Bespoke roof lanterns in Dartford
Looking for a bespoke roof lantern in Dartford? We price it to your kerb size, confirm the fixed price in writing and deliver to DA1 and the surrounding postcodes, ready for your builder to fit or for us to quote fitting.
Price a bespoke roof lantern for Dartford
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Bespoke roof lanterns for Dartford homes
Made to your exact kerb size, including long, gable-ended and L-shaped designs.
In midsummer the noon sun stands about 62.0° high over Dartford, so roof glazing gets the full strength of it. That is why solar-control glass is worth considering on larger lanterns here.
- Any RAL colour inside and out
- Gable-ended and L-shaped designs on request
- Approval drawing before manufacture
Delivery and fitting in Dartford
Your quote includes delivery to Dartford at a confirmed price, usually to the kerbside or driveway on pallets.
Fitting in Dartford can be quoted on request by installers working under S&K, subject to cover for your postcode.
Delivery to DA1 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Bespoke roof lantern prices for Dartford
Guide prices for common bespoke roof lantern sizes, including VAT, supply only:
| 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 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.
Lanterns on permitted development extensions are part of the extension's height limits. Adding one to an existing roof is different: over 150 mm of projection can mean a planning application.
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
Can I return a bespoke lantern?
No. Goods made to your specification are excluded from the 14-day cancellation right under the Consumer Contracts Regulations. Your other legal rights, for example if the lantern is faulty, are not affected.
How accurate do my measurements need to be?
Accurate to the millimetre on the outside of the kerb, measured at several points. Kerbs are rarely perfectly square, so measure both diagonals too. Our measuring guide shows how.
Can you fit a roof lantern in Dartford?
We can quote for fitting where we have cover. Send your postcode and photos of the roof and kerb, and we will confirm before quoting.
Is it worth having solar-control glass in Dartford?
With the midsummer sun about 62.0° high at noon, roof glass in Dartford gets strong summer sun. Solar control is recommended for large or south-facing lanterns.