Opening roof lanterns in Grantham
Order opening roof lanterns for delivery to Grantham and nearby Newark-on-Trent and Melton Mowbray. Every lantern is checked against your measurements before it is ordered, and the price on your quote is fixed for the specification shown; any extra work is agreed with you first.
Price an opening roof lantern for Grantham
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Opening roof lanterns for Grantham homes
Electric opening vents to let warm air out at the highest point of the room.
At 52.91°N, Grantham sees roughly 7h 35m of daylight in late December and 16h 55m in late June. A lantern faces the bright overhead sky all year, so it brings in useful light even on the short, grey days.
- One or two vents depending on size
- Switch or remote control
- Plan the power supply early
Delivery and fitting in Grantham
We confirm the delivery cost and date for NG31 on your quote. Lanterns arrive palletised, with the glass packed separately.
Need it fitted? Send your postcode and we will confirm whether we have fitting cover in Grantham before quoting.
Delivery to NG31 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Opening roof lantern prices for Grantham
Typical guide prices for opening roof lanterns, supply only and including VAT:
| Kerb size | Roof area | Guide price | Configure |
|---|---|---|---|
| 1000 × 1500 mm | 1.50 m² | £1,990–£2,190£1,658 ex VAT from | Configure |
| 1000 × 2000 mm | 2.00 m² | £2,190–£2,490£1,825 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 Grantham
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 Grantham 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 Grantham
What happens if it rains while the vent is open?
With a rain sensor the vent closes automatically. Without one it stays where you left it, so a sensor is worth having.
Can I have a manual opening vent?
Manual vents are rare on lanterns because they are out of reach. Electric operation is standard.
Do you deliver roof lanterns to Grantham?
Yes. Delivery to Grantham (NG31) is quoted for your exact postcode and confirmed in writing on your quote, together with the lead time.
Can you fit a roof lantern in Grantham?
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.