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Dyfed · SA43

Roof lantern replacement in Cardigan

We cover Cardigan and the wider Dyfed area for roof lantern replacement. In short, we replace lanterns that are beyond economic repair, checking the kerb and re-making the junction — and you know the price before any work begins.

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In Cardigan, as everywhere, we're repair-first, but some lanterns are past it: distorted frames, rot through the main bars, or most of the glass failed. Send photos and we'll tell you what we think has failed.

Two installers lowering a new aluminium roof lantern onto a prepared timber kerb

What you might be seeing

  • Distorted or sagging frame
  • Repeated leaks after previous repairs
  • Single-glazed or very poor thermal performance

Why it happens

Age

Older lanterns can't be brought up to modern performance with repairs alone.

Rot

Timber lanterns left unmaintained.

Roof lanterns in Cardigan

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.

Cardigan is around 22 miles from Carmarthen, and both are within our Dyfed coverage.

Neighbouring places we cover include Carmarthen (22 miles), Haverfordwest (23 miles), Pembroke Dock (30 miles).

How much should it cost?

Guide price, supplied and fitted£1,995–£4,995 ex VAT£2,394–£5,994 inc VAT

Guide price for roof lantern replacement: £1,995–£4,995 ex VAT (£2,394–£5,994 inc VAT), supplied and fitted. 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?

In Wales, like-for-like repairs to a roof lantern don't usually involve building control. A full replacement or a bigger opening is controlled under the Building Regulations 2010 (as applied in Wales), so we set out the route in writing first. 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.

Roof lantern replacement in Cardigan: questions

Do you cover Cardigan?

Yes. We cover Cardigan, including the SA43 postcode area, as part of Dyfed. 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.

Do you need to visit to price roof lantern replacement?

Not always. Clear photos are often enough for a guide price. Where the cause isn't obvious, a visit to inspect and water-test is charged from £145 ex VAT, confirmed before we come.

How much does a replacement roof lantern cost?

Standard sizes typically £1,995–£4,995 ex VAT supplied and fitted; bespoke sizes and kerb rebuilds are priced on survey. You get the fixed price in writing first.

Will you tell me if repair is enough?

Yes. We'd rather do a repair that works than sell a lantern you don't need.

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