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Northern Ireland · County Londonderry

Upstand and kerb repairs in County Londonderry

Across County Londonderry — Derry~Londonderry, Coleraine, Limavady and beyond — we repair, raise, insulate or rebuild the kerb the lantern sits on and re-cover it. Photos first, then a written fixed price.

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The upstand, or kerb, is the raised frame the lantern sits on. We carry out upstand and kerb repairs across County Londonderry, with a guide price from your photos and a fixed price in writing before any work starts.

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

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.

Roof lanterns in County Londonderry

Damp, mild winters keep moss and algae growing on flat roofs and lantern frames, which holds water against seals and blocks weep slots. Regular clearing makes a real difference in wetter areas.

What should you expect to pay for upstand and kerb repairs in County Londonderry?

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 Northern Ireland?

Straightforward repairs — resealing, gaskets, cappings, eaves and like-for-like parts — don't normally need building regulations approval in Northern Ireland. Replacing the whole lantern or enlarging the opening is different and falls under the Building Regulations (Northern Ireland) 2012; we confirm in writing which route applies before any replacement. Listed buildings in Northern Ireland need listed building consent from the council for alterations; check with the council's planning service 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 County Londonderry: questions

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.

Which towns in County Londonderry do you cover?

All of County Londonderry, including Derry~Londonderry, Coleraine, Limavady, Magherafelt, Portstewart. Rural and remote addresses are covered by arrangement.

How do I get a price for upstand and kerb repairs in County Londonderry?

Send a few photos of the lantern and the problem with your postcode, by WhatsApp or the form. We reply with a guide price and confirm the fixed price in writing before any work starts.

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More about upstand and kerb repairs · All roof lantern repairs in County Londonderry

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