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England · Cornwall

Ridge and hip repairs in Cornwall

Dealing with a leak at the ridge somewhere in Cornwall? We repair, reseal or replace the ridge end cap and the hip junctions at the top of the lantern. Our coverage includes Truro, Redruth, Falmouth and the villages around them.

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The ridge is where the hip bars and glazing bars meet at the top of a lantern, usually under a moulded or pressed end cap. We carry out ridge and hip repairs across Cornwall, with a guide price from your photos and a fixed price in writing before any work starts.

Ridge end cap and hip bars at the top of an anthracite aluminium roof lantern

Signs you need ridge and hip repairs

  • A cracked or faded ridge end cap
  • Sealant around the ridge cap split or missing
  • Staining along the hip bars inside

What usually causes it?

UV-damaged end caps

Plastic ridge end caps become brittle and crack, especially on south-facing lanterns.

Movement at the junction

Several bars meet at one point and each moves slightly with temperature; the seals at the ridge take the strain.

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 ridge and hip repairs in Cornwall?

Guide price, per lantern£195–£445 ex VAT£234–£534 inc VAT

Most ridge and hip repairs jobs come in between £195 and £445 ex VAT (£234–£534 including 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.

Ridge and hip repairs in Cornwall: questions

My ridge cap is a different colour from the frame — does that matter?

Faded or chalky caps are a sign of UV damage. Colour alone isn't a leak, but brittle caps crack, so we check them.

Can you replace just the ridge cap?

Yes, if a compatible cap is available and the seals underneath are sound.

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 ridge and hip 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.

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