We carry out roof lantern replacement in Pontypridd and across the CF37 area. We're repair-first, but some lanterns are past it: distorted frames, rot through the main bars, or most of the glass failed.

Is it time for roof lantern replacement?
- Several misted or cracked units
- Distorted or sagging frame
- Rotten timber throughout
Common causes we find
Age
Older lanterns can't be brought up to modern performance with repairs alone.
Structural damage
Impact or movement distorts the frame.
About Pontypridd and the CF37 area
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.
We cover Pontypridd as part of Mid Glamorgan, about 12 miles from Bridgend.
We also cover nearby Tonypandy (5 miles), Caerphilly (6 miles), Rhondda (6 miles).
Guide prices for roof lantern replacement in Pontypridd
Most roof lantern replacement jobs come in between £1,995 and £4,995 ex VAT (£2,394–£5,994 including 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?
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?
- 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.
Roof lantern replacement in Pontypridd: questions
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.
Which places near Pontypridd do you cover?
As well as Pontypridd, we cover nearby Tonypandy, Caerphilly, Rhondda, Blackwood and the rest of Mid Glamorgan.
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.
Can the new lantern use the existing opening?
Usually, if the kerb is sound and the size suits a standard or made-to-measure lantern.
Other lantern repairs in Pontypridd
- Glazing bar and capping repairs in Pontypridd
- Upstand and kerb repairs in Pontypridd
- Slipped glass panel repairs in Pontypridd
- Solar control and self-cleaning glass upgrades in Pontypridd
- uPVC roof lantern repairs in Pontypridd
- Orangery lantern repairs in Pontypridd
Roof lantern replacement near Pontypridd
More about roof lantern replacement · All roof lantern repairs in Pontypridd