Supply-only roof lanterns in Barnet
Whether your Barnet 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 Barnet
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Supply-only roof lanterns for Barnet homes
Delivered to you or your builder, ready for your own team to fit.
At 51.65°N, Barnet sees roughly 7h 48m of daylight in late December and 16h 40m in late June. A lantern faces the bright overhead sky all year, so it brings in useful light even on the short, grey days.
- Fitting quote available if needed
- Priced and ordered to your kerb size
- Your builder fits it to the instructions
Delivery and fitting in Barnet
Delivery to EN5 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 EN5 and quote a fixed price after seeing photos or surveying.
Delivery to EN5 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Supply-only roof lantern prices for Barnet
What supply-only 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 Barnet
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 Barnet 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 Barnet
Can I collect?
Ask us when you request your quote. Collection depends on where your lantern is made.
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.
Do you deliver roof lanterns to Barnet?
Yes. Delivery to Barnet (EN5) is quoted for your exact postcode and confirmed in writing on your quote, together with the lead time.
How quickly can I get a roof lantern in Barnet?
Stock sizes are typically ready in 5–10 working days, made-to-measure in 3–4 weeks, plus delivery. Your quote gives the date for EN5.