Large roof lanterns in Preston
Looking for a large roof lantern in Preston? We price it to your kerb size, confirm the fixed price in writing and deliver to PR1 and the surrounding postcodes, ready for your builder to fit or for us to quote fitting.
Price a large roof lantern for Preston
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Large roof lanterns for Preston homes
Lanterns of three metres and more for open-plan extensions, with intermediate rafters.
On the shortest day Preston gets about 7h 25m of daylight, with the sun only 12.8° above the horizon at noon. Light from the sky overhead is the brightest available in winter, which is exactly what a roof lantern collects.
- Lengths from about three to six metres
- Fitting can be quoted on request
- Approximate weight given with your quote
Delivery and fitting in Preston
We confirm the delivery cost and date for PR1 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 PR1 and quote a fixed price after seeing photos or surveying.
Delivery to PR1 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Large roof lantern prices for Preston
Typical guide prices for large roof lanterns, supply only and including VAT:
| Kerb size | Roof area | Guide price | 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 |
| 2500 × 4000 mm | 10.00 m² | £4,895–£5,695£4,079 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 Preston
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 Preston 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 Preston
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.
Is it worth having solar-control glass in Preston?
With the midsummer sun about 59.7° high at noon, roof glass in Preston gets strong summer sun. Solar control is recommended for large or south-facing lanterns.
Do I need planning permission for a roof lantern in Preston?
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.