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England · Rectangular

Rectangular roof lanterns in County Durham

Across County Durham, rectangular roof lanterns are quoted to the external kerb size, with delivery confirmed for your postcode and fitting available on request.

AreaCounty Durham
NationEngland
Towns listed12
Guide price from£1,295
Configure and priceCall 0800 088 6248

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Choosing rectangular roof lanterns in County Durham

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

Across County Durham, the shortest day brings around 7h 13m of daylight and the midsummer sun reaches about 58.7° at noon. A lantern collects light from the bright overhead sky all year, and the right glass keeps the long summer days comfortable.

  • The most size options of any lantern shape
  • 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 County Durham

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

Typical guide prices for rectangular roof lanterns, supply only and including VAT:

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 County Durham

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.

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 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 County Durham: 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.

Which way should the ridge run?

The ridge runs along the longer side. On a square opening there is no ridge and the lantern becomes a pyramid.

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.

Who checks building regulations for a lantern in County Durham?

Your local authority building control team or a registered building control approver. For a lantern in a new extension it forms part of the extension's approval; replacements in existing homes have their own rules.

Rectangular roof lanterns by town in County Durham

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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