Supply-only roof lanterns in Chelsea
Whether your Chelsea extension is still on paper or the roof is already on, we can price a supply-only roof lantern to suit it. Standard sizes cost less and arrive sooner; made-to-measure fits a kerb that is already built.
Price a supply-only roof lantern for Chelsea
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Supply-only roof lanterns for Chelsea homes
Delivered to you or your builder, ready for your own team to fit.
On the shortest day Chelsea gets about 7h 50m of daylight, with the sun only 15.1° above the horizon at noon. Light from the sky overhead is the brightest available in winter, which is exactly what a roof lantern collects.
- Fixed price in writing before ordering
- Fitting quote available if needed
- Delivered to your site on pallets
Delivery and fitting in Chelsea
Your quote includes delivery to Chelsea at a confirmed price, usually to the kerbside or driveway on pallets.
Fitting in Chelsea can be quoted on request by installers working under S&K, subject to cover for your postcode.
Delivery to SW10 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Supply-only roof lantern prices for Chelsea
Typical guide prices for supply-only roof lanterns, supply only and including VAT:
| Kerb size | Roof area | Guide price | Configure |
|---|---|---|---|
| 1000 × 1500 mm | 1.50 m² | £1,295–£1,495£1,079 ex VAT from | Configure |
| 1000 × 2000 mm | 2.00 m² | £1,495–£1,795£1,246 ex VAT from | Configure |
| 1500 × 2000 mm | 3.00 m² | £1,995–£2,295£1,662 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 Chelsea
England's Approved Document L caps the U-value of new or replacement rooflights in existing homes at 2.2 W/m²K, calculated with the glass horizontal.
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 Chelsea 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 Chelsea
Can you deliver to Scotland, Northern Ireland or the islands?
Mainland Britain is standard. The Scottish Highlands, islands and Northern Ireland are by arrangement, with delivery confirmed on your quote.
What if the lantern arrives damaged?
Check the packaging and glass on delivery where you can, note any damage on the delivery paperwork and tell us straight away with photos. Goods remain our responsibility until they are delivered to you.
Is it worth having solar-control glass in Chelsea?
With the midsummer sun about 62.0° high at noon, roof glass in Chelsea gets strong summer sun. Solar control is recommended for large or south-facing lanterns.
Can you fit a roof lantern in Chelsea?
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.