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Wales · West Glamorgan

Flat rooflight and skylight repairs in West Glamorgan

Dealing with a leaking or misted flat rooflight somewhere in West Glamorgan? We reseal, re-detail and reglaze flat rooflights and skylights. Our coverage includes Swansea, Neath, Gorseinon and the villages around them.

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Flat rooflights fail in the same places as lanterns: the seal to the upstand, the roof junction and the glass unit. We carry out flat rooflight and skylight repairs across West Glamorgan, with a guide price from your photos and a fixed price in writing before any work starts.

Frameless flat glass rooflight on a grey single-ply flat roof with tools nearby

Signs you need flat rooflight and skylight repairs

  • Water around the rooflight edge
  • Misted glass
  • Cracked sealant or a lifted membrane at the upstand

What usually causes it?

Upstand detail

As with lanterns, the membrane must be dressed up and sealed.

Unit failure

Edge seals fail and the unit mists.

Roof lanterns in West Glamorgan

Western and upland parts of the UK get more rain and more wind-driven rain than the east, and that's what finds weak cappings and blocked eaves first. Lanterns here benefit from a check of the bars on the most exposed face and a clear eaves channel before winter.

What should you expect to pay for flat rooflight and skylight repairs in West Glamorgan?

Guide price, per rooflight£195–£595 ex VAT£234–£714 inc VAT

Typical range: £195–£595 ex VAT, which is £234–£714 with VAT, per rooflight. 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.

Flat rooflight and skylight repairs in West Glamorgan: questions

Do you replace walk-on rooflight glass?

Walk-on glass is a specialist structural unit; we can measure and specify a replacement from the right manufacturer.

Can you fix a Velux-style roof window?

Our focus is flat rooflights and lanterns; pitched roof windows are a different trade and we'll say so if that's what you have.

Which towns in West Glamorgan do you cover?

All of West Glamorgan, including Swansea, Neath, Gorseinon, Port Talbot. Rural and remote addresses are covered by arrangement.

How do I get a price for flat rooflight and skylight repairs in West Glamorgan?

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 West Glamorgan

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More about flat rooflight and skylight repairs · All roof lantern repairs in West Glamorgan

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