Opening roof lanterns in Brentwood
From a small lantern over a hallway to a long one above a kitchen island, we quote opening roof lanterns for Brentwood homes to the exact kerb size, with glass and colour choices set out clearly before you commit.
Price an opening roof lantern for Brentwood
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Opening roof lanterns for Brentwood homes
Electric opening vents to let warm air out at the highest point of the room.
On the shortest day Brentwood gets about 7h 48m of daylight, with the sun only 14.9° above the horizon at noon. Light from the sky overhead is the brightest available in winter, which is exactly what a roof lantern collects.
- Plan the power supply early
- One or two vents depending on size
- Switch or remote control
Delivery and fitting in Brentwood
Your quote includes delivery to Brentwood 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 Brentwood before quoting.
Delivery to CM14 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Opening roof lantern prices for Brentwood
What opening roof lanterns cost in common sizes (guide, inc VAT, supply only):
| Kerb size | Roof area | Guide price | Configure |
|---|---|---|---|
| 1000 × 1500 mm | 1.50 m² | £1,990–£2,190£1,658 ex VAT from | Configure |
| 1000 × 2000 mm | 2.00 m² | £2,190–£2,490£1,825 ex VAT from | Configure |
| 1500 × 2000 mm | 3.00 m² | £2,690–£2,990£2,242 ex VAT from | Configure |
| 2000 × 4000 mm | 8.00 m² | £4,790–£5,490£3,992 ex VAT from | Configure |
Guide prices include VAT at 20%, supply only, aluminium with self-cleaning double glazing in a stock colour, including one electric vent. Your fixed price is confirmed in writing on your quote before you order.
Planning and building regulations for Brentwood
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 Brentwood 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 Brentwood
Can a vent be added later?
Usually not to an existing fixed lantern. Decide before ordering.
Can I have a manual opening vent?
Manual vents are rare on lanterns because they are out of reach. Electric operation is standard.
Who checks building regulations for a lantern in Brentwood?
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.
Is it worth having solar-control glass in Brentwood?
With the midsummer sun about 61.8° high at noon, roof glass in Brentwood gets strong summer sun. Solar control is recommended for large or south-facing lanterns.