Flat rooflights in Sunbury-on-Thames
Looking for a flat rooflight in Sunbury-on-Thames? We price it to your kerb size, confirm the fixed price in writing and deliver to TW16 and the surrounding postcodes, ready for your builder to fit or for us to quote fitting.
Price a flat rooflight for Sunbury-on-Thames
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Flat rooflights for Sunbury-on-Thames homes
A single near-flat pane on an upstand: minimal, low and discreet.
On the shortest day Sunbury-on-Thames 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.
- Fixed or electric opening versions
- Usually cheaper than a lantern
- Single glazed unit with a slight fall
Delivery and fitting in Sunbury-on-Thames
Your quote includes delivery to Sunbury-on-Thames at a confirmed price, usually to the kerbside or driveway on pallets.
Need it fitted? Send your postcode and we will confirm whether we have fitting cover in Sunbury-on-Thames before quoting.
Delivery to TW16 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Flat rooflight prices for Sunbury-on-Thames
What flat rooflights cost in common sizes (guide, inc 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 Sunbury-on-Thames
For homes in England, a new or replacement rooflight should achieve a U-value of 2.2 W/m²K or better in the horizontal position, under Approved Document L.
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 Sunbury-on-Thames 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 Sunbury-on-Thames
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.
Who checks building regulations for a lantern in Sunbury-on-Thames?
Your local authority building control team or a registered building control approver. For a lantern in a new extension it forms part of the extension's approval; replacements in existing homes have their own rules.
Is it worth having solar-control glass in Sunbury-on-Thames?
With the midsummer sun about 62.0° high at noon, roof glass in Sunbury-on-Thames gets strong summer sun. Solar control is recommended for large or south-facing lanterns.