In Seaham, as everywhere, many uPVC roof lanterns have an aluminium core with uPVC cladding and cappings. Send photos and we'll tell you what we think has failed.

Is it time for uPVC roof lantern repairs?
- Cracked cappings or ridge covers
- Green algae along the bars
- Rattling or whistling in wind
Common causes we find
UV ageing
uPVC components become brittle and crack after years of sun.
Clip failure
Clip-on cappings can lose their grip and lift.
Roof lanterns in Seaham
Colder winters mean more frosty mornings, and a roof lantern is often the coldest surface in a warm kitchen — so condensation is as common as genuine leaks. We check which you've got before quoting.
We cover Seaham as part of County Durham, about 10 miles from Durham.
Neighbouring places we cover include Houghton-le-Spring (5 miles), Sunderland (5 miles), Peterlee (5 miles).
Guide prices for uPVC roof lantern repairs in Seaham
Typical range: £175–£595 ex VAT, which is £210–£714 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?
Most lantern repairs in England need no approval at all. Where a job turns into a replacement, the Building Regulations 2010 apply and we confirm how the work will be signed off before we start. 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.
uPVC roof lantern repairs in Seaham: questions
Do you cover Seaham?
Yes. We cover Seaham, including the SR7 postcode area, as part of County Durham. 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 Seaham do you cover?
As well as Seaham, we cover nearby Houghton-le-Spring, Sunderland, Peterlee, Washington and the rest of County Durham.
Is it worth repairing an old uPVC lantern?
If the glass is sound and the frame isn't distorted, a repair is usually far cheaper than replacement.
Can you change my uPVC lantern's colour?
Yes, with a respray suitable for uPVC.
Other lantern repairs in Seaham
- Glazing bar and capping repairs in Seaham
- Flat roof junction and flashing repairs in Seaham
- Misted glass unit replacement in Seaham
- Slipped glass panel repairs in Seaham
- Condensation diagnosis and fixes in Seaham
- Timber roof lantern repairs in Seaham
uPVC roof lantern repairs near Seaham
More about uPVC roof lantern repairs · All roof lantern repairs in Seaham