Contemporary roof lanterns in Dartford
Order contemporary roof lanterns for delivery to Dartford and nearby Bexley and Swanley. Every lantern is checked against your measurements before it is ordered, and the price on your quote is fixed for the specification shown; any extra work is agreed with you first.
Price a contemporary roof lantern for Dartford
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Contemporary roof lanterns for Dartford homes
Slim frames, fewer bars and a lower profile for a cleaner view of the sky.
Winter daylight in Dartford lasts about 7h 50m, against 16h 38m in midsummer. Glass in the roof makes the most of the short days, and the right glass keeps the long ones comfortable.
- Slim profile suits anthracite and black
- Larger glass units between bars
- More sky, less frame from inside
Delivery and fitting in Dartford
Delivery to DA1 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 DA1 and quote a fixed price after seeing photos or surveying.
Delivery to DA1 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Contemporary roof lantern prices for Dartford
Typical guide prices for contemporary roof lanterns, supply only and including VAT:
| Kerb size | Roof area | Guide price | Configure |
|---|---|---|---|
| 1000 × 1500 mm | 1.50 m² | £1,395–£1,695£1,162 ex VAT from | Configure |
| 1000 × 2000 mm | 2.00 m² | £1,695–£1,995£1,412 ex VAT from | Configure |
| 1500 × 2000 mm | 3.00 m² | £2,095–£2,495£1,746 ex VAT from | Configure |
| 1500 × 2500 mm | 3.75 m² | £2,495–£2,895£2,079 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 Dartford
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 Dartford 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 Dartford
Do contemporary lanterns cost more?
Usually a little more per size than a standard range, because the bigger glass units cost more to make and handle.
Are contemporary lanterns weaker?
They are engineered for the sizes they are sold in. That is exactly why their maximum sizes are often smaller: the frame is slimmer, so each range has its own limits.
Who checks building regulations for a lantern in Dartford?
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.
How quickly can I get a roof lantern in Dartford?
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 DA1.