Replacement roof lanterns in Amersham
From a small lantern over a hallway to a long one above a kitchen island, we quote replacement roof lanterns for Amersham homes to the exact kerb size, with glass and colour choices set out clearly before you commit.
Price a replacement roof lantern for Amersham
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Replacement roof lanterns for Amersham homes
Swap a tired, leaking or polycarbonate lantern for modern double glazing.
In midsummer the noon sun stands about 61.8° high over Amersham, so roof glazing gets the full strength of it. That is why solar-control glass is worth considering on larger lanterns here.
- Often a one-day swap on a sound kerb
- Reuse the kerb if sound and to size
- Supply only or a fitting quote
Delivery and fitting in Amersham
We confirm the delivery cost and date for HP7 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 Amersham before quoting.
Delivery to HP7 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Replacement roof lantern prices for Amersham
What replacement roof lanterns cost in common sizes (guide, inc VAT, supply only):
| Kerb size | Roof area | Guide price | 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 |
| 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 Amersham
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 Amersham 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 Amersham
My old lantern leaks. Is it the lantern or the roof?
Often the roof or kerb detailing. A survey or close inspection will tell. If the lantern is the problem, replacing it is usually better value than repairing old 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.
Do you deliver roof lanterns to Amersham?
Yes. Delivery to Amersham (HP7) is quoted for your exact postcode and confirmed in writing on your quote, together with the lead time.
Can you fit a roof lantern in Amersham?
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.