We supply and install aluminium roof lanterns throughout Cornwall, from Truro, Falmouth, St Austell to the smallest villages — made-to-measure fabrication, kerbside delivery and nationwide fitting teams.
Free, no-obligation quotes · response within 1 working hour · supply-only or fully installed
Property across Cornwall runs to granite cottages and coastal homes where marine-grade aluminium and storm-rated glazing are essential specs — context that genuinely changes what we specify, from glazing coatings to frame colours and fixing details.
Frames are thermally broken aluminium, glazing is 28mm argon-filled with self-clean and solar options, and everything is made to measure. Buy supply-only with kerbside delivery, or have our fitters handle the lot under a written workmanship guarantee.
Standard sizes below — made to measure quoted same day. Installation available nationwide if you’d rather we fit it.
Thermally broken aluminium · self-clean & solar glass options · 7–10 working days
Thermally broken aluminium · self-clean & solar glass options · 7–10 working days
Thermally broken aluminium · self-clean & solar glass options · 7–10 working days
Yes. Our powder coat is marine-grade as standard, and aluminium itself doesn't rust. For exposed shoreline plots we can also upgrade fixings and glazing to suit the wind loading.
Far bigger than most rooms need — spans over 3m wide and 6m long are achievable with reinforced ridge sections. Past a certain size we'd recommend twin lanterns instead, purely for proportion.
Strength. Aluminium carries the same glass on much slimmer bars, so the lantern looks lighter and lets more daylight through. It also holds its colour and shape for decades, where uPVC profiles are bulkier and can discolour.
Not when thermally broken. The polyamide barrier separates the cold external aluminium from the warm internal face, keeping the inside surface above dew point in normal conditions. Good room ventilation does the rest.
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