Black roof lanterns in Harpenden
Choosing a black roof lantern for a house in Harpenden? Start with the guide prices below, check the planning and building regulations notes for England, then ask for a fixed quote with delivery to AL5.
Price a black roof lantern for Harpenden
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Black roof lanterns for Harpenden homes
RAL 9005 jet black for crisp contrast and steel-look interiors.
In midsummer the noon sun stands about 61.6° high over Harpenden, so roof glazing gets the full strength of it. That is why solar-control glass is worth considering on larger lanterns here.
- Pairs with steel-look screens and doors
- Sharp contrast against sky and ceiling
- RAL 9005 jet black frames
Delivery and fitting in Harpenden
Delivery to AL5 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 AL5 and quote a fixed price after seeing photos or surveying.
Delivery to AL5 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Black roof lantern prices for Harpenden
Typical guide prices for black roof lanterns, supply only and including VAT:
| 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 black. Your fixed price is confirmed in writing on your quote before you order.
Planning and building regulations for Harpenden
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 Harpenden 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 Harpenden
Does black get hotter?
The frame surface does, but the effect on the room is small next to the choice of glass.
Will black fade?
Quality powder coatings are designed for UK weather. Matt finishes may show a slight sheen change over many years.
Who checks building regulations for a lantern in Harpenden?
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 Harpenden?
Yes. Delivery to Harpenden (AL5) is quoted for your exact postcode and confirmed in writing on your quote, together with the lead time.