Large roof lanterns in Melksham
Planning an extension in Melksham? A large 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 a large roof lantern for Melksham
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Large roof lanterns for Melksham homes
Lanterns of three metres and more for open-plan extensions, with intermediate rafters.
In midsummer the noon sun stands about 62.1° high over Melksham, so roof glazing gets the full strength of it. That is why solar-control glass is worth considering on larger lanterns here.
- Delivered as a frame kit with glass
- Intermediate rafters carry the larger glass
- Lengths from about three to six metres
Delivery and fitting in Melksham
Delivery to SN12 is quoted for your postcode and arrives on pallets at the kerbside, so plan enough people to unload.
Fitting in Melksham can be quoted on request by installers working under S&K, subject to cover for your postcode.
Delivery to SN12 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Large roof lantern prices for Melksham
Guide prices for common large roof lantern sizes, including VAT, supply only:
| Kerb size | Roof area | Guide price | Configure |
|---|---|---|---|
| 1500 × 3000 mm | 4.50 m² | £2,595–£2,995£2,162 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 |
| 3000 × 4000 mm | 12.00 m² | £5,695–£6,595£4,746 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 Melksham
For homes in England, a new or replacement rooflight should achieve a U-value of 2.2 W/m²K or better in the horizontal position, under Approved Document L.
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 Melksham 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 Melksham
Does a large lantern need structural calculations?
The roof structure around it usually does. Your engineer or building control body will want the lantern's weight and the opening size.
Do large lanterns overheat a room?
A large area of south-facing glass can make a room warm on sunny days. Solar-control glass, an opening vent and good background ventilation all help. Our guide on overheating explains the options.
Do I need planning permission for a roof lantern in Melksham?
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.
Do you deliver roof lanterns to Melksham?
Yes. Delivery to Melksham (SN12) is quoted for your exact postcode and confirmed in writing on your quote, together with the lead time.