Opening roof lanterns in Gerrards Cross
Whether your Gerrards Cross extension is still on paper or the roof is already on, we can price an opening roof lantern to suit it. Standard sizes cost less and arrive sooner; made-to-measure fits a kerb that is already built.
Price an opening roof lantern for Gerrards Cross
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Opening roof lanterns for Gerrards Cross homes
Electric opening vents to let warm air out at the highest point of the room.
In midsummer the noon sun stands about 61.9° high over Gerrards Cross, so roof glazing gets the full strength of it. That is why solar-control glass is worth considering on larger lanterns here.
- Plan the power supply early
- Electric vents at the room's highest point
- Helps keep kitchens cool in summer
Delivery and fitting in Gerrards Cross
Delivery to SL9 is quoted for your postcode and arrives on pallets at the kerbside, so plan enough people to unload.
Need it fitted? Send your postcode and we will confirm whether we have fitting cover in Gerrards Cross before quoting.
Delivery to SL9 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Opening roof lantern prices for Gerrards Cross
What opening roof lanterns cost in common sizes (guide, inc VAT, supply only):
| Kerb size | Roof area | Guide price | Configure |
|---|---|---|---|
| 1000 × 1500 mm | 1.50 m² | £1,990–£2,190£1,658 ex VAT from | 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 |
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 Gerrards Cross
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.
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 in Gerrards Cross 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 Gerrards Cross
Does an opening vent let insects in?
When open, yes, as with any window. Some ranges offer fly screens.
Can I have a manual opening vent?
Manual vents are rare on lanterns because they are out of reach. Electric operation is standard.
Can you fit a roof lantern in Gerrards Cross?
We can quote for fitting where we have cover. Send your postcode and photos of the roof and kerb, and we will confirm before quoting.
Is it worth having solar-control glass in Gerrards Cross?
With the midsummer sun about 61.9° high at noon, roof glass in Gerrards Cross gets strong summer sun. Solar control is recommended for large or south-facing lanterns.