Bespoke roof lanterns in St Helens
Order bespoke roof lanterns for delivery to St Helens and nearby Prescot and Ashton-in-Makerfield. Every lantern is checked against your measurements before it is ordered, and the price on your quote is fixed for the specification shown; any extra work is agreed with you first.
Price a bespoke roof lantern for St Helens
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Bespoke roof lanterns for St Helens homes
Made to your exact kerb size, including long, gable-ended and L-shaped designs.
In midsummer the noon sun stands about 60.0° high over St Helens, so roof glazing gets the full strength of it. That is why solar-control glass is worth considering on larger lanterns here.
- Any RAL colour inside and out
- Gable-ended and L-shaped designs on request
- Approval drawing before manufacture
Delivery and fitting in St Helens
Delivery to WA10 is quoted for your postcode and arrives on pallets at the kerbside, so plan enough people to unload.
If you would like us to fit it, we will check fitting cover for WA10 and quote a fixed price after seeing photos or surveying.
Delivery to WA10 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Bespoke roof lantern prices for St Helens
What bespoke 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 St Helens
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.
On a permitted development extension the lantern counts towards the extension's height; on an existing roof, a rooflight projecting more than 150 mm may need planning permission.
Building regulations in St Helens 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 St Helens
Can I return a bespoke lantern?
No. Goods made to your specification are excluded from the 14-day cancellation right under the Consumer Contracts Regulations. Your other legal rights, for example if the lantern is faulty, are not affected.
How accurate do my measurements need to be?
Accurate to the millimetre on the outside of the kerb, measured at several points. Kerbs are rarely perfectly square, so measure both diagonals too. Our measuring guide shows how.
Who checks building regulations for a lantern in St Helens?
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.
Do you deliver roof lanterns to St Helens?
Yes. Delivery to St Helens (WA10) is quoted for your exact postcode and confirmed in writing on your quote, together with the lead time.