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Mid Glamorgan · CF36

Glazing bar and capping repairs in Porthcawl

For glazing bar and capping repairs in Porthcawl, the job is simple to describe: we re-seat or replace lifted cappings, perished gaskets and loose glazing bar fixings. Photos first, a guide price back, then a written fixed price.

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We carry out glazing bar and capping repairs in Porthcawl and across the CF36 area. Each glazing bar on a roof lantern has a top capping that clamps the glass onto gaskets.

Roof lantern glazing bar with the top capping lifted to show the gasket beneath

What you might be seeing

  • A capping visibly higher than its neighbours
  • Gasket rubber poking out, cracked or missing
  • Water running down one glazing bar inside

Common causes we find

Fixings working loose

Screws and clips that hold the capping relax with thermal movement, so the clamp on the glass weakens.

Damage

Ladders, window cleaning or someone stepping on a lantern can bend a capping or unclip it.

Covering Porthcawl and nearby

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.

We cover Porthcawl as part of Mid Glamorgan, about 6 miles from Bridgend.

Close by, we also cover Bridgend (6 miles), Port Talbot (8 miles), Maesteg (9 miles).

What should you expect to pay in Porthcawl?

Guide price, per lantern£165–£395 ex VAT£198–£474 inc VAT

Guide price for glazing bar and capping repairs: £165–£395 ex VAT (£198–£474 inc 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 Wales?

Straightforward repairs — resealing, gaskets, cappings, eaves and like-for-like parts — don't normally need building regulations approval in Wales. Replacing the whole lantern or enlarging the opening is different and falls under the Building Regulations 2010 (as applied in Wales); we confirm in writing which route applies before any replacement. Listed buildings in Wales need listed building consent from the local planning authority for alterations, with Cadw guidance on historic buildings; check with the council before changing a lantern on a listed property.

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.

Glazing bar and capping repairs in Porthcawl: questions

Do you cover Porthcawl?

Yes. We cover Porthcawl, including the CF36 postcode area, as part of Mid Glamorgan. 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 glazing bar and capping repairs in Porthcawl?

Send a few photos of the lantern and the problem, with your Porthcawl postcode. We'll reply with a guide price and tell you whether a visit is needed before we can fix the price.

How much do capping and gasket repairs cost?

Usually £165–£395 ex VAT per lantern depending on how many bars are affected, confirmed in writing before work starts.

Can a capping just be clipped back on?

Sometimes, if nothing underneath has failed. We check the gaskets first, because clipping a capping over a perished gasket doesn't stop the leak.

Other lantern repairs in Porthcawl

Glazing bar and capping repairs near Porthcawl

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