Flat rooflights in Crawley
Buy flat rooflights for homes in Crawley and across West Sussex. 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 RH11 address.
Price a flat rooflight for Crawley
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Flat rooflights for Crawley homes
A single near-flat pane on an upstand: minimal, low and discreet.
On the shortest day Crawley gets about 7h 53m of daylight, with the sun only 15.4° above the horizon at noon. Light from the sky overhead is the brightest available in winter, which is exactly what a roof lantern collects.
- Very low profile from outside
- Minimal, frameless-looking from inside
- Usually cheaper than a lantern
Delivery and fitting in Crawley
Your quote includes delivery to Crawley 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 RH11 and quote a fixed price after seeing photos or surveying.
Delivery to RH11 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Flat rooflight prices for Crawley
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 |
| 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 |
| 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 Crawley
England's Approved Document L caps the U-value of new or replacement rooflights in existing homes at 2.2 W/m²K, calculated with the glass horizontal.
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 Crawley 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 Crawley
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.
Are flat rooflights cheaper than lanterns?
Usually, size for size. They use one glass unit and a simple frame.
Do I need planning permission for a roof lantern in Crawley?
Often not, but it depends on the roof, the property and whether it is listed or in a conservation area. Check with your district, borough or unitary council before ordering.
Can you fit a roof lantern in Crawley?
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.