In Portadown, as everywhere, the junction where the flat roof covering meets the lantern kerb is a weak point on many extensions. Send photos and we'll tell you what we think has failed.

Is it time for 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 Portadown
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 Armagh to Portadown is roughly 10 miles — all part of the County Armagh area we cover.
We also cover nearby Craigavon (3 miles), Lurgan (5 miles), Banbridge (8 miles).
What should you expect to pay in Portadown?
Typical range: £245–£695 ex VAT, which is £294–£834 with 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 Portadown: questions
How do I get a price for flat roof junction and flashing repairs in Portadown?
Send a few photos of the lantern and the problem, with your Portadown postcode. We'll reply with a guide price and tell you whether a visit is needed before we can fix the price.
Which places near Portadown do you cover?
As well as Portadown, we cover nearby Craigavon, Lurgan, Banbridge, Armagh and the rest of County Armagh.
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 Portadown
- Roof lantern leak repairs in Portadown
- Upstand and kerb repairs in Portadown
- Cracked lantern glass replacement in Portadown
- Cleaning and maintenance in Portadown
- Orangery lantern repairs in Portadown
- Commercial roof lantern repairs in Portadown
Flat roof junction and flashing repairs near Portadown
More about flat roof junction and flashing repairs · All roof lantern repairs in Portadown