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Gwent · NP11

Upstand and kerb repairs in Risca

Dealing with a rotten or leaking kerb in Risca (NP11)? We repair, raise, insulate or rebuild the kerb the lantern sits on and re-cover it, with a fixed price agreed in writing first.

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The upstand, or kerb, is the raised frame the lantern sits on. Send photos from Risca (NP11) and we'll tell you which it is — with the price agreed in writing before any work.

Roofer dressing EPDM membrane up the timber kerb under a roof lantern

Is it time for upstand and kerb repairs?

  • Water appearing below the lantern rather than from the glass
  • Soft or spongy timber at the base of the lantern
  • Roof membrane not lapped up the kerb, or peeling off it

What usually causes it?

Membrane not dressed up

The flat roof covering should run up the kerb and be trimmed or flashed. If it stops short, water gets behind it.

Rotten timber

Untreated or wet timber kerbs rot from inside, so the lantern loses support and the seals open.

Roof lanterns in Risca

Wind-driven rain is the real test of a roof lantern, and the wetter west sees plenty of it. Leaks that appear only in a storm from one direction usually point to the cappings or eaves on that face — a useful clue when you send us photos.

Risca is around 5 miles from Newport, Gwent, and both are within our Gwent coverage.

If you're just outside Risca, we also cover Newport, Gwent (5 miles), Cwmbran (5 miles), Caerphilly (6 miles).

Guide prices for upstand and kerb repairs in Risca

Guide price, per lantern£395–£1,295 ex VAT£474–£1,554 inc VAT

Typical range: £395–£1,295 ex VAT, which is £474–£1,554 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 Wales?

In Wales, 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 (as applied in Wales), so we set out the route in writing first. Listed buildings in Wales need listed building consent from the local planning authority for alterations, with Cadw guidance on historic buildings; check with the council before changing a lantern on a listed property.

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.

Upstand and kerb repairs in Risca: questions

Do you need to visit to price upstand and kerb repairs?

Not always. Clear photos are often enough for a guide price. Where the cause isn't obvious, a visit to inspect and water-test is charged from £145 ex VAT, confirmed before we come.

Can you repair a lantern someone else installed in Risca?

Yes. We repair lanterns whoever fitted them. If yours is still under the installer's warranty, contact them first so you don't affect it.

Can you add insulation to the kerb?

Yes. Insulated kerbs reduce cold bridging and help with condensation around the opening.

Will my ceiling need repairing?

If water has soaked the lining it may need making good after the leak is fixed; we can advise, but internal decorating isn't included unless quoted.

Other lantern repairs in Risca

Upstand and kerb repairs near Risca

More about upstand and kerb repairs · All roof lantern repairs in Risca

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