Replacement roof lanterns in Brentwood
Choosing a replacement roof lantern for a house in Brentwood? Start with the guide prices below, check the planning and building regulations notes for England, then ask for a fixed quote with delivery to CM14.
Price a replacement roof lantern for Brentwood
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Replacement roof lanterns for Brentwood homes
Swap a tired, leaking or polycarbonate lantern for modern double glazing.
At 51.62°N, Brentwood sees roughly 7h 48m of daylight in late December and 16h 40m in late June. A lantern faces the bright overhead sky all year, so it brings in useful light even on the short, grey days.
- Reuse the kerb if sound and to size
- Warmer, quieter, brighter
- Supply only or a fitting quote
Delivery and fitting in Brentwood
Delivery to CM14 is quoted for your postcode and arrives on pallets at the kerbside, so plan enough people to unload.
Fitting in Brentwood can be quoted on request by installers working under S&K, subject to cover for your postcode.
Delivery to CM14 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Replacement roof lantern prices for Brentwood
What replacement 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 |
| 1500 × 2000 mm | 3.00 m² | £1,995–£2,295£1,662 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 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.
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 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
How long does replacement take on site?
For a like-for-like swap on a sound kerb, often a day. Kerb or roof repairs add time.
Can I replace polycarbonate panels with glass?
Usually not in the old frame: glass is much heavier than polycarbonate and the frame was not designed for it. Replacing the whole lantern is the safer route.
Do I need planning permission for a roof lantern in Brentwood?
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 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.