Replacement roof lanterns in Hanworth
From a small lantern over a hallway to a long one above a kitchen island, we quote replacement roof lanterns for Hanworth homes to the exact kerb size, with glass and colour choices set out clearly before you commit.
Price a replacement roof lantern for Hanworth
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Replacement roof lanterns for Hanworth homes
Swap a tired, leaking or polycarbonate lantern for modern double glazing.
On the shortest day Hanworth gets about 7h 50m of daylight, with the sun only 15.1° above the horizon at noon. Light from the sky overhead is the brightest available in winter, which is exactly what a roof lantern collects.
- Warmer, quieter, brighter
- Supply only or a fitting quote
- Energy standards for replacements explained
Delivery and fitting in Hanworth
Delivery to TW13 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 TW13 and quote a fixed price after seeing photos or surveying.
Delivery to TW13 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Replacement roof lantern prices for Hanworth
What replacement roof lanterns cost in common sizes (guide, inc VAT, supply only):
| Kerb size | Roof area | Guide price | Configure |
|---|---|---|---|
| 1000 × 1500 mm | 1.50 m² | £1,295–£1,495£1,079 ex VAT from | Configure |
| 1000 × 2000 mm | 2.00 m² | £1,495–£1,795£1,246 ex VAT from | Configure |
| 2000 × 3000 mm | 6.00 m² | £3,195–£3,695£2,662 ex VAT from | Configure |
| 2000 × 4000 mm | 8.00 m² | £4,095–£4,795£3,412 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 Hanworth
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 Hanworth 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 Hanworth
Will a new lantern be warmer?
A modern double glazed lantern with a thermally broken frame loses far less heat than polycarbonate.
How long does replacement take on site?
For a like-for-like swap on a sound kerb, often a day. Kerb or roof repairs add time.
Is it worth having solar-control glass in Hanworth?
With the midsummer sun about 62.0° high at noon, roof glass in Hanworth gets strong summer sun. Solar control is recommended for large or south-facing lanterns.
Can you fit a roof lantern in Hanworth?
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.