Large roof lanterns in Grays
Buy large roof lanterns for homes in Grays and across Essex. Choose a standard size or have one made to your kerb, see a guide price straight away, then get a fixed written quote with delivery to your RM17 address.
Price a large roof lantern for Grays
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Large roof lanterns for Grays homes
Lanterns of three metres and more for open-plan extensions, with intermediate rafters.
At 51.48°N, Grays sees roughly 7h 50m of daylight in late December and 16h 38m in late June. A lantern faces the bright overhead sky all year, so it brings in useful light even on the short, grey days.
- Lengths from about three to six metres
- Intermediate rafters carry the larger glass
- Fitting can be quoted on request
Delivery and fitting in Grays
We confirm the delivery cost and date for RM17 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 RM17 and quote a fixed price after seeing photos or surveying.
Delivery to RM17 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Large roof lantern prices for Grays
What large roof lanterns cost in common sizes (guide, inc VAT, supply only):
| Kerb size | Roof area | Guide price | Configure |
|---|---|---|---|
| 1500 × 3000 mm | 4.50 m² | £2,595–£2,995£2,162 ex VAT from | Configure |
| 2000 × 3000 mm | 6.00 m² | £3,195–£3,695£2,662 ex VAT from | Configure |
| 2000 × 4000 mm | 8.00 m² | £4,095–£4,795£3,412 ex VAT from | Configure |
| 3000 × 4000 mm | 12.00 m² | £5,695–£6,595£4,746 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 Grays
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.
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 Grays 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 Grays
Does a large lantern need structural calculations?
The roof structure around it usually does. Your engineer or building control body will want the lantern's weight and the opening size.
Do large lanterns overheat a room?
A large area of south-facing glass can make a room warm on sunny days. Solar-control glass, an opening vent and good background ventilation all help. Our guide on overheating explains the options.
How quickly can I get a roof lantern in Grays?
Stock sizes are typically ready in 5–10 working days, made-to-measure in 3–4 weeks, plus delivery. Your quote gives the date for RM17.
Can you fit a roof lantern in Grays?
We can quote for fitting where we have cover. Send your postcode and photos of the roof and kerb, and we will confirm before quoting.