Rectangular roof lanterns in Runcorn
From a small lantern over a hallway to a long one above a kitchen island, we quote rectangular roof lanterns for Runcorn homes to the exact kerb size, with glass and colour choices set out clearly before you commit.
Price a rectangular roof lantern for Runcorn
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Rectangular roof lanterns for Runcorn homes
The classic double-hipped lantern: a ridge, four sloping sides and the most size choice.
On the shortest day Runcorn gets about 7h 30m of daylight, with the sun only 13.2° above the horizon at noon. Light from the sky overhead is the brightest available in winter, which is exactly what a roof lantern collects.
- Suits kitchen-diners and rear extensions
- Ridge along the long axis, four glazed slopes
- Intermediate rafters added on longer lengths
Delivery and fitting in Runcorn
We confirm the delivery cost and date for WA7 on your quote. Lanterns arrive palletised, with the glass packed separately.
Fitting in Runcorn can be quoted on request by installers working under S&K, subject to cover for your postcode.
Delivery to WA7 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Rectangular roof lantern prices for Runcorn
What rectangular roof lanterns cost in common sizes (guide, inc VAT, supply only):
| Kerb size | Roof area | Guide price | Configure |
|---|---|---|---|
| 1500 × 2000 mm | 3.00 m² | £1,995–£2,295£1,662 ex VAT from | Configure |
| 1500 × 2500 mm | 3.75 m² | £2,295–£2,695£1,912 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 |
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 Runcorn
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.
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 Runcorn 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 Runcorn
What is the most common rectangular roof lantern size?
Sizes of 1000 × 2000 mm and 1500 × 2500 mm are common standard sizes for kitchen and dining extensions, but the right size is the one that matches your kerb. If your kerb is not built yet, our sizes guide helps you pick a standard size first.
Which way should the ridge run?
The ridge runs along the longer side. On a square opening there is no ridge and the lantern becomes a pyramid.
How quickly can I get a roof lantern in Runcorn?
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 WA7.
Is it worth having solar-control glass in Runcorn?
With the midsummer sun about 60.1° high at noon, roof glass in Runcorn gets strong summer sun. Solar control is recommended for large or south-facing lanterns.