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Northern Ireland · County Down

Flat roof junction and flashing repairs in County Down

Dealing with a leak where the roof meets the lantern somewhere in County Down? We re-make the membrane, trims and flashing where the flat roof meets the lantern kerb. Our coverage includes Newry, Bangor, Down, Newtownards and the villages around them.

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The junction where the flat roof covering meets the lantern kerb is a weak point on many extensions. We carry out flat roof junction and flashing repairs across County Down, with a guide price from your photos and a fixed price in writing before any work starts.

Newly trimmed flat roof junction and flashing tape around a roof lantern kerb

Signs you need flat roof junction and flashing repairs

  • Leak near the lantern but not from the frame
  • Splits, blisters or lifted edges in the roof covering by the kerb
  • Missing or loose edge trims and flashings

What usually causes it?

Cracked GRP

Fibreglass roofs can crack at the kerb corner where movement concentrates.

Missing trims

Without a trim or flashing to protect the top edge, water gets in behind the membrane.

Roof lanterns in County Down

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.

Coastal wind drives rain hard against lanterns, so cappings and ridge seals on the seaward face take the most punishment.

What should you expect to pay for flat roof junction and flashing repairs in County Down?

Guide price, per lantern£245–£695 ex VAT£294–£834 inc VAT

Guide price for flat roof junction and flashing repairs: £245–£695 ex VAT (£294–£834 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?

Most lantern repairs in Northern Ireland need no approval at all. Where a job turns into a replacement, the Building Regulations (Northern Ireland) 2012 apply and we confirm how the work will be signed off before we start. 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.

Flat roof junction and flashing repairs in County Down: questions

Do you repair the whole flat roof?

We repair the area around the lantern. If the wider roof is failing we'll tell you and can quote, but we won't push a new roof if a local repair will do.

What does a junction repair cost?

Usually £245–£695 ex VAT, confirmed in writing before work starts.

Which towns in County Down do you cover?

All of County Down, including Newry, Bangor, Down, Newtownards, Banbridge, Downpatrick, Holywood. Rural and remote addresses are covered by arrangement.

How do I get a price for flat roof junction and flashing repairs in County Down?

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 Down

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More about flat roof junction and flashing repairs · All roof lantern repairs in County Down

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