Flat rooflights in Swanley
Looking for a flat rooflight in Swanley? We price it to your kerb size, confirm the fixed price in writing and deliver to BR8 and the surrounding postcodes, ready for your builder to fit or for us to quote fitting.
Price a flat rooflight for Swanley
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Flat rooflights for Swanley homes
A single near-flat pane on an upstand: minimal, low and discreet.
Winter daylight in Swanley lasts about 7h 51m, against 16h 37m in midsummer. Glass in the roof makes the most of the short days, and the right glass keeps the long ones comfortable.
- Sized to your upstand
- Fixed or electric opening versions
- Single glazed unit with a slight fall
Delivery and fitting in Swanley
Your quote includes delivery to Swanley at a confirmed price, usually to the kerbside or driveway on pallets.
If you would like us to fit it, we will check fitting cover for BR8 and quote a fixed price after seeing photos or surveying.
Delivery to BR8 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Flat rooflight prices for Swanley
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 |
| 1000 × 2000 mm | 2.00 m² | £845–£995£704 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 Swanley
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 Swanley 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 Swanley
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.
How quickly can I get a roof lantern in Swanley?
Stock sizes are typically ready in 5–10 working days, made-to-measure in 3–4 weeks, plus delivery. Your quote gives the date for BR8.
Do you deliver roof lanterns to Swanley?
Yes. Delivery to Swanley (BR8) is quoted for your exact postcode and confirmed in writing on your quote, together with the lead time.