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Gwynedd · LL57

Upstand and kerb repairs in Bangor, Gwynedd

We cover Bangor, Gwynedd and the wider Gwynedd area for upstand and kerb repairs. In short, we repair, raise, insulate or rebuild the kerb the lantern sits on and re-cover it — and you know the price before any work begins.

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We carry out upstand and kerb repairs in Bangor, Gwynedd and across the LL57 area. The upstand, or kerb, is the raised frame the lantern sits on.

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

Signs you need 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

Common causes we find

Kerb too low

If the kerb doesn't rise enough above the finished roof, water sits against the joint during heavy rain.

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.

Roof lanterns in Bangor, Gwynedd

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.

Near the coast, salt in the air is hard on aluminium finishes and fixings; washing the frame occasionally and touching in chips keeps corrosion away.

Close by, we also cover Llangefni (8 miles), Caernarfon (8 miles), Llandudno (14 miles).

How much should it cost?

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?

Most lantern repairs in Wales need no approval at all. Where a job turns into a replacement, the Building Regulations 2010 (as applied in Wales) apply and we confirm how the work will be signed off before we start. 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 Bangor, Gwynedd: questions

Do you cover Bangor, Gwynedd?

Yes. We cover Bangor, Gwynedd, including the LL57 postcode area, as part of Gwynedd. 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.

How do I get a price for upstand and kerb repairs in Bangor, Gwynedd?

Send a few photos of the lantern and the problem, with your Bangor, Gwynedd postcode. We'll reply with a guide price and tell you whether a visit is needed before we can fix the price.

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 Bangor, Gwynedd

Upstand and kerb repairs near Bangor, Gwynedd

More about upstand and kerb repairs · All roof lantern repairs in Bangor, Gwynedd

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