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England · Rectangular

Rectangular roof lanterns in Hampshire

We supply rectangular roof lanterns across Hampshire, from Southampton to the smaller towns, priced to your kerb size and delivered to your site.

AreaHampshire
NationEngland
Towns listed18
Guide price from£1,295
Configure and priceCall 0800 088 6248

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Choosing rectangular roof lanterns in Hampshire

The classic double-hipped lantern: a ridge, four sloping sides and the most size choice.

Across Hampshire, the shortest day brings around 7h 54m of daylight and the midsummer sun reaches about 62.4° at noon. A lantern collects light from the bright overhead sky all year, and the right glass keeps the long summer days comfortable.

  • Suits kitchen-diners and rear extensions
  • Stock anthracite, black or white, or any RAL
  • Ridge along the long axis, four glazed slopes
  • Intermediate rafters added on longer lengths

Delivery and fitting in Hampshire

Delivery to mainland addresses here is quoted for your postcode and confirmed in writing before you order.

Fitting can be quoted where we have cover; send your postcode and photos of the roof and kerb and we will confirm before quoting.

Rectangular roof lantern prices

Guide prices for common rectangular roof lantern sizes, including VAT, supply only:

Rectangular roof lantern prices
Kerb sizeRoof areaGuide priceConfigure
1000 × 1500 mm1.50 m²£1,295–£1,495£1,079 ex VAT fromConfigure
1000 × 2000 mm2.00 m²£1,495–£1,795£1,246 ex VAT fromConfigure
1500 × 2000 mm3.00 m²£1,995–£2,295£1,662 ex VAT fromConfigure
1500 × 2500 mm3.75 m²£2,295–£2,695£1,912 ex VAT fromConfigure
2000 × 3000 mm6.00 m²£3,195–£3,695£2,662 ex VAT fromConfigure
2000 × 4000 mm8.00 m²£4,095–£4,795£3,412 ex VAT fromConfigure

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 in Hampshire

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.

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 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

Rectangular roof lanterns in Hampshire: questions

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.

Can a rectangular lantern be made to an exact size?

Yes. Made-to-measure lanterns are built to the external kerb size you give us, usually in 10 mm steps within the range's limits. Made-to-measure takes longer than a stock size and cannot be cancelled once ordered, so measure twice.

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.

Do I need planning permission for a roof lantern in Hampshire?

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.

Rectangular roof lanterns by town in Hampshire

Fixed price in writing

Know the price before you order.

Configure your lantern for a guide price, then get a fixed written quote with delivery to your postcode.

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