Large roof lanterns in Ruislip
Choosing a large roof lantern for a house in Ruislip? Start with the guide prices below, check the planning and building regulations notes for England, then ask for a fixed quote with delivery to HA4.
Price a large roof lantern for Ruislip
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Large roof lanterns for Ruislip homes
Lanterns of three metres and more for open-plan extensions, with intermediate rafters.
Winter daylight in Ruislip lasts about 7h 49m, against 16h 39m in midsummer. Glass in the roof makes the most of the short days, and the right glass keeps the long ones comfortable.
- Delivered as a frame kit with glass
- Intermediate rafters carry the larger glass
- Fitting can be quoted on request
Delivery and fitting in Ruislip
We confirm the delivery cost and date for HA4 on your quote. Lanterns arrive palletised, with the glass packed separately.
If you would like us to fit it, we will check fitting cover for HA4 and quote a fixed price after seeing photos or surveying.
Delivery to HA4 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Large roof lantern prices for Ruislip
What large roof lanterns cost in common sizes (guide, inc VAT, supply only):
| Kerb size | Roof area | Guide price | Configure |
|---|---|---|---|
| 1500 × 3000 mm | 4.50 m² | £2,595–£2,995£2,162 ex VAT from | Configure |
| 2000 × 4000 mm | 8.00 m² | £4,095–£4,795£3,412 ex VAT from | Configure |
| 2500 × 4000 mm | 10.00 m² | £4,895–£5,695£4,079 ex VAT from | Configure |
| 3000 × 4000 mm | 12.00 m² | £5,695–£6,595£4,746 ex VAT from | Configure |
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 Ruislip
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 Ruislip 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 Ruislip
Does a large lantern need structural calculations?
The roof structure around it usually does. Your engineer or building control body will want the lantern's weight and the opening size.
How is a large lantern delivered?
On pallets, usually with the frame and glass packed separately. The heaviest single item is normally a glass unit, which needs two or more people to lift safely.
Is it worth having solar-control glass in Ruislip?
With the midsummer sun about 61.9° high at noon, roof glass in Ruislip gets strong summer sun. Solar control is recommended for large or south-facing lanterns.
Who checks building regulations for a lantern in Ruislip?
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.