Large roof lanterns in Dronfield
Buy large roof lanterns for homes in Dronfield and across Derbyshire. 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 S18 address.
Price a large roof lantern for Dronfield
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Large roof lanterns for Dronfield homes
Lanterns of three metres and more for open-plan extensions, with intermediate rafters.
Winter daylight in Dronfield lasts about 7h 30m, against 17h 00m in midsummer. Glass in the roof makes the most of the short days, and the right glass keeps the long ones comfortable.
- Delivered as a frame kit with glass
- Intermediate rafters carry the larger glass
- Solar-control glass recommended
Delivery and fitting in Dronfield
We confirm the delivery cost and date for S18 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 S18 and quote a fixed price after seeing photos or surveying.
Delivery to S18 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Large roof lantern prices for Dronfield
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 Dronfield
England's Approved Document L caps the U-value of new or replacement rooflights in existing homes at 2.2 W/m²K, calculated with the glass horizontal.
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 Dronfield 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 Dronfield
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.
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 I need planning permission for a roof lantern in Dronfield?
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.
Is it worth having solar-control glass in Dronfield?
With the midsummer sun about 60.1° high at noon, roof glass in Dronfield gets strong summer sun. Solar control is recommended for large or south-facing lanterns.