Orangery roof lanterns in Dorchester
Order orangery roof lanterns for delivery to Dorchester and nearby Weymouth and Bridport. 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 an orangery roof lantern for Dorchester
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Orangery roof lanterns for Dorchester homes
The glazed centrepiece of an orangery roof, framed by a solid perimeter.
Winter daylight in Dorchester lasts about 7h 57m, against 16h 30m in midsummer. Glass in the roof makes the most of the short days, and the right glass keeps the long ones comfortable.
- Colour-matched to doors and windows
- Sized to leave a solid perimeter border
- The glazed heart of an orangery roof
Delivery and fitting in Dorchester
Your quote includes delivery to Dorchester at a confirmed price, usually to the kerbside or driveway on pallets.
Need it fitted? Send your postcode and we will confirm whether we have fitting cover in Dorchester before quoting.
Delivery to DT1 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Orangery roof lantern prices for Dorchester
What orangery 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 Dorchester
For homes in England, a new or replacement rooflight should achieve a U-value of 2.2 W/m²K or better in the horizontal position, under Approved Document L.
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 Dorchester 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 Dorchester
Should the lantern match my bifold doors?
A common choice is to match the outside colour, often anthracite. The inside can be white to keep the ceiling bright.
Do orangery lanterns come with cresting?
They can. Cresting and finials are options on traditional ranges.
How quickly can I get a roof lantern in Dorchester?
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 DT1.
Who checks building regulations for a lantern in Dorchester?
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.