Solar-control roof lanterns in Dorchester
From a small lantern over a hallway to a long one above a kitchen island, we quote solar-control roof lanterns for Dorchester homes to the exact kerb size, with glass and colour choices set out clearly before you commit.
Price a solar-control roof lantern for Dorchester
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Solar-control roof lanterns for Dorchester homes
Glass that cuts solar heat gain and glare so the room stays comfortable.
At 50.72°N, Dorchester sees roughly 7h 57m of daylight in late December and 16h 30m in late June. A lantern faces the bright overhead sky all year, so it brings in useful light even on the short, grey days.
- Reduces glare over kitchens and TVs
- Combined with a self-cleaning outer pane
- Cuts summer heat gain through the roof
Delivery and fitting in Dorchester
Your quote includes delivery to Dorchester at a confirmed price, usually to the kerbside or driveway on pallets.
Fitting in Dorchester can be quoted on request by installers working under S&K, subject to cover for your postcode.
Delivery to DT1 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Solar-control roof lantern prices for Dorchester
What solar-control roof lanterns cost in common sizes (guide, inc VAT, supply only):
| Kerb size | Roof area | Guide price | Configure |
|---|---|---|---|
| 1000 × 2000 mm | 2.00 m² | £1,695–£1,995£1,412 ex VAT from | Configure |
| 1500 × 2000 mm | 3.00 m² | £2,195–£2,595£1,829 ex VAT from | Configure |
| 1500 × 2500 mm | 3.75 m² | £2,495–£2,895£2,079 ex VAT from | Configure |
| 2000 × 3000 mm | 6.00 m² | £3,495–£4,095£2,912 ex VAT from | Configure |
Guide prices include VAT at 20%, supply only, aluminium with solar-control 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.
On a permitted development extension the lantern counts towards the extension's height; on an existing roof, a rooflight projecting more than 150 mm may need planning permission.
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
Can blinds do the same job?
Internal blinds reduce glare but the heat is already inside the room. Glass that stops the heat at the roof is more effective.
Does it help in winter?
Solar control mainly limits summer heat. Winter heat loss is governed by the U-value, which depends on the glazing unit and frame.
Do I need planning permission for a roof lantern in Dorchester?
Often not, but it depends on the roof, the property and whether it is listed or in a conservation area. Check with your district, borough or unitary council before ordering.
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.