In Ystradgynlais, as everywhere, flat rooflights fail in the same places as lanterns: the seal to the upstand, the roof junction and the glass unit. Send photos and we'll tell you what we think has failed.
Signs you need flat rooflight and skylight repairs
- Water around the rooflight edge
- Misted glass
- Ponding on the glass (not enough fall)
Why it happens
No fall
Flat glass needs a slight fall to shed water; ponding stresses seals.
Unit failure
Edge seals fail and the unit mists.
Roof lanterns in Ystradgynlais
Wind-driven rain is the real test of a roof lantern, and the wetter west sees plenty of it. Leaks that appear only in a storm from one direction usually point to the cappings or eaves on that face — a useful clue when you send us photos.
If you're just outside Ystradgynlais, we also cover Neath (7 miles), Ammanford (10 miles), Maesteg (12 miles).
How much should it cost?
Guide price for flat rooflight and skylight repairs: £195–£595 ex VAT (£234–£714 inc 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?
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?
- 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.
Flat rooflight and skylight repairs in Ystradgynlais: questions
Do you cover Ystradgynlais?
Yes. We cover Ystradgynlais, including the SA9 postcode area, as part of Powys. 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.
How do I get a price for flat rooflight and skylight repairs in Ystradgynlais?
Send a few photos of the lantern and the problem, with your Ystradgynlais postcode. We'll reply with a guide price and tell you whether a visit is needed before we can fix the price.
What does a flat rooflight repair cost?
Usually £195–£595 ex VAT, confirmed in writing before work starts.
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.
Other lantern repairs in Ystradgynlais
- Roof lantern leak repairs in Ystradgynlais
- Glazing bar and capping repairs in Ystradgynlais
- Flat roof junction and flashing repairs in Ystradgynlais
- Timber roof lantern repairs in Ystradgynlais
- Opening vent and actuator repairs in Ystradgynlais
- Orangery lantern repairs in Ystradgynlais
Flat rooflight and skylight repairs near Ystradgynlais
More about flat rooflight and skylight repairs · All roof lantern repairs in Ystradgynlais