Roof lantern upstands in Portslade
For roof lantern upstands in Portslade, start with the guide prices on this page, then send photos and measurements for a fixed written quote covering BN41.
Price a roof lantern upstand for Portslade
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Lantern upstands for Portslade projects
Insulated upstands and kerbs that raise the lantern above the roof finish.
At 50.84°N, Portslade sees roughly 7h 56m of daylight in late December and 16h 31m in late June. A lantern faces the bright overhead sky all year, so it brings in useful light even on the short, grey days.
- Lifts the lantern clear of the roof finish
- Made to match the lantern's external size
- Ordered with your lantern if you wish
Delivery and fitting in Portslade
We confirm the delivery cost and date for BN41 on your quote. Lanterns arrive palletised, with the glass packed separately.
Fitting in Portslade can be quoted on request by installers working under S&K, subject to cover for your postcode.
Delivery to BN41 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Roof lantern upstands guide prices for Portslade
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 Portslade
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 Portslade 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 Portslade
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.
What height should my upstand be?
High enough to keep water away from the lantern seal, commonly at least 150 mm above the finished roof surface. Follow the instructions for your chosen range.
Who checks building regulations for a lantern in Portslade?
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.
Can you fit a roof lantern in Portslade?
We can quote for fitting where we have cover. Send your postcode and photos of the roof and kerb, and we will confirm before quoting.