Roof lantern upstands in Darlington
We quote roof lantern upstands for Darlington and the rest of County Durham, matched to the exact size of your lantern, with the price confirmed in writing before you order.
Price a roof lantern upstand for Darlington
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Lantern upstands for Darlington projects
Insulated upstands and kerbs that raise the lantern above the roof finish.
Winter daylight in Darlington lasts about 7h 16m, against 17h 16m 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
- Roof membrane dressed up the outside
- Prefabricated insulated or site-built timber
Delivery and fitting in Darlington
Delivery to DL3 is quoted for your postcode and arrives on pallets at the kerbside, so plan enough people to unload.
If you would like us to fit it, we will check fitting cover for DL3 and quote a fixed price after seeing photos or surveying.
Delivery to DL3 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Roof lantern upstands guide prices for Darlington
Guide prices for an insulated upstand on its own, by lantern size, including VAT:
| Lantern kerb size | Perimeter | Insulated upstand, guide |
|---|---|---|
| 1200 × 1200 mm | 4.8 m | £245£204 ex VAT |
| 1000 × 1500 mm | 5.0 m | £245£204 ex VAT |
| 1500 × 2500 mm | 8.0 m | £345£288 ex VAT |
| 1500 × 3000 mm | 9.0 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 Darlington
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 Darlington 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 Darlington
Do I need an upstand for a roof lantern?
Yes. Lanterns are designed to sit on an upstand, never directly on the roof deck.
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 Darlington?
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 you deliver roof lanterns to Darlington?
Yes. Delivery to Darlington (DL3) is quoted for your exact postcode and confirmed in writing on your quote, together with the lead time.