Whether it's a single lantern over a St Asaph kitchen or a multi-roof development, our korniche roof lanterns service pairs supply-only pricing with nationwide installation — and Denbighshire is core territory for both.
Free, no-obligation quotes · response within 1 working hour · supply-only or fully installed
Denbighshire property here means market-town terraces and vale farmhouses with heritage-sensitive installs. That local context shapes what we recommend in St Asaph — from glass specification to frame colour — before a single quote is written.
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.
From St Asaph we also serve Denbigh, Ruthin and Prestatyn and the wider county — so if you're comparing quotes anywhere in Denbighshire, ours is free, fast and without obligation.
The frame itself can be assembled on the kerb in under 30 minutes by a competent installer; a full fit including glazing and flashing is comfortably a one-day job. Manufacture lead time is typically one to two weeks.
Yes — the system is fully thermally broken with no metal-to-metal path from outside to inside, and paired with argon-filled units it achieves U-values that comfortably satisfy Building Regulations for extensions.
Every Korniche is made to order, so 'custom' is the standard. You give us the external kerb size and the lantern arrives fabricated to those exact dimensions.
Yes — supply-only Korniche orders are dispatched UK-wide with assembly instructions, and our team is on the phone if your builder has questions on the day.
Yes — installation is available across St Asaph and Denbighshire, and if you'd rather buy supply-only, kerbside delivery to St Asaph is included in our standard service.
Standard-size supply-only prices are on the site now; made-to-measure quotes for St Asaph usually come back the same working day, and installed projects are priced after a free survey.
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