Large roof lanterns in Caernarfon
From a small lantern over a hallway to a long one above a kitchen island, we quote large roof lanterns for Caernarfon homes to the exact kerb size, with glass and colour choices set out clearly before you commit.
Price a large roof lantern for Caernarfon
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Large roof lanterns for Caernarfon homes
Lanterns of three metres and more for open-plan extensions, with intermediate rafters.
Winter daylight in Caernarfon lasts about 7h 32m, against 16h 58m in midsummer. Glass in the roof makes the most of the short days, and the right glass keeps the long ones comfortable.
- Lengths from about three to six metres
- Intermediate rafters carry the larger glass
- Delivered as a frame kit with glass
Delivery and fitting in Caernarfon
We confirm the delivery cost and date for LL55 on your quote. Lanterns arrive palletised, with the glass packed separately.
If you would like us to fit it, we will check fitting cover for LL55 and quote a fixed price after seeing photos or surveying.
Delivery to LL55 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Large roof lantern prices for Caernarfon
What large roof lanterns cost in common sizes (guide, inc VAT, supply only):
| Kerb size | Roof area | Guide price | Configure |
|---|---|---|---|
| 1500 × 3000 mm | 4.50 m² | £2,595–£2,995£2,162 ex VAT from | Configure |
| 2000 × 4000 mm | 8.00 m² | £4,095–£4,795£3,412 ex VAT from | Configure |
| 2500 × 4000 mm | 10.00 m² | £4,895–£5,695£4,079 ex VAT from | Configure |
| 3000 × 4000 mm | 12.00 m² | £5,695–£6,595£4,746 ex VAT from | Configure |
Guide prices include VAT at 20%, supply only, aluminium with self-cleaning double glazing in a stock colour. Your fixed price is confirmed in writing on your quote before you order.
Planning and building regulations for Caernarfon
In Wales, the Welsh Government's own Approved Document L applies, with limiting values that are not the same as England's.
Wales has its own householder permitted development rules; listed buildings and conservation areas are the usual cases needing consent.
Building regulations in Caernarfon are checked by your local authority building control team. Replacing a rooflight in an existing home is building work in Wales too. A competent person scheme installer can self-certify; otherwise building control should be notified.
Sources: Approved Documents (Wales), Planning Portal · Planning permission, GOV.WALES
Questions from Caernarfon
How is a large lantern delivered?
On pallets, usually with the frame and glass packed separately. The heaviest single item is normally a glass unit, which needs two or more people to lift safely.
What is the biggest roof lantern you can supply?
It depends on the range. Some go to about 6 m by 4 m with intermediate rafters. Send us your kerb size and we will confirm what can be made.
Who checks building regulations for a lantern in Caernarfon?
Your local authority building control team. For a lantern in a new extension it forms part of the extension's approval; replacements in existing homes have their own rules.
Can you fit a roof lantern in Caernarfon?
We can quote for fitting where we have cover. Send your postcode and photos of the roof and kerb, and we will confirm before quoting.