Replacement roof lanterns in Bletchley
Planning an extension in Bletchley? A replacement roof lantern is one of the quickest ways to bring daylight into the middle of the room. Use the configurator for a guide price, then send your kerb size for a fixed quote and delivery date.
Price a replacement roof lantern for Bletchley
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Replacement roof lanterns for Bletchley homes
Swap a tired, leaking or polycarbonate lantern for modern double glazing.
On the shortest day Bletchley gets about 7h 44m of daylight, with the sun only 14.6° above the horizon at noon. Light from the sky overhead is the brightest available in winter, which is exactly what a roof lantern collects.
- Reuse the kerb if sound and to size
- Warmer, quieter, brighter
- Often a one-day swap on a sound kerb
Delivery and fitting in Bletchley
Your quote includes delivery to Bletchley 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 Bletchley before quoting.
Delivery to MK3 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Replacement roof lantern prices for Bletchley
Guide prices for common replacement roof lantern sizes, including VAT, supply only:
| Kerb size | Roof area | Guide price | Configure |
|---|---|---|---|
| 1000 × 2000 mm | 2.00 m² | £1,495–£1,795£1,246 ex VAT from | Configure |
| 1500 × 2000 mm | 3.00 m² | £1,995–£2,295£1,662 ex VAT from | Configure |
| 1500 × 2500 mm | 3.75 m² | £2,295–£2,695£1,912 ex VAT from | Configure |
| 2000 × 3000 mm | 6.00 m² | £3,195–£3,695£2,662 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 Bletchley
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.
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 Bletchley 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 Bletchley
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.
Will a new lantern be warmer?
A modern double glazed lantern with a thermally broken frame loses far less heat than polycarbonate.
Can you fit a roof lantern in Bletchley?
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.
Do you deliver roof lanterns to Bletchley?
Yes. Delivery to Bletchley (MK3) is quoted for your exact postcode and confirmed in writing on your quote, together with the lead time.