Roof lanterns in Hertford

Daylight in Hertford

In midsummer the noon sun stands about 61.6° high over Hertford, so roof glazing gets the full strength of it. That is why solar-control glass is worth considering on larger lanterns here.

Delivery and fitting in Hertford

We confirm the delivery cost and date for SG13 on your quote. Lanterns arrive palletised, with the glass packed separately.

Need it fitted? Send your postcode and we will confirm whether we have fitting cover in Hertford before quoting.

Delivery to SG13 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.

Guide prices for Hertford

Rectangular aluminium lanterns, supply only, including VAT:

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 Hertford

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 Hertford 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 Hertford