Small roof lanterns in Chelmsford
Whether your Chelmsford extension is still on paper or the roof is already on, we can price a small roof lantern to suit it. Standard sizes cost less and arrive sooner; made-to-measure fits a kerb that is already built.
Price a small roof lantern for Chelmsford
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Small roof lanterns for Chelmsford homes
Compact lanterns for hallways, utility rooms, porches and side returns.
Winter daylight in Chelmsford lasts about 7h 47m, against 16h 41m in midsummer. Glass in the roof makes the most of the short days, and the right glass keeps the long ones comfortable.
- Light enough for two people to lift
- Square pyramid or short rectangular
- Daylight where windows cannot reach
Delivery and fitting in Chelmsford
We confirm the delivery cost and date for CM1 on your quote. Lanterns arrive palletised, with the glass packed separately.
If you would like us to fit it, we will check fitting cover for CM1 and quote a fixed price after seeing photos or surveying.
Delivery to CM1 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Small roof lantern prices for Chelmsford
What small roof lanterns cost in common sizes (guide, inc VAT, supply only):
| Kerb size | Roof area | Guide price | Configure |
|---|---|---|---|
| 1200 × 1200 mm | 1.44 m² | £1,295–£1,495£1,079 ex VAT from | 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 × 1500 mm | 2.25 m² | £1,595–£1,895£1,329 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 Chelmsford
England's Approved Document L caps the U-value of new or replacement rooflights in existing homes at 2.2 W/m²K, calculated with the glass horizontal.
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 Chelmsford 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 Chelmsford
Can I fit a small lantern myself?
Small lanterns are within the reach of a competent builder or roofer. The critical parts are a level, square, weatherproof upstand and the manufacturer's fixing instructions. In existing homes, replacement rooflights are building work that may need building control involvement.
What is the smallest roof lantern?
Many ranges start at around 800–1000 mm. Below that, a flat rooflight is usually the better product.
Do you deliver roof lanterns to Chelmsford?
Yes. Delivery to Chelmsford (CM1) is quoted for your exact postcode and confirmed in writing on your quote, together with the lead time.
Do I need planning permission for a roof lantern in Chelmsford?
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.