Replacement roof lanterns in Chalk Farm
From a small lantern over a hallway to a long one above a kitchen island, we quote replacement roof lanterns for Chalk Farm homes to the exact kerb size, with glass and colour choices set out clearly before you commit.
Price a replacement roof lantern for Chalk Farm
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Replacement roof lanterns for Chalk Farm homes
Swap a tired, leaking or polycarbonate lantern for modern double glazing.
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.
- Supply only or a fitting quote
- Energy standards for replacements explained
- Warmer, quieter, brighter
Delivery and fitting in Chalk Farm
Your quote includes delivery to Chalk Farm 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 Chalk Farm before quoting.
Delivery to NW3 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Replacement roof lantern prices for Chalk Farm
What replacement roof lanterns cost in common sizes (guide, inc VAT, supply only):
| Kerb size | Roof area | Guide price | 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 |
| 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 |
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
Will a new lantern be warmer?
A modern double glazed lantern with a thermally broken frame loses far less heat than polycarbonate.
My old lantern leaks. Is it the lantern or the roof?
Often the roof or kerb detailing. A survey or close inspection will tell. If the lantern is the problem, replacing it is usually better value than repairing old polycarbonate.
Is it worth having solar-control glass in Chalk Farm?
With the midsummer sun about 61.9° high at noon, roof glass in Chalk Farm gets strong summer sun. Solar control is recommended for large or south-facing lanterns.
Do you deliver roof lanterns to Chalk Farm?
Yes. Delivery to Chalk Farm (NW3) is quoted for your exact postcode and confirmed in writing on your quote, together with the lead time.