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Northern Ireland · County Londonderry

Ridge and hip repairs in County Londonderry

We provide ridge and hip repairs across County Londonderry, from Derry~Londonderry, Coleraine, Limavady. We repair, reseal or replace the ridge end cap and the hip junctions at the top of the lantern, and you get a fixed price in writing before any work starts.

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The ridge is where the hip bars and glazing bars meet at the top of a lantern, usually under a moulded or pressed end cap. We carry out ridge and hip repairs across County Londonderry, with a guide price from your photos and a fixed price in writing before any work starts.

Ridge end cap and hip bars at the top of an anthracite aluminium roof lantern

Signs you need ridge and hip repairs

  • Drips near the centre or top of the lantern
  • A cracked or faded ridge end cap
  • Staining along the hip bars inside

What usually causes it?

UV-damaged end caps

Plastic ridge end caps become brittle and crack, especially on south-facing lanterns.

Poor original sealing

Ridge details are fiddly. If the original sealing was rushed, it's often the first place to leak.

Roof lanterns in County Londonderry

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.

What should you expect to pay for ridge and hip repairs in County Londonderry?

Guide price, per lantern£195–£445 ex VAT£234–£534 inc VAT

Guide price for ridge and hip repairs: £195–£445 ex VAT (£234–£534 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?

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.

Ridge and hip repairs in County Londonderry: questions

What does a ridge repair cost?

Usually £195–£445 ex VAT for a standard lantern, confirmed in writing before work starts.

Can you replace just the ridge cap?

Yes, if a compatible cap is available and the seals underneath are sound.

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 ridge and hip 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.

Other repairs in County Londonderry

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More about ridge and hip repairs · All roof lantern repairs in County Londonderry

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