Triple glazed roof lanterns in Lancaster
Whether your Lancaster extension is still on paper or the roof is already on, we can price a triple glazed roof lantern to suit it. Standard sizes cost less and arrive sooner; made-to-measure fits a kerb that is already built.
Price a triple glazed roof lantern for Lancaster
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Triple glazed roof lanterns for Lancaster homes
Three panes for lower heat loss, a warmer inner surface and less noise.
On the shortest day Lancaster gets about 7h 22m of daylight, with the sun only 12.5° above the horizon at noon. Light from the sky overhead is the brightest available in winter, which is exactly what a roof lantern collects.
- Quieter in heavy rain
- Warmer inner pane, less condensation risk
- Combines with solar-control coatings
Delivery and fitting in Lancaster
Your quote includes delivery to Lancaster at a confirmed price, usually to the kerbside or driveway on pallets.
Need it fitted? Send your postcode and we will confirm whether we have fitting cover in Lancaster before quoting.
Delivery to LA1 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Triple glazed roof lantern prices for Lancaster
Guide prices for common triple glazed roof lantern sizes, including VAT, supply only:
| Kerb size | Roof area | Guide price | Configure |
|---|---|---|---|
| 1000 × 2000 mm | 2.00 m² | £2,095–£2,495£1,746 ex VAT from | Configure |
| 1500 × 2000 mm | 3.00 m² | £2,695–£3,195£2,246 ex VAT from | Configure |
| 1500 × 2500 mm | 3.75 m² | £3,095–£3,595£2,579 ex VAT from | Configure |
| 2000 × 3000 mm | 6.00 m² | £4,395–£5,095£3,662 ex VAT from | Configure |
Guide prices include VAT at 20%, supply only, aluminium with triple glazing in a stock colour. Your fixed price is confirmed in writing on your quote before you order.
Planning and building regulations for Lancaster
In England, building regulations energy guidance sets a limiting U-value of 2.2 W/m²K for new and replacement rooflights in existing homes, measured horizontally.
On a permitted development extension the lantern counts towards the extension's height; on an existing roof, a rooflight projecting more than 150 mm may need planning permission.
Building regulations in Lancaster are checked by your local authority building control team or a registered building control approver. Replacing a rooflight in an existing home is building work. Installers registered with a competent person scheme can self-certify; otherwise building control must be involved.
Sources: Approved Document L, GOV.UK · Planning Portal
Questions from Lancaster
Will triple glazing stop rain noise?
It reduces it noticeably. Laminated glass reduces it further.
Can I have triple glazing with solar control?
Yes. Triple units usually include a solar-control or neutral coating.
Do you deliver roof lanterns to Lancaster?
Yes. Delivery to Lancaster (LA1) is quoted for your exact postcode and confirmed in writing on your quote, together with the lead time.
Can you fit a roof lantern in Lancaster?
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.