common weak points.

Most people get in touch when they’ve noticed something like this:

  • Damp ceilings under a flat roof
  • Drips in the loft during heavy rain
  • Stains around a skylight
  • Damp patches next to the stack

If you look after a building such as The Langley Academy Primary, tracing a leak on a big roof starts with where the water appears and works back.

Before booking anyone

  • Their report turnaround times
  • Which viewpoints they use to see the roof
  • Whether VAT is in the quoted price
  • Are they insured for the work?

What a roof survey includes

Langley questions

Will you come out to Langley?

Yes, Langley is covered. We work right across London and South East England, and smaller places are part of that. The journey is planned ahead, so it’s useful to know about access.

Do you carry out roof surveys in Langley?

We do. The survey and report are the same in Langley as anywhere else.

Can thermal imaging help find my roof leak?

It can, when the conditions are right. The best results come after a sunny day, on a dry roof with little wind. Wet insulation holds heat longer than dry, which can show up on the image. Its findings are confirmed with a moisture check.

How much is a survey?

Prices start from £150, including VAT. We confirm the exact price before booking, and it depends on the roof’s size, access and the package you choose. To get a price, ring 07833 053749 or drop us an email.

Why isn’t the leak directly above the stain?

Because water travels. It can follow a timber or the underlay a long way first, so the entry point is often well away from the mark. We follow the route back instead of guessing.

Will you definitely find the leak?

Not every leak can be pinned down in a single visit. Many leave clear signs, but some only appear in certain weather. The report sets out what we found and the most likely routes.

Will you check the loft?

Yes, where the survey calls for it and there is safe access. We look for staining, damp, daylight and signs of movement, as far as the space allows.

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