Roof lantern upstands in St Helens
For roof lantern upstands in St Helens, start with the guide prices on this page, then send photos and measurements for a fixed written quote covering WA10.
Price a roof lantern upstand for St Helens
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Lantern upstands for St Helens projects
Insulated upstands and kerbs that raise the lantern above the roof finish.
At 53.45°N, St Helens sees roughly 7h 29m of daylight in late December and 17h 02m in late June. A lantern faces the bright overhead sky all year, so it brings in useful light even on the short, grey days.
- Ordered with your lantern if you wish
- Prefabricated insulated or site-built timber
- Made to match the lantern's external size
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.
Fitting in St Helens can be quoted on request by installers working under S&K, subject to cover for your postcode.
Delivery to WA10 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Roof lantern upstands guide prices for St Helens
Guide prices for an insulated upstand on its own, by lantern size, including VAT:
| Lantern kerb size | Perimeter | Insulated upstand, guide |
|---|---|---|
| 1000 × 1500 mm | 5.0 m | £245£204 ex VAT |
| 1000 × 2000 mm | 6.0 m | £295£246 ex VAT |
| 1000 × 2500 mm | 7.0 m | £295£246 ex VAT |
| 1000 × 3000 mm | 8.0 m | £345£288 ex VAT |
Guide prices include VAT at 20%, upstand only, supply only. Upstands are made to match the lantern's external size; your fixed price is confirmed in writing 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.
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 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 order a lantern before the upstand is built?
Yes, if you build the upstand to the lantern's stated external size. Many people order the lantern and upstand together so they match.
Do I need an upstand for a roof lantern?
Yes. Lanterns are designed to sit on an upstand, never directly on the roof deck.
Is it worth having solar-control glass in St Helens?
With the midsummer sun about 60.0° high at noon, roof glass in St Helens gets strong summer sun. Solar control is recommended for large or south-facing lanterns.
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.