Commercial lanterns and atrium rooflights fail in the same ways as domestic ones, but access, safety and disruption matter more. We carry out commercial roof lantern repairs across Gwent, with a guide price from your photos and a fixed price in writing before any work starts.

Signs you need commercial roof lantern repairs
- Leaks into trading or office areas
- Multiple lanterns on one roof needing a programme
- Insurance or landlord requirement for a report
What usually causes it?
Scale
More lanterns, more joints, more drainage to block.
Deferred maintenance
Leaks appear when maintenance has slipped.
Roof lanterns in Gwent
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.
What should you expect to pay for commercial roof lantern repairs in Gwent?
Most commercial roof lantern repairs jobs come in between £495 and £2,995 ex VAT (£594–£3,594 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 Wales?
Most lantern repairs in Wales need no approval at all. Where a job turns into a replacement, the Building Regulations 2010 (as applied in Wales) apply and we confirm how the work will be signed off before we start. 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?
- Send photosWhatsApp or upload a few photos and tell us when it leaks.
- Guide priceWe reply with a guide price and whether a visit is needed.
- Fixed price in writingYou approve the price and the date before anything starts.
- Repair and testWe fix what's failed, water-test where it matters, and send photos.
Commercial roof lantern repairs in Gwent: questions
What do commercial lantern repairs cost?
From about £495 ex VAT per lantern; programmes, access equipment and out-of-hours work are priced on survey and confirmed in writing.
Can you invoice a managing agent?
Yes — tell us who the client and invoice contact are when you enquire.
Which towns in Gwent do you cover?
All of Gwent, including Newport, Gwent, Cwmbran, Pontypool, Ebbw Vale, Caerphilly, Risca. Rural and remote addresses are covered by arrangement.
How do I get a price for commercial roof lantern repairs in Gwent?
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 Gwent
- Misted glass unit replacement in Gwent
- Condensation diagnosis and fixes in Gwent
- Roof lantern respraying in Gwent
- Flat rooflight and skylight repairs in Gwent
- Urgent leak make-safe in Gwent
- Orangery lantern repairs in Gwent
Nearby areas
- Commercial roof lantern repairs in Mid Glamorgan
- Commercial roof lantern repairs in South Glamorgan
- Commercial roof lantern repairs in West Glamorgan
- Commercial roof lantern repairs in Powys
- Commercial roof lantern repairs in Dyfed
More about commercial roof lantern repairs · All roof lantern repairs in Gwent