Triple glazed roof lanterns in Hertfordshire

Choosing triple glazed roof lanterns in Hertfordshire

Three panes for lower heat loss, a warmer inner surface and less noise.

Across Hertfordshire, the shortest day brings around 7h 47m of daylight and the midsummer sun reaches about 61.7° at noon. A lantern collects light from the bright overhead sky all year, and the right glass keeps the long summer days comfortable.

• Three panes for lower heat loss
• Quieter in heavy rain
• Approximate weight shown before you order
• Warmer inner pane, less condensation risk

Delivery and fitting in Hertfordshire

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.

Triple glazed roof lantern prices

What triple glazed roof lanterns cost in common sizes (guide, inc VAT, supply only):

Guide prices include VAT at 20%, supply only, aluminium with triple glazing in a stock colour. Your fixed price is confirmed in writing on your quote before you order.

Planning and building regulations in Hertfordshire

For homes in England, a new or replacement rooflight should achieve a U-value of 2.2 W/m²K or better in the horizontal position, under Approved Document L.

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

Triple glazed roof lanterns in Hertfordshire: questions