Roof lantern upstands in Coulsdon
Ordering a roof lantern upstand for a project in Coulsdon? Tell us the lantern size and roof details and we will confirm the price, lead time and how it reaches CR5.
Price a roof lantern upstand for Coulsdon
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Lantern upstands for Coulsdon projects
Insulated upstands and kerbs that raise the lantern above the roof finish.
On the shortest day Coulsdon gets about 7h 51m of daylight, with the sun only 15.2° above the horizon at noon. Light from the sky overhead is the brightest available in winter, which is exactly what a roof lantern collects.
- Prefabricated insulated or site-built timber
- Roof membrane dressed up the outside
- Ordered with your lantern if you wish
Delivery and fitting in Coulsdon
Delivery to CR5 is quoted for your postcode and arrives on pallets at the kerbside, so plan enough people to unload.
Need it fitted? Send your postcode and we will confirm whether we have fitting cover in Coulsdon before quoting.
Delivery to CR5 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Roof lantern upstands guide prices for Coulsdon
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 Coulsdon
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 Coulsdon 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 Coulsdon
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.
Is it worth having solar-control glass in Coulsdon?
With the midsummer sun about 62.1° high at noon, roof glass in Coulsdon gets strong summer sun. Solar control is recommended for large or south-facing lanterns.
How quickly can I get a roof lantern in Coulsdon?
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 CR5.