Replacement roof lanterns in Carlisle
Choosing a replacement roof lantern for a house in Carlisle? Start with the guide prices below, check the planning and building regulations notes for England, then ask for a fixed quote with delivery to CA1.
Price a replacement roof lantern for Carlisle
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Replacement roof lanterns for Carlisle homes
Swap a tired, leaking or polycarbonate lantern for modern double glazing.
In midsummer the noon sun stands about 58.5° high over Carlisle, so roof glazing gets the full strength of it. That is why solar-control glass is worth considering on larger lanterns here.
- Replace old polycarbonate with glass
- Supply only or a fitting quote
- Energy standards for replacements explained
Delivery and fitting in Carlisle
Your quote includes delivery to Carlisle 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 CA1 and quote a fixed price after seeing photos or surveying.
Delivery to CA1 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Replacement roof lantern prices for Carlisle
Typical guide prices for replacement roof lanterns, supply only and including VAT:
| 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 |
| 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 |
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 Carlisle
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 Carlisle 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 Carlisle
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.
Who checks building regulations for a lantern in Carlisle?
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.
Do you deliver roof lanterns to Carlisle?
Yes. Delivery to Carlisle (CA1) is quoted for your exact postcode and confirmed in writing on your quote, together with the lead time.