The junction where the flat roof covering meets the lantern kerb is a weak point on many extensions. Send photos from Welshpool (SY21) 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
- 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
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.
Roof lanterns in Welshpool
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.
From Newtown to Welshpool is roughly 12 miles — all part of the Powys area we cover.
Close by, we also cover Newtown (12 miles), Wrexham (28 miles), Machynlleth (30 miles).
What should you expect to pay in Welshpool?
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 Welshpool: questions
Do you cover Welshpool?
Yes. We cover Welshpool, including the SY21 postcode area, as part of Powys. 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.
How do I get a price for flat roof junction and flashing repairs in Welshpool?
Send a few photos of the lantern and the problem, with your Welshpool postcode. We'll reply with a guide price and tell you whether a visit is needed before we can fix the price.
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 Welshpool
- Roof lantern leak repairs in Welshpool
- Slipped glass panel repairs in Welshpool
- Timber roof lantern repairs in Welshpool
- Opening vent and actuator repairs in Welshpool
- Flat rooflight and skylight repairs in Welshpool
- Commercial roof lantern repairs in Welshpool
Flat roof junction and flashing repairs near Welshpool
More about flat roof junction and flashing repairs · All roof lantern repairs in Welshpool