The junction where the flat roof covering meets the lantern kerb is a weak point on many extensions. Send photos from Prestatyn (LL19) 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
- Splits, blisters or lifted edges in the roof covering by the kerb
- Missing or loose edge trims and flashings
Why it happens
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.
Covering Prestatyn 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.
Prestatyn is around 26 miles from Wrexham, and both are within our Clwyd coverage.
We also cover nearby Rhyl (4 miles), Abergele (8 miles), Denbigh (11 miles).
Guide prices for flat roof junction and flashing repairs in Prestatyn
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?
In Wales, 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 2010 (as applied in Wales), so we set out the route in writing first. 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 Prestatyn: questions
How do I get a price for flat roof junction and flashing repairs in Prestatyn?
Send a few photos of the lantern and the problem, with your Prestatyn postcode. We'll reply with a guide price and tell you whether a visit is needed before we can fix the price.
Do you need to visit to price flat roof junction and flashing repairs?
Not always. Clear photos are often enough for a guide price. Where the cause isn't obvious, a visit to inspect and water-test is charged from £145 ex VAT, confirmed before we come.
What does a junction repair cost?
Usually £245–£695 ex VAT, confirmed in writing before work starts.
Can you repair a GRP roof without it showing?
Repairs are colour-matched as closely as possible, but new topcoat next to weathered topcoat can look slightly different at first.
Other lantern repairs in Prestatyn
- Glazing bar and capping repairs in Prestatyn
- Eaves beam and gutter repairs in Prestatyn
- Solar control and self-cleaning glass upgrades in Prestatyn
- uPVC roof lantern repairs in Prestatyn
- Leak investigation and inspection in Prestatyn
- Cleaning and maintenance in Prestatyn
Flat roof junction and flashing repairs near Prestatyn
More about flat roof junction and flashing repairs · All roof lantern repairs in Prestatyn