Timber roof lanterns are beautiful and repairable, but they need sound paint, sound beads and dry timber. We carry out timber roof lantern repairs across South Glamorgan, with a guide price from your photos and a fixed price in writing before any work starts.

Signs you need timber roof lantern repairs
- Flaking or blistered paint on bars or eaves
- Soft timber when pressed
- Leaks at bar joints
What usually causes it?
Water trapped by beads
Glazing beads and putty can trap water against the timber if their seals fail.
No maintenance
Timber needs redecorating on a cycle; skipped cycles turn small repairs into big ones.
Roof lanterns in South 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 timber roof lantern repairs in South Glamorgan?
Typical range: £395–£1,995 ex VAT, which is £474–£2,394 with 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.
Timber roof lantern repairs in South Glamorgan: questions
Do you work on listed buildings?
Yes. Listed building consent may be needed for changes; like-for-like repair is generally treated differently from alteration, but check with your council's conservation officer before work.
How often does a timber lantern need painting?
It depends on exposure and paint system; many need redecorating every five to eight years.
Which towns in South Glamorgan do you cover?
All of South Glamorgan, including Cardiff, Barry, Penarth, Cowbridge, Llantwit Major. Rural and remote addresses are covered by arrangement.
How do I get a price for timber roof lantern repairs in South 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 South Glamorgan
- Roof lantern resealing in South Glamorgan
- Misted glass unit replacement in South Glamorgan
- Solar control and self-cleaning glass upgrades in South Glamorgan
- Condensation diagnosis and fixes in South Glamorgan
- Aluminium roof lantern repairs in South Glamorgan
- Leak investigation and inspection in South Glamorgan
Nearby areas
- Timber roof lantern repairs in Mid Glamorgan
- Timber roof lantern repairs in Gwent
- Timber roof lantern repairs in West Glamorgan
- Timber roof lantern repairs in Powys
- Timber roof lantern repairs in Dyfed
More about timber roof lantern repairs · All roof lantern repairs in South Glamorgan