The junction where the flat roof covering meets the lantern kerb is a weak point on many extensions. Send photos from Newport, Gwent (NP10) and we'll tell you which it is — with the price agreed in writing before any work.
What you might be seeing
- Splits, blisters or lifted edges in the roof covering by the kerb
- 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 Newport, Gwent
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 Newport, Gwent, we also cover Risca (5 miles), Cwmbran (5 miles), Pontypool (8 miles).
What should you expect to pay in Newport, Gwent?
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 Wales?
Most lantern repairs in Wales need no approval at all. Where a job turns into a replacement, the Building Regulations 2010 (as applied in Wales) apply and we confirm how the work will be signed off before we start. Listed buildings in Wales need listed building consent from the local planning authority for alterations, with Cadw guidance on historic buildings; check with the council 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 Newport, Gwent: questions
Do you cover Newport, Gwent?
Yes. We cover Newport, Gwent, including the NP10 postcode area, as part of Gwent. 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.
Which places near Newport, Gwent do you cover?
As well as Newport, Gwent, we cover nearby Risca, Cwmbran, Pontypool, Caerphilly and the rest of Gwent.
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 Newport, Gwent
- Upstand and kerb repairs in Newport, Gwent
- Misted glass unit replacement in Newport, Gwent
- Roof lantern respraying in Newport, Gwent
- Flat rooflight and skylight repairs in Newport, Gwent
- Leak investigation and inspection in Newport, Gwent
- Cleaning and maintenance in Newport, Gwent
Flat roof junction and flashing repairs near Newport, Gwent
More about flat roof junction and flashing repairs · All roof lantern repairs in Newport, Gwent