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SR7 · County Durham

Roof lanterns in Seaham

Whether your Seaham extension is still on paper or the roof is already on, we can price a roof lantern to suit it. Standard sizes cost less and arrive sooner; made-to-measure fits a kerb that is already built.

Postcode districtSR7
AreaCounty Durham
Shortest-day daylight7h 12m
Midsummer noon sun58.6°
Configure and priceCall 0800 088 6248

Price a lantern for Seaham

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Daylight in Seaham

Winter daylight in Seaham lasts about 7h 12m, against 17h 20m in midsummer. Glass in the roof makes the most of the short days, and the right glass keeps the long ones comfortable.

Delivery and fitting in Seaham

We confirm the delivery cost and date for SR7 on your quote. Lanterns arrive palletised, with the glass packed separately.

Fitting in Seaham can be quoted on request by installers working under S&K, subject to cover for your postcode.

Delivery to SR7 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.

Guide prices for Seaham

Rectangular aluminium lanterns, supply only, including VAT:

Guide prices for Seaham
Kerb sizeRoof areaGuide priceConfigure
1200 × 1200 mm1.44 m²£1,295–£1,495£1,079 ex VAT fromConfigure
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

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 Seaham

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.

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 Seaham 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

Roof lantern questions from Seaham

Is it worth having solar-control glass in Seaham?

With the midsummer sun about 58.6° high at noon, roof glass in Seaham gets strong summer sun. Solar control is recommended for large or south-facing lanterns.

Who checks building regulations for a lantern in Seaham?

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.

Do you deliver roof lanterns to Seaham?

Yes. Delivery to Seaham (SR7) is quoted for your exact postcode and confirmed in writing on your quote, together with the lead time.

How quickly can I get a roof lantern in Seaham?

Stock sizes are typically ready in 5–10 working days, made-to-measure in 3–4 weeks, plus delivery. Your quote gives the date for SR7.

Every lantern range in Seaham

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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