Skylight repairs & leak fixes in Gwynedd: the essentials
Skylight repairs & leak fixes in Gwynedd means leak tracing, resealing, actuator repairs and glass replacement. Every quote follows a survey of the roof and the room below.
Welsh planning rules exclude rooflights from permitted development in conservation areas and National Parks, so we check the designation before quoting. Chapels, barns and farm buildings converted across Wales often need bespoke or conservation-style glass.
Towns in Gwynedd
Options we can specify
- Planned maintenance visits
- Actuator, motor and control repairs
- Resealing and re-flashing
- Upstand and membrane repairs
- Condensation diagnosis
- Storm and impact damage
- Seal and flashing repairs
Planning and building rules in Wales
Welsh householder permitted development (Class C) allows rooflights that project no more than 15 cm and sit no higher than the existing roof — but not in conservation areas, National Parks, AONBs or World Heritage Sites. Listed buildings need listed building consent from the council, and flats have no householder permitted development rights.
Approved Document L in Wales (2022 edition) sets 2.2 W/m²K for rooflights, measured horizontally, and 1.4 W/m²K or Band B for roof windows in existing homes. A revised Welsh Approved Document L takes effect on 4 March 2027; rooflights in new dwellings stay at 2.2 W/m²K.
Guide prices
Guide prices for skylight repairs & leak fixes in Gwynedd are the same as anywhere we work — what changes the price is the job: access, structure, scaffold and finishing.
| Option | Guide price inc VAT | Ex VAT |
|---|---|---|
| Glass unit or actuator replacement | £595 – £1,555 | £495 – £1,295 |
| Upstand or membrane repair Typical | £355 – £955 | £295 – £795 |
| Diagnostic visit and reseal | £235 – £475 | £195 – £395 |
How the job runs
- Tell us about the roof. Send the postcode, rough sizes and a photo or two through the form, WhatsApp or the guide-price tool.
- Free survey. For new installations a surveyor measures the opening, checks the roof build-up and talks through glass and options.
- Fixed written quote. You get the product, the work and the price in writing. Nothing is ordered or paid for until you agree.
- Fitting and handover. We fit, seal and make good, then hand over product data, warranties and any certificate paperwork.
Repairs & leaks in nearby areas
Common questions
Can you fix a misted rooflight?
A misted unit means the glass seal has failed. The sealed unit, or the whole rooflight, needs replacing.
Do you charge for repair visits?
Yes, repairs are charged. We give the price before the visit.
Do you repair roof windows too?
Yes — flashings, seals, hinges and glass on pitched roof windows.
Can you repair an electric rooflight that will not open?
Often, yes — actuators, controllers and rain sensors can be replaced if parts are available.
Do you offer skylight repairs & leak fixes across Gwynedd?
Yes. We carry out skylight repairs & leak fixes across Gwynedd, including Bangor, Gwynedd, Caernarfon, Dolgellau.
