Flat rooflights in Blackheath
Order flat rooflights for delivery to Blackheath and nearby Greenwich and Catford. Every lantern is checked against your measurements before it is ordered, and the price on your quote is fixed for the specification shown; any extra work is agreed with you first.
Price a flat rooflight for Blackheath
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Flat rooflights for Blackheath homes
A single near-flat pane on an upstand: minimal, low and discreet.
Winter daylight in Blackheath lasts about 7h 50m, against 16h 38m in midsummer. Glass in the roof makes the most of the short days, and the right glass keeps the long ones comfortable.
- Usually cheaper than a lantern
- Single glazed unit with a slight fall
- Minimal, frameless-looking from inside
Delivery and fitting in Blackheath
We confirm the delivery cost and date for SE3 on your quote. Lanterns arrive palletised, with the glass packed separately.
Need it fitted? Send your postcode and we will confirm whether we have fitting cover in Blackheath before quoting.
Delivery to SE3 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Flat rooflight prices for Blackheath
Typical guide prices for flat rooflights, supply only and including VAT:
| 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 Blackheath
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 Blackheath 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 Blackheath
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.
Are flat rooflights cheaper than lanterns?
Usually, size for size. They use one glass unit and a simple frame.
Is it worth having solar-control glass in Blackheath?
With the midsummer sun about 62.0° high at noon, roof glass in Blackheath gets strong summer sun. Solar control is recommended for large or south-facing lanterns.
Do you deliver roof lanterns to Blackheath?
Yes. Delivery to Blackheath (SE3) is quoted for your exact postcode and confirmed in writing on your quote, together with the lead time.