Opening roof lanterns in Chalk Farm
Buy opening roof lanterns for homes in Chalk Farm and across Greater London. Choose a standard size or have one made to your kerb, see a guide price straight away, then get a fixed written quote with delivery to your NW3 address.
Price an opening roof lantern for Chalk Farm
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Opening roof lanterns for Chalk Farm homes
Electric opening vents to let warm air out at the highest point of the room.
Winter daylight in Chalk Farm lasts about 7h 49m, against 16h 39m in midsummer. Glass in the roof makes the most of the short days, and the right glass keeps the long ones comfortable.
- Switch or remote control
- Helps keep kitchens cool in summer
- Plan the power supply early
Delivery and fitting in Chalk Farm
We confirm the delivery cost and date for NW3 on your quote. Lanterns arrive palletised, with the glass packed separately.
If you would like us to fit it, we will check fitting cover for NW3 and quote a fixed price after seeing photos or surveying.
Delivery to NW3 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Opening roof lantern prices for Chalk Farm
What opening roof lanterns cost in common sizes (guide, inc VAT, supply only):
| Kerb size | Roof area | Guide price | Configure |
|---|---|---|---|
| 1000 × 1500 mm | 1.50 m² | £1,990–£2,190£1,658 ex VAT from | Configure |
| 1500 × 2500 mm | 3.75 m² | £2,990–£3,390£2,492 ex VAT from | Configure |
| 2000 × 3000 mm | 6.00 m² | £3,890–£4,390£3,242 ex VAT from | Configure |
| 2000 × 4000 mm | 8.00 m² | £4,790–£5,490£3,992 ex VAT from | Configure |
Guide prices include VAT at 20%, supply only, aluminium with self-cleaning double glazing in a stock colour, including one electric vent. 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.
Lanterns on permitted development extensions are part of the extension's height limits. Adding one to an existing roof is different: over 150 mm of projection can mean a planning application.
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 I have a manual opening vent?
Manual vents are rare on lanterns because they are out of reach. Electric operation is standard.
Does an opening vent let insects in?
When open, yes, as with any window. Some ranges offer fly screens.
Who checks building regulations for a lantern in Chalk Farm?
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.
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.