Anthracite grey roof lanterns in Dereham
Whether your Dereham extension is still on paper or the roof is already on, we can price an anthracite grey roof lantern to suit it. Standard sizes cost less and arrive sooner; made-to-measure fits a kerb that is already built.
Price an anthracite grey roof lantern for Dereham
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Anthracite grey roof lanterns for Dereham homes
RAL 7016 anthracite grey, a widely chosen colour to match grey doors and windows.
At 52.68°N, Dereham sees roughly 7h 37m of daylight in late December and 16h 52m in late June. A lantern faces the bright overhead sky all year, so it brings in useful light even on the short, grey days.
- RAL 7016, widely chosen for grey extensions
- Matches most grey bifold and sliding doors
- Usually no surcharge as a stock colour
Delivery and fitting in Dereham
We confirm the delivery cost and date for NR19 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 Dereham before quoting.
Delivery to NR19 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Anthracite grey roof lantern prices for Dereham
Typical guide prices for anthracite grey 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 |
| 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 anthracite grey. Your fixed price is confirmed in writing on your quote before you order.
Planning and building regulations for Dereham
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 Dereham 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 Dereham
Does anthracite show dirt?
Less than white. Dust and pollen are more visible on dark gloss finishes, which is why most grey lanterns use a matt or textured finish.
Is anthracite grey the same as RAL 7016?
Yes. Some suppliers call it slate grey or charcoal grey, which can cause confusion, so always check the RAL number.
How quickly can I get a roof lantern in Dereham?
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 NR19.
Who checks building regulations for a lantern in Dereham?
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.