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Surrey · KT12

Roof lantern leak repairs in Walton-on-Thames

For roof lantern leak repairs in Walton-on-Thames, the job is simple to describe: we trace where the water gets in and repair the seal, capping, ridge, eaves or kerb that has failed. Photos first, a guide price back, then a written fixed price.

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A roof lantern leak is almost always a failed seal, a lifted capping, blocked eaves drainage or a problem where the kerb meets the flat roof — not a failed lantern. Send photos from Walton-on-Thames (KT12) and we'll tell you which it is — with the price agreed in writing before any work.

Rainwater running down an internal glazing bar of a roof lantern above a kitchen

Is it time for roof lantern leak repairs?

  • Brown staining or bubbling paint on the plasterboard lining around the lantern
  • Water running down the inside face of the glass
  • Damp patches on the ceiling a short distance from the lantern

Why it happens

Failed silicone or glazing tape

UV and thermal movement break down the seal between capping, gasket and glass. Once a gap opens, water tracks along the bar and drops at the lowest point.

Lifted or misaligned cappings

Top cappings clip or screw over each glazing bar. If one has lifted, been knocked or was never seated, rain gets straight under it.

Covering Walton-on-Thames and nearby

Even in drier areas, one heavy downpour with blocked eaves is enough to overflow a lantern indoors. Clearing the eaves channel is the simplest prevention there is.

From Guildford to Walton-on-Thames is roughly 13 miles — all part of the Surrey area we cover.

If you're just outside Walton-on-Thames, we also cover Sunbury-on-Thames (1 mile), Esher (2 miles), Hampton (3 miles).

Guide prices for roof lantern leak repairs in Walton-on-Thames

Guide price, per lantern£195–£595 ex VAT£234–£714 inc VAT

Typical range: £195–£595 ex VAT, which is £234–£714 with VAT, per lantern. Towers or scaffold, where needed, are priced into the quote. Your fixed price is confirmed in writing before any work starts.

Do you need permission in England?

In England, like-for-like repairs to a roof lantern don't usually involve building control. A full replacement or a bigger opening is controlled under the Building Regulations 2010, so we set out the route in writing first. Listed buildings need listed building consent from the local council for alterations, and conservation areas can have extra controls; like-for-like repairs are treated differently from changes, so check with the council's conservation officer first.

How does it work?

  1. Send photosWhatsApp or upload a few photos and tell us when it leaks.
  2. Guide priceWe reply with a guide price and whether a visit is needed.
  3. Fixed price in writingYou approve the price and the date before anything starts.
  4. Repair and testWe fix what's failed, water-test where it matters, and send photos.

Roof lantern leak repairs in Walton-on-Thames: questions

Do you cover Walton-on-Thames?

Yes. We cover Walton-on-Thames, including the KT12 postcode area, as part of Surrey. Send photos by WhatsApp or the form for a free guide price, and we'll confirm the fixed price in writing before any work starts.

Which places near Walton-on-Thames do you cover?

As well as Walton-on-Thames, we cover nearby Sunbury-on-Thames, Esher, Hampton, Hanworth and the rest of Surrey.

How much does a roof lantern leak repair cost?

Most leak repairs fall between £195 and £595 ex VAT for a standard lantern with ladder access. The fixed price is confirmed in writing before any work starts.

Will you show me what was wrong?

Yes. We photograph the failed detail and the finished repair and send them to you with the invoice.

Other lantern repairs in Walton-on-Thames

Roof lantern leak repairs near Walton-on-Thames

More about roof lantern leak repairs · All roof lantern repairs in Walton-on-Thames

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