Roof lantern upstands in South Glamorgan
Buy roof lantern upstands for homes and building projects anywhere in South Glamorgan. See guide prices below, then get a fixed written quote for your size, glass and colours.
Get a price in South Glamorgan
Send your postcode and kerb size for a fixed written quote.
Choosing roof lantern upstands in South Glamorgan
Insulated upstands and kerbs that raise the lantern above the roof finish.
Across South Glamorgan, the shortest day brings around 7h 50m of daylight and the midsummer sun reaches about 62.0° at noon. A lantern collects light from the bright overhead sky all year, and the right glass keeps the long summer days comfortable.
- Made to match the lantern's external size
- Prefabricated insulated or site-built timber
- Lifts the lantern clear of the roof finish
- Ordered with your lantern if you wish
Delivery and fitting in South Glamorgan
Delivery to mainland addresses here is quoted for your postcode and confirmed in writing before you order.
Fitting can be quoted where we have cover; send your postcode and photos of the roof and kerb and we will confirm before quoting.
Roof lantern upstands guide prices
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 |
| 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 |
| 1500 × 1500 mm | 6.0 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 in South Glamorgan
In Wales, the Welsh Government's own Approved Document L applies, with limiting values that are not the same as England's.
Check the Welsh permitted development rules with your council before ordering, particularly in conservation areas.
Building regulations are checked by your local authority building control team. Replacing a rooflight in an existing home is building work in Wales too. A competent person scheme installer can self-certify; otherwise building control should be notified.
Sources: Approved Documents (Wales), Planning Portal · Planning permission, GOV.WALES
Roof lantern upstands in South Glamorgan: questions
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 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 South Glamorgan?
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 South Glamorgan.