Flat rooflights in Ewell
Planning an extension in Ewell? A flat rooflight is one of the quickest ways to bring daylight into the middle of the room. Use the configurator for a guide price, then send your kerb size for a fixed quote and delivery date.
Price a flat rooflight for Ewell
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Flat rooflights for Ewell homes
A single near-flat pane on an upstand: minimal, low and discreet.
On the shortest day Ewell gets about 7h 51m of daylight, with the sun only 15.2° above the horizon at noon. Light from the sky overhead is the brightest available in winter, which is exactly what a roof lantern collects.
- Single glazed unit with a slight fall
- Usually cheaper than a lantern
- Very low profile from outside
Delivery and fitting in Ewell
Delivery to KT17 is quoted for your postcode and arrives on pallets at the kerbside, so plan enough people to unload.
If you would like us to fit it, we will check fitting cover for KT17 and quote a fixed price after seeing photos or surveying.
Delivery to KT17 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Flat rooflight prices for Ewell
Guide prices for common flat rooflight sizes, including VAT, supply only:
| Kerb size | Roof area | Guide price | Configure |
|---|---|---|---|
| 1000 × 1000 mm | 1.00 m² | £595–£695£496 ex VAT from | Configure |
| 1200 × 1200 mm | 1.44 m² | £695–£845£579 ex VAT from | Configure |
| 1000 × 1500 mm | 1.50 m² | £695–£845£579 ex VAT from | Configure |
| 1500 × 1500 mm | 2.25 m² | £895–£1,095£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 Ewell
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.
Planning-wise, a lantern on a new extension is judged as part of that extension, while one added to an existing roof can fall outside permitted development if it stands more than 150 mm proud.
Building regulations in Ewell 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 Ewell
Can I walk on a flat rooflight?
Only if it is a walk-on rooflight designed for foot traffic. Standard rooflights are not designed to be walked on.
Do flat rooflights leak?
They should not, provided they are installed on a properly flashed upstand with the right fall and the seals are maintained.
Can you fit a roof lantern in Ewell?
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.
Do you deliver roof lanterns to Ewell?
Yes. Delivery to Ewell (KT17) is quoted for your exact postcode and confirmed in writing on your quote, together with the lead time.