The junction where the flat roof covering meets the lantern kerb is a weak point on many extensions. Send photos from Tyldesley (M29) 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
- 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.
About Tyldesley and the M29 area
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.
In built-up areas, access is often the hardest part of the job — through the house, over a neighbour's roof, or with parking restrictions. We plan access in advance and price any tower or scaffold into the quote.
We cover Tyldesley as part of Greater Manchester, about 10 miles from Manchester.
We also cover nearby Atherton (1 mile), Leigh (2 miles), Walkden (3 miles).
What should you expect to pay in Tyldesley?
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 England?
Straightforward repairs — resealing, gaskets, cappings, eaves and like-for-like parts — don't normally need building regulations approval in England. Replacing the whole lantern or enlarging the opening is different and falls under the Building Regulations 2010; we confirm in writing which route applies before any replacement. Listed buildings need listed building consent from the local council for alterations, and conservation areas can have extra controls; like-for-like repairs are treated differently from changes, so check with the council's conservation officer first.
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 Tyldesley: questions
Do you cover Tyldesley?
Yes. We cover Tyldesley, including the M29 postcode area, as part of Greater Manchester. 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 Tyldesley?
Send a few photos of the lantern and the problem, with your Tyldesley postcode. We'll reply with a guide price and tell you whether a visit is needed before we can fix the price.
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.
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 Tyldesley
- Roof lantern leak repairs in Tyldesley
- Upstand and kerb repairs in Tyldesley
- Cracked lantern glass replacement in Tyldesley
- Condensation diagnosis and fixes in Tyldesley
- Roof lantern respraying in Tyldesley
- Roof lantern replacement in Tyldesley
Flat roof junction and flashing repairs near Tyldesley
More about flat roof junction and flashing repairs · All roof lantern repairs in Tyldesley