Large roof lanterns in Borehamwood
From a small lantern over a hallway to a long one above a kitchen island, we quote large roof lanterns for Borehamwood homes to the exact kerb size, with glass and colour choices set out clearly before you commit.
Price a large roof lantern for Borehamwood
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Large roof lanterns for Borehamwood homes
Lanterns of three metres and more for open-plan extensions, with intermediate rafters.
In midsummer the noon sun stands about 61.8° high over Borehamwood, so roof glazing gets the full strength of it. That is why solar-control glass is worth considering on larger lanterns here.
- Intermediate rafters carry the larger glass
- Fitting can be quoted on request
- Solar-control glass recommended
Delivery and fitting in Borehamwood
We confirm the delivery cost and date for WD6 on your quote. Lanterns arrive palletised, with the glass packed separately.
Fitting in Borehamwood can be quoted on request by installers working under S&K, subject to cover for your postcode.
Delivery to WD6 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Large roof lantern prices for Borehamwood
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 × 3000 mm | 6.00 m² | £3,195–£3,695£2,662 ex VAT from | Configure |
| 2000 × 4000 mm | 8.00 m² | £4,095–£4,795£3,412 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 Borehamwood
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 Borehamwood 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 Borehamwood
Does a large lantern need structural calculations?
The roof structure around it usually does. Your engineer or building control body will want the lantern's weight and the opening size.
Do large lanterns overheat a room?
A large area of south-facing glass can make a room warm on sunny days. Solar-control glass, an opening vent and good background ventilation all help. Our guide on overheating explains the options.
Can you fit a roof lantern in Borehamwood?
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.
Do you deliver roof lanterns to Borehamwood?
Yes. Delivery to Borehamwood (WD6) is quoted for your exact postcode and confirmed in writing on your quote, together with the lead time.