Commercial & industrial rooflights for Caernarfon: the essentials
Commercial & industrial rooflights in Caernarfon means rooflights for warehouses, schools, offices and retail units. We cover the LL55 district and the rest of Gwynedd, with a survey before any price is fixed.
Many Welsh homes have older single-storey rear extensions where a glass rooflight brightens a dark kitchen. In Caernarfon, as anywhere, commercial & industrial rooflights are the usual choice for industrial roofs with tired or fragile rooflight sheets.
Caernarfon sits about 13 km from Llangefni and 13 km from Bangor, Gwynedd, and we cover the whole LL55 postcode district and the roads in between.
Specification options
- Modular glass rooflights
- Smoke and natural ventilation vents
- Mesh or grilles under fragile areas
- Polycarbonate domes
- GRP or polycarbonate in-plane rooflight sheets
- Planned around working sites
- Smoke-vent options where needed
What to check first
- Asbestos surveys may be needed on older roofs
- Fire performance of rooflight materials matters near boundaries
Building control and safety duties in Caernarfon
For non-domestic buildings, planning depends on the building and its location; building regulations cover thermal performance and the fire classification of rooflights near boundaries. Product data for building control is supplied with every quote.
For non-domestic buildings in Wales, Approved Document L sets limiting U-values for rooflights and roof ventilators; we supply the manufacturer's data for the building control submission. Fragile-roof safety and access are planned before work starts.
Our planning guide covers each nation in more detail.
Commercial & industrial rooflights prices in Caernarfon
Prices below are shown including and excluding VAT. In Caernarfon, as elsewhere, making good inside and access equipment are the main variables.
| Option | Guide price inc VAT | Ex VAT |
|---|---|---|
| Barrel-vault or modular glass rooflight | £3,595 – £8,395 | £2,995 – £6,995 |
| Commercial flat-glass rooflight Typical | £1,795 – £3,595 | £1,495 – £2,995 |
| Dome or in-plane sheet replacement | £1,075 – £1,795 | £895 – £1,495 |
What happens next
- Send the details. Postcode, rough size and a photo of the roof and room.
- Measure and check. A surveyor visits Caernarfon, measures and checks structure and access.
- Written price. You receive a fixed price listing the unit, the work and the lead time.
- Fit and make good. We fit, seal, test and finish the reveal, then hand over the paperwork.
Commercial & industrial rooflights near Caernarfon
Other services in Caernarfon
Commercial & industrial rooflights in Caernarfon: questions
Can you quote from drawings?
Yes, with a site survey to confirm.
Do you work out of hours?
For occupied buildings we can plan phased or out-of-hours working where access allows.
Do you supply O&M information?
Yes — product data, manufacturer warranties and maintenance notes are handed over at completion.
Do I need to be at home for the survey in Caernarfon?
Yes — someone needs to let us into the room below and, where possible, show us how the roof is reached.
How do I book a survey in Caernarfon?
Send your postcode and, if you can, a photo of the roof and the room. We offer a survey date when we reply.
