White roof lanterns in Dorchester
We supply white roof lanterns to Dorchester (DT1) and the rest of Dorset: sized in millimetres to your upstand, priced up front and delivered on pallets. Fitting can be quoted separately if you need it.
Price a white roof lantern for Dorchester
Postcode and kerb size first, then your details. We reply with a fixed written quote.
White roof lanterns for Dorchester homes
Classic white frames that blend into the ceiling and suit period homes.
On the shortest day Dorchester gets about 7h 57m of daylight, with the sun only 15.8° above the horizon at noon. Light from the sky overhead is the brightest available in winter, which is exactly what a roof lantern collects.
- Grey or black outside if preferred
- Blends into a white ceiling
- Gloss or satin whites
Delivery and fitting in Dorchester
We confirm the delivery cost and date for DT1 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 Dorchester before quoting.
Delivery to DT1 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
White roof lantern prices for Dorchester
What white roof lanterns cost in common sizes (guide, inc VAT, supply only):
| Kerb size | Roof area | Guide price | Configure |
|---|---|---|---|
| 1000 × 2000 mm | 2.00 m² | £1,495–£1,795£1,246 ex VAT from | 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 |
Guide prices include VAT at 20%, supply only, aluminium with self-cleaning double glazing in white. Your fixed price is confirmed in writing on your quote before you order.
Planning and building regulations for Dorchester
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 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
Is white cheaper?
White is a stock colour, so it costs the same as the other stock colours.
Does a white lantern show dirt?
Outside, white shows dirt more than grey. Self-cleaning glass helps with the glass, and the frames benefit from an occasional wash.
Do you deliver roof lanterns to Dorchester?
Yes. Delivery to Dorchester (DT1) is quoted for your exact postcode and confirmed in writing on your quote, together with the lead time.
Is it worth having solar-control glass in Dorchester?
With the midsummer sun about 62.7° high at noon, roof glass in Dorchester gets strong summer sun. Solar control is recommended for large or south-facing lanterns.