Roof lantern upstands in Rickmansworth
We quote roof lantern upstands for Rickmansworth and the rest of Hertfordshire, matched to the exact size of your lantern, with the price confirmed in writing before you order.
Price a roof lantern upstand for Rickmansworth
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Lantern upstands for Rickmansworth projects
Insulated upstands and kerbs that raise the lantern above the roof finish.
Winter daylight in Rickmansworth lasts about 7h 48m, against 16h 40m in midsummer. Glass in the roof makes the most of the short days, and the right glass keeps the long ones comfortable.
- Prefabricated insulated or site-built timber
- Made to match the lantern's external size
- Lifts the lantern clear of the roof finish
Delivery and fitting in Rickmansworth
We confirm the delivery cost and date for WD3 on your quote. Lanterns arrive palletised, with the glass packed separately.
If you would like us to fit it, we will check fitting cover for WD3 and quote a fixed price after seeing photos or surveying.
Delivery to WD3 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Roof lantern upstands guide prices for Rickmansworth
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 Rickmansworth
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 Rickmansworth 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 Rickmansworth
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.
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 checks building regulations for a lantern in Rickmansworth?
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 Rickmansworth?
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.