The junction where the flat roof covering meets the lantern kerb is a weak point on many extensions. Send photos from Limavady (BT49) and we'll tell you which it is — with the price agreed in writing before any work.
Signs you need flat roof junction and flashing repairs
- Leak near the lantern but not from the frame
- Missing or loose edge trims and flashings
- Ponding on the roof next to the lantern
What usually causes it?
Unbonded membrane
EPDM or single-ply that has come away from the kerb lets water run behind it.
Cracked GRP
Fibreglass roofs can crack at the kerb corner where movement concentrates.
Roof lanterns in Limavady
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.
Limavady is around 15 miles from Derry~Londonderry, and both are within our County Londonderry coverage.
Neighbouring places we cover include Coleraine (13 miles), Portstewart (13 miles), Derry~Londonderry (15 miles).
Guide prices for flat roof junction and flashing repairs in Limavady
Most flat roof junction and flashing repairs jobs come in between £245 and £695 ex VAT (£294–£834 including 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?
- Send photosWhatsApp or upload a few photos and tell us when it leaks.
- Guide priceWe reply with a guide price and whether a visit is needed.
- Fixed price in writingYou approve the price and the date before anything starts.
- Repair and testWe fix what's failed, water-test where it matters, and send photos.
Flat roof junction and flashing repairs in Limavady: questions
Can you repair a lantern someone else installed in Limavady?
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.
Which places near Limavady do you cover?
As well as Limavady, we cover nearby Coleraine, Portstewart, Derry~Londonderry, Ballymoney and the rest of County Londonderry.
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.
Other lantern repairs in Limavady
- Roof lantern resealing in Limavady
- Glazing bar and capping repairs in Limavady
- Cracked lantern glass replacement in Limavady
- Timber roof lantern repairs in Limavady
- Flat rooflight and skylight repairs in Limavady
- Roof lantern replacement in Limavady
Flat roof junction and flashing repairs near Limavady
More about flat roof junction and flashing repairs · All roof lantern repairs in Limavady