Gwynedd is one of our busiest counties for atlas roof lanterns — supply-only deliveries run across the county on dedicated glass transport, and our installation teams cover every postcode from Bangor, Caernarfon, Porthmadog.
Free, no-obligation quotes · response within 1 working hour · supply-only or fully installed
The county's housing stock — slate-built terraces and Snowdonia farmhouses — exposure ratings and slate-grey frames are popular — shapes our recommendations here more than any brochure could.
You get the same product either way — thermally broken aluminium, self-clean and solar-control glass options, made to the millimetre. The only choice is who fits it: your builder with our documentation, or our own nationwide teams.
Yes — supply-only Atlas orders ship UK-wide with full fitting documentation, and installed projects are handled end to end by our own teams.
The external ridge sightline is 40mm and the hips match it — to put that in context, some budget systems run double that. From inside the room the bars all but vanish against the sky.
Atlas works from a 20-degree pitch, lower than most competing systems. That keeps the lantern's overall height down, which helps with proportion on single-storey extensions and with permitted-development height limits.
Yes — slimness hasn't cost performance. The fully thermally broken profile with argon-filled solar units reaches U-values around 1.0 W/m²K, ahead of Building Regulations requirements.
Send the form and we’ll come back with honest prices — supply-only or installed — with a response within 1 working hour.
Prefer to talk? Call 0800 088 6248 or WhatsApp · sales@lantern-roof.com