Anthracite grey roof lanterns in Grantham
Planning an extension in Grantham? An anthracite grey roof lantern is one of the quickest ways to bring daylight into the middle of the room. Use the configurator for a guide price, then send your kerb size for a fixed quote and delivery date.
Price an anthracite grey roof lantern for Grantham
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Anthracite grey roof lanterns for Grantham homes
RAL 7016 anthracite grey, a widely chosen colour to match grey doors and windows.
In midsummer the noon sun stands about 60.5° high over Grantham, so roof glazing gets the full strength of it. That is why solar-control glass is worth considering on larger lanterns here.
- Usually no surcharge as a stock colour
- Matches most grey bifold and sliding doors
- White inside to keep ceilings bright
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.
Fitting in Grantham can be quoted on request by installers working under S&K, subject to cover for your postcode.
Delivery to NG31 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Anthracite grey roof lantern prices for Grantham
Typical guide prices for anthracite grey 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 |
| 2000 × 3000 mm | 6.00 m² | £3,195–£3,695£2,662 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 anthracite grey. 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
Can the inside be a different grey?
Yes. Any combination is possible on most aluminium ranges; non-stock colours carry a small surcharge.
Will anthracite get hot in the sun?
Dark frames absorb more heat than white, but lantern frames are designed for it. The bigger effect on room temperature is the glass, which is why solar-control glass matters on south-facing roofs.
How quickly can I get a roof lantern in Grantham?
Stock sizes are typically ready in 5–10 working days, made-to-measure in 3–4 weeks, plus delivery. Your quote gives the date for NG31.
Is it worth having solar-control glass in Grantham?
With the midsummer sun about 60.5° high at noon, roof glass in Grantham gets strong summer sun. Solar control is recommended for large or south-facing lanterns.