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West Glamorgan · SA4

Upstand and kerb repairs in Gorseinon

For upstand and kerb repairs in Gorseinon, the job is simple to describe: we repair, raise, insulate or rebuild the kerb the lantern sits on and re-cover it. Photos first, a guide price back, then a written fixed price.

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We carry out upstand and kerb repairs in Gorseinon and across the SA4 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
  • Cold, damp or mouldy lining around the opening

What usually causes it?

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.

Covering Gorseinon and nearby

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.

From Swansea to Gorseinon is roughly 5 miles — all part of the West Glamorgan area we cover.

If you're just outside Gorseinon, we also cover Llanelli (5 miles), Swansea (5 miles), Ammanford (9 miles).

What should you expect to pay in Gorseinon?

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

Guide price for upstand and kerb repairs: £395–£1,295 ex VAT (£474–£1,554 inc 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?

Straightforward repairs — resealing, gaskets, cappings, eaves and like-for-like parts — don't normally need building regulations approval in Wales. Replacing the whole lantern or enlarging the opening is different and falls under the Building Regulations 2010 (as applied in Wales); we confirm in writing which route applies before any replacement. 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 Gorseinon: questions

Do you cover Gorseinon?

Yes. We cover Gorseinon, including the SA4 postcode area, as part of West Glamorgan. 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 Gorseinon do you cover?

As well as Gorseinon, we cover nearby Llanelli, Swansea, Ammanford, Neath and the rest of West Glamorgan.

How much does an upstand repair cost?

Typically £395–£1,295 ex VAT depending on size, timber condition and the roof covering. The fixed price is confirmed in writing before work starts.

Can you add insulation to the kerb?

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

Other lantern repairs in Gorseinon

Upstand and kerb repairs near Gorseinon

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

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