Small roof lanterns in Swanley
Whether your Swanley extension is still on paper or the roof is already on, we can price a small roof lantern to suit it. Standard sizes cost less and arrive sooner; made-to-measure fits a kerb that is already built.
Price a small roof lantern for Swanley
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Small roof lanterns for Swanley homes
Compact lanterns for hallways, utility rooms, porches and side returns.
At 51.4°N, Swanley sees roughly 7h 51m of daylight in late December and 16h 37m in late June. A lantern faces the bright overhead sky all year, so it brings in useful light even on the short, grey days.
- Great for hallways and utility rooms
- Daylight where windows cannot reach
- Square pyramid or short rectangular
Delivery and fitting in Swanley
We confirm the delivery cost and date for BR8 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 BR8 and quote a fixed price after seeing photos or surveying.
Delivery to BR8 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Small roof lantern prices for Swanley
What small roof lanterns cost in common sizes (guide, inc VAT, supply only):
| Kerb size | Roof area | Guide price | Configure |
|---|---|---|---|
| 1000 × 1000 mm | 1.00 m² | £1,095–£1,295£912 ex VAT from | Configure |
| 1200 × 1200 mm | 1.44 m² | £1,295–£1,495£1,079 ex VAT from | Configure |
| 1000 × 1500 mm | 1.50 m² | £1,295–£1,495£1,079 ex VAT from | Configure |
| 1500 × 1500 mm | 2.25 m² | £1,595–£1,895£1,329 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 Swanley
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.
Planning-wise, a lantern on a new extension is judged as part of that extension, while one added to an existing roof can fall outside permitted development if it stands more than 150 mm proud.
Building regulations in Swanley 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 Swanley
Does a small lantern need an opening vent?
Not usually. Background ventilation for the room can come from trickle vents or extract fans. Vents are more useful on lanterns over kitchens and large living spaces.
Are small lanterns available quickly?
Standard small sizes are often available from stock. Lead times are confirmed on your quote.
Do I need planning permission for a roof lantern in Swanley?
Often not, but it depends on the roof, the property and whether it is listed or in a conservation area. Check with your district, borough or unitary council before ordering.
Who checks building regulations for a lantern in Swanley?
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.