Opening roof lanterns in King's Lynn
Buy opening roof lanterns for homes in King's Lynn and across Norfolk. Choose a standard size or have one made to your kerb, see a guide price straight away, then get a fixed written quote with delivery to your PE30 address.
Price an opening roof lantern for King's Lynn
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Opening roof lanterns for King's Lynn homes
Electric opening vents to let warm air out at the highest point of the room.
At 52.75°N, King's Lynn sees roughly 7h 36m of daylight in late December and 16h 53m in late June. A lantern faces the bright overhead sky all year, so it brings in useful light even on the short, grey days.
- Rain sensor closes it automatically
- Switch or remote control
- One or two vents depending on size
Delivery and fitting in King's Lynn
We confirm the delivery cost and date for PE30 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 King's Lynn before quoting.
Delivery to PE30 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Opening roof lantern prices for King's Lynn
What opening roof lanterns cost in common sizes (guide, inc VAT, supply only):
| Kerb size | Roof area | Guide price | Configure |
|---|---|---|---|
| 1000 × 2000 mm | 2.00 m² | £2,190–£2,490£1,825 ex VAT from | Configure |
| 1500 × 2000 mm | 3.00 m² | £2,690–£2,990£2,242 ex VAT from | Configure |
| 1500 × 2500 mm | 3.75 m² | £2,990–£3,390£2,492 ex VAT from | Configure |
| 2000 × 3000 mm | 6.00 m² | £3,890–£4,390£3,242 ex VAT from | Configure |
Guide prices include VAT at 20%, supply only, aluminium with self-cleaning double glazing in a stock colour, including one electric vent. Your fixed price is confirmed in writing on your quote before you order.
Planning and building regulations for King's Lynn
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 King's Lynn 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
Questions from King's Lynn
What happens if it rains while the vent is open?
With a rain sensor the vent closes automatically. Without one it stays where you left it, so a sensor is worth having.
Can a vent be added later?
Usually not to an existing fixed lantern. Decide before ordering.
Is it worth having solar-control glass in King's Lynn?
With the midsummer sun about 60.7° high at noon, roof glass in King's Lynn gets strong summer sun. Solar control is recommended for large or south-facing lanterns.
How quickly can I get a roof lantern in King's Lynn?
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 PE30.