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County Londonderry · BT47

Upstand and kerb repairs in Derry~Londonderry

For upstand and kerb repairs in Derry~Londonderry, 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 Derry~Londonderry and across the BT47 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

Is it time for upstand and kerb repairs?

  • Soft or spongy timber at the base of the lantern
  • Roof membrane not lapped up the kerb, or peeling off it
  • Ponding water against the kerb after rain

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.

Covering Derry~Londonderry and nearby

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.

If you're just outside Derry~Londonderry, we also cover Strabane (14 miles), Limavady (15 miles), Portstewart (27 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 Northern Ireland?

In Northern Ireland, 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 (Northern Ireland) 2012, so we set out the route in writing first. 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 Derry~Londonderry: questions

Do you cover Derry~Londonderry?

Yes. We cover Derry~Londonderry, including the BT47 postcode area, as part of County Londonderry. 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.

Can you repair a lantern someone else installed in Derry~Londonderry?

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.

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.

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 Derry~Londonderry

Upstand and kerb repairs near Derry~Londonderry

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

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