Supply-only roof lanterns in Northampton
Whether your Northampton extension is still on paper or the roof is already on, we can price a supply-only roof lantern to suit it. Standard sizes cost less and arrive sooner; made-to-measure fits a kerb that is already built.
Price a supply-only roof lantern for Northampton
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Supply-only roof lanterns for Northampton homes
Delivered to you or your builder, ready for your own team to fit.
On the shortest day Northampton gets about 7h 42m of daylight, with the sun only 14.3° above the horizon at noon. Light from the sky overhead is the brightest available in winter, which is exactly what a roof lantern collects.
- Fitting quote available if needed
- Delivery quoted for your postcode
- Fixed price in writing before ordering
Delivery and fitting in Northampton
We confirm the delivery cost and date for NN1 on your quote. Lanterns arrive palletised, with the glass packed separately.
If you would like us to fit it, we will check fitting cover for NN1 and quote a fixed price after seeing photos or surveying.
Delivery to NN1 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Supply-only roof lantern prices for Northampton
Guide prices for common supply-only roof lantern sizes, including 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 |
| 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 Northampton
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 Northampton 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 Northampton
Can you deliver to Scotland, Northern Ireland or the islands?
Mainland Britain is standard. The Scottish Highlands, islands and Northern Ireland are by arrangement, with delivery confirmed on your quote.
What if the lantern arrives damaged?
Check the packaging and glass on delivery where you can, note any damage on the delivery paperwork and tell us straight away with photos. Goods remain our responsibility until they are delivered to you.
Who checks building regulations for a lantern in Northampton?
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 I need planning permission for a roof lantern in Northampton?
Often not, but it depends on the roof, the property and whether it is listed or in a conservation area. Check with your district, borough or unitary council before ordering.