Roof lantern upstands in Letchworth Garden City
Need a roof lantern upstand in Letchworth Garden City? Send your postcode and lantern size and we will quote a fixed price in writing, with delivery to SG6 or fitting where we have cover.
Price a roof lantern upstand for Letchworth Garden City
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Lantern upstands for Letchworth Garden City projects
Insulated upstands and kerbs that raise the lantern above the roof finish.
At 51.98°N, Letchworth Garden City sees roughly 7h 45m of daylight in late December and 16h 44m 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
- Lifts the lantern clear of the roof finish
Delivery and fitting in Letchworth Garden City
We confirm the delivery cost and date for SG6 on your quote. Lanterns arrive palletised, with the glass packed separately.
Need it fitted? Send your postcode and we will confirm whether we have fitting cover in Letchworth Garden City before quoting.
Delivery to SG6 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Roof lantern upstands guide prices for Letchworth Garden City
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 Letchworth Garden City
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 Letchworth Garden City 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 Letchworth Garden City
Do I need an upstand for a roof lantern?
Yes. Lanterns are designed to sit on an upstand, never directly on the roof deck.
Who makes the upstand weatherproof?
Your roofer, by dressing the roof membrane up the outside of the upstand. The lantern then sits over it.
Who checks building regulations for a lantern in Letchworth Garden City?
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 I need planning permission for a roof lantern in Letchworth Garden City?
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.