Roof lantern upstands in Ampthill
We quote roof lantern upstands for Ampthill and the rest of Bedfordshire, matched to the exact size of your lantern, with the price confirmed in writing before you order.
Price a roof lantern upstand for Ampthill
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Lantern upstands for Ampthill projects
Insulated upstands and kerbs that raise the lantern above the roof finish.
In midsummer the noon sun stands about 61.4° high over Ampthill, so roof glazing gets the full strength of it. That is why solar-control glass is worth considering on larger lanterns here.
- Made to match the lantern's external size
- Ordered with your lantern if you wish
- Lifts the lantern clear of the roof finish
Delivery and fitting in Ampthill
We confirm the delivery cost and date for MK45 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 MK45 and quote a fixed price after seeing photos or surveying.
Delivery to MK45 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Roof lantern upstands guide prices for Ampthill
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 |
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 Ampthill
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 Ampthill 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 Ampthill
Who makes the upstand weatherproof?
Your roofer, by dressing the roof membrane up the outside of the upstand. The lantern then sits over it.
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 Ampthill?
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.
Is it worth having solar-control glass in Ampthill?
With the midsummer sun about 61.4° high at noon, roof glass in Ampthill gets strong summer sun. Solar control is recommended for large or south-facing lanterns.