Rectangular roof lanterns in Chalk Farm
From a small lantern over a hallway to a long one above a kitchen island, we quote rectangular roof lanterns for Chalk Farm homes to the exact kerb size, with glass and colour choices set out clearly before you commit.
Price a rectangular roof lantern for Chalk Farm
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Rectangular roof lanterns for Chalk Farm homes
The classic double-hipped lantern: a ridge, four sloping sides and the most size choice.
On the shortest day Chalk Farm gets about 7h 49m of daylight, with the sun only 15.0° above the horizon at noon. Light from the sky overhead is the brightest available in winter, which is exactly what a roof lantern collects.
- Stock anthracite, black or white, or any RAL
- Suits kitchen-diners and rear extensions
- Ridge along the long axis, four glazed slopes
Delivery and fitting in Chalk Farm
Delivery to NW3 is quoted for your postcode and arrives on pallets at the kerbside, so plan enough people to unload.
Fitting in Chalk Farm can be quoted on request by installers working under S&K, subject to cover for your postcode.
Delivery to NW3 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Rectangular roof lantern prices for Chalk Farm
Typical guide prices for rectangular roof lanterns, supply only and including VAT:
| Kerb size | Roof area | Guide price | Configure |
|---|---|---|---|
| 1500 × 2000 mm | 3.00 m² | £1,995–£2,295£1,662 ex VAT from | Configure |
| 1500 × 2500 mm | 3.75 m² | £2,295–£2,695£1,912 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 |
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 Chalk Farm
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 Chalk Farm 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 Chalk Farm
Can a rectangular lantern be made to an exact size?
Yes. Made-to-measure lanterns are built to the external kerb size you give us, usually in 10 mm steps within the range's limits. Made-to-measure takes longer than a stock size and cannot be cancelled once ordered, so measure twice.
Which way should the ridge run?
The ridge runs along the longer side. On a square opening there is no ridge and the lantern becomes a pyramid.
Can you fit a roof lantern in Chalk Farm?
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.
How quickly can I get a roof lantern in Chalk Farm?
Stock sizes are typically ready in 5–10 working days, made-to-measure in 3–4 weeks, plus delivery. Your quote gives the date for NW3.