Bespoke roof lanterns in Isleworth
We supply bespoke roof lanterns to Isleworth (TW7) and the rest of Greater London: sized in millimetres to your upstand, priced up front and delivered on pallets. Fitting can be quoted separately if you need it.
Price a bespoke roof lantern for Isleworth
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Bespoke roof lanterns for Isleworth homes
Made to your exact kerb size, including long, gable-ended and L-shaped designs.
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.
- Made to your exact external kerb size
- Approval drawing before manufacture
- Fixed price confirmed before ordering
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.
Bespoke roof lantern prices for Isleworth
What bespoke roof lanterns cost in common sizes (guide, inc VAT, supply only):
| Kerb size | Roof area | Guide price | Configure |
|---|---|---|---|
| 1000 × 1500 mm | 1.50 m² | £1,295–£1,495£1,079 ex VAT from | Configure |
| 1000 × 2000 mm | 2.00 m² | £1,495–£1,795£1,246 ex VAT from | Configure |
| 1500 × 2000 mm | 3.00 m² | £1,995–£2,295£1,662 ex VAT from | Configure |
| 2000 × 4000 mm | 8.00 m² | £4,095–£4,795£3,412 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 Isleworth
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 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
How accurate do my measurements need to be?
Accurate to the millimetre on the outside of the kerb, measured at several points. Kerbs are rarely perfectly square, so measure both diagonals too. Our measuring guide shows how.
Will I see a drawing before it is made?
For made-to-measure and special shapes, yes: the order is based on a drawing you approve, so the size you check is the size that gets made.
Do you deliver roof lanterns to Isleworth?
Yes. Delivery to Isleworth (TW7) is quoted for your exact postcode and confirmed in writing on your quote, together with the lead time.
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.