Opening roof lanterns in Isleworth
Buy opening roof lanterns for homes in Isleworth and across Greater London. 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 TW7 address.
Price an opening roof lantern for Isleworth
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Opening roof lanterns for Isleworth homes
Electric opening vents to let warm air out at the highest point of the room.
At 51.48°N, Isleworth sees roughly 7h 50m of daylight in late December and 16h 38m in late June. A lantern faces the bright overhead sky all year, so it brings in useful light even on the short, grey days.
- Switch or remote control
- Plan the power supply early
- One or two vents depending on size
Delivery and fitting in Isleworth
We confirm the delivery cost and date for TW7 on your quote. Lanterns arrive palletised, with the glass packed separately.
Fitting in Isleworth can be quoted on request by installers working under S&K, subject to cover for your postcode.
Delivery to TW7 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Opening roof lantern prices for Isleworth
Typical guide prices for opening roof lanterns, supply only and including VAT:
| 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 |
| 2000 × 3000 mm | 6.00 m² | £3,890–£4,390£3,242 ex VAT from | Configure |
| 2000 × 4000 mm | 8.00 m² | £4,790–£5,490£3,992 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 Isleworth
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 in Isleworth 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 Isleworth
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.
Is it worth having solar-control glass in Isleworth?
With the midsummer sun about 62.0° high at noon, roof glass in Isleworth gets strong summer sun. Solar control is recommended for large or south-facing lanterns.
Can you fit a roof lantern in Isleworth?
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.