Roof lantern upstands in Blackheath
Need a roof lantern upstand in Blackheath? Send your postcode and lantern size and we will quote a fixed price in writing, with delivery to SE3 or fitting where we have cover.
Price a roof lantern upstand for Blackheath
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Lantern upstands for Blackheath projects
Insulated upstands and kerbs that raise the lantern above the roof finish.
Winter daylight in Blackheath lasts about 7h 50m, against 16h 38m in midsummer. Glass in the roof makes the most of the short days, and the right glass keeps the long ones comfortable.
- Made to match the lantern's external size
- Ordered with your lantern if you wish
- Lifts the lantern clear of the roof finish
Delivery and fitting in Blackheath
We confirm the delivery cost and date for SE3 on your quote. Lanterns arrive palletised, with the glass packed separately.
Fitting in Blackheath can be quoted on request by installers working under S&K, subject to cover for your postcode.
Delivery to SE3 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Roof lantern upstands guide prices for Blackheath
Guide prices for an insulated upstand on its own, by lantern size, including VAT:
| Lantern kerb size | Perimeter | Insulated upstand, guide |
|---|---|---|
| 1500 × 1500 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 |
| 1500 × 2000 mm | 7.0 m | £295£246 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 Blackheath
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 Blackheath 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 Blackheath
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.
Who makes the upstand weatherproof?
Your roofer, by dressing the roof membrane up the outside of the upstand. The lantern then sits over it.
How quickly can I get a roof lantern in Blackheath?
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 SE3.
Do I need planning permission for a roof lantern in Blackheath?
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.