Triple glazed roof lanterns in Letchworth Garden City
We supply triple glazed roof lanterns to Letchworth Garden City (SG6) and the rest of Hertfordshire: sized in millimetres to your upstand, priced up front and delivered on pallets. Fitting can be quoted separately if you need it.
Price a triple glazed roof lantern for Letchworth Garden City
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Triple glazed roof lanterns for Letchworth Garden City homes
Three panes for lower heat loss, a warmer inner surface and less noise.
Winter daylight in Letchworth Garden City lasts about 7h 45m, against 16h 44m in midsummer. Glass in the roof makes the most of the short days, and the right glass keeps the long ones comfortable.
- Ideal for colder, exposed locations
- Quieter in heavy rain
- Three panes for lower heat loss
Delivery and fitting in Letchworth Garden City
Delivery to SG6 is quoted for your postcode and arrives on pallets at the kerbside, so plan enough people to unload.
If you would like us to fit it, we will check fitting cover for SG6 and quote a fixed price after seeing photos or surveying.
Delivery to SG6 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Triple glazed roof lantern prices for Letchworth Garden City
Guide prices for common triple glazed roof lantern sizes, including VAT, supply only:
| Kerb size | Roof area | Guide price | Configure |
|---|---|---|---|
| 1000 × 1500 mm | 1.50 m² | £1,795–£2,095£1,496 ex VAT from | Configure |
| 1000 × 2000 mm | 2.00 m² | £2,095–£2,495£1,746 ex VAT from | Configure |
| 2000 × 3000 mm | 6.00 m² | £4,395–£5,095£3,662 ex VAT from | Configure |
| 2000 × 4000 mm | 8.00 m² | £5,595–£6,495£4,662 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 Letchworth Garden City
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 Letchworth Garden City 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 Letchworth Garden City
Is triple glazing heavier to lift?
Yes, the glass is roughly 45% heavier. Plan for extra hands or lifting equipment on larger lanterns.
Can I have triple glazing with solar control?
Yes. Triple units usually include a solar-control or neutral coating.
Who checks building regulations for a lantern in Letchworth Garden City?
Your local authority building control team or a registered building control approver. For a lantern in a new extension it forms part of the extension's approval; replacements in existing homes have their own rules.
Do I need planning permission for a roof lantern in Letchworth Garden City?
Often not, but it depends on the roof, the property and whether it is listed or in a conservation area. Check with your district, borough or unitary council before ordering.