ROOFLANTERNREPAIRS.co.uk
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England · Cornwall

uPVC roof lantern repairs in Cornwall

uPVC roof lantern repairs in Cornwall: we replace brittle end caps, cappings and gaskets and reseal uPVC lanterns. We cover towns including Truro, Redruth, Falmouth — send photos for a free guide price.

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Many uPVC roof lanterns have an aluminium core with uPVC cladding and cappings. We carry out uPVC roof lantern repairs across Cornwall, with a guide price from your photos and a fixed price in writing before any work starts.

Weathered white uPVC roof lantern on a single-storey rear extension

Signs you need uPVC roof lantern repairs

  • Cracked cappings or ridge covers
  • Rattling or whistling in wind
  • Leaks at the ridge or eaves

What usually causes it?

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 Cornwall

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.

Near the coast, salt in the air is hard on aluminium finishes and fixings; washing the frame occasionally and touching in chips keeps corrosion away.

What should you expect to pay for uPVC roof lantern repairs in Cornwall?

Guide price, per lantern£175–£595 ex VAT£210–£714 inc VAT

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?

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?

  1. Send photosWhatsApp or upload a few photos and tell us when it leaks.
  2. Guide priceWe reply with a guide price and whether a visit is needed.
  3. Fixed price in writingYou approve the price and the date before anything starts.
  4. Repair and testWe fix what's failed, water-test where it matters, and send photos.

uPVC roof lantern repairs in Cornwall: questions

What does a uPVC lantern repair cost?

Usually £175–£595 ex VAT per lantern, confirmed in writing before work starts.

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.

Which towns in Cornwall do you cover?

All of Cornwall, including Truro, Redruth, Falmouth, St Austell, Camborne, Newquay. Rural and remote addresses are covered by arrangement.

How do I get a price for uPVC roof lantern repairs in Cornwall?

Send a few photos of the lantern and the problem with your postcode, by WhatsApp or the form. We reply with a guide price and confirm the fixed price in writing before any work starts.

Other repairs in Cornwall

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More about uPVC roof lantern repairs · All roof lantern repairs in Cornwall

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