Rectangular roof lanterns in Penrith
Buy rectangular roof lanterns for homes in Penrith and across Cumbria. 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 CA11 address.
Price a rectangular roof lantern for Penrith
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Rectangular roof lanterns for Penrith homes
The classic double-hipped lantern: a ridge, four sloping sides and the most size choice.
Winter daylight in Penrith lasts about 7h 14m, against 17h 18m in midsummer. Glass in the roof makes the most of the short days, and the right glass keeps the long ones comfortable.
- Ridge along the long axis, four glazed slopes
- Suits kitchen-diners and rear extensions
- Intermediate rafters added on longer lengths
Delivery and fitting in Penrith
Delivery to CA11 is quoted for your postcode and arrives on pallets at the kerbside, so plan enough people to unload.
Fitting in Penrith can be quoted on request by installers working under S&K, subject to cover for your postcode.
Delivery to CA11 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Rectangular roof lantern prices for Penrith
Guide prices for common rectangular roof lantern sizes, including VAT, supply only:
| Kerb size | Roof area | Guide price | Configure |
|---|---|---|---|
| 1000 × 2000 mm | 2.00 m² | £1,495–£1,795£1,246 ex VAT from | Configure |
| 1500 × 2000 mm | 3.00 m² | £1,995–£2,295£1,662 ex VAT from | Configure |
| 1500 × 2500 mm | 3.75 m² | £2,295–£2,695£1,912 ex VAT from | Configure |
| 2000 × 3000 mm | 6.00 m² | £3,195–£3,695£2,662 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 Penrith
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.
Lanterns on permitted development extensions are part of the extension's height limits. Adding one to an existing roof is different: over 150 mm of projection can mean a planning application.
Building regulations in Penrith 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 Penrith
Does a longer lantern need extra support?
Long lanterns use intermediate rafters inside the lantern itself. The roof structure around the opening must be designed to carry the lantern's weight; your builder or engineer sizes the trimmers.
What is the most common rectangular roof lantern size?
Sizes of 1000 × 2000 mm and 1500 × 2500 mm are common standard sizes for kitchen and dining extensions, but the right size is the one that matches your kerb. If your kerb is not built yet, our sizes guide helps you pick a standard size first.
Is it worth having solar-control glass in Penrith?
With the midsummer sun about 58.8° high at noon, roof glass in Penrith gets strong summer sun. Solar control is recommended for large or south-facing lanterns.
Do I need planning permission for a roof lantern in Penrith?
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.