Roof lantern upstands in Sunbury-on-Thames
Need a roof lantern upstand in Sunbury-on-Thames? Send your postcode and lantern size and we will quote a fixed price in writing, with delivery to TW16 or fitting where we have cover.
Price a roof lantern upstand for Sunbury-on-Thames
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Lantern upstands for Sunbury-on-Thames projects
Insulated upstands and kerbs that raise the lantern above the roof finish.
At 51.4°N, Sunbury-on-Thames sees roughly 7h 51m of daylight in late December and 16h 37m in late June. A lantern faces the bright overhead sky all year, so it brings in useful light even on the short, grey days.
- Ordered with your lantern if you wish
- Prefabricated insulated or site-built timber
- Level and square for a correct fit
Delivery and fitting in Sunbury-on-Thames
We confirm the delivery cost and date for TW16 on your quote. Lanterns arrive palletised, with the glass packed separately.
Need it fitted? Send your postcode and we will confirm whether we have fitting cover in Sunbury-on-Thames before quoting.
Delivery to TW16 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Roof lantern upstands guide prices for Sunbury-on-Thames
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 Sunbury-on-Thames
England's Approved Document L caps the U-value of new or replacement rooflights in existing homes at 2.2 W/m²K, calculated with the glass horizontal.
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 Sunbury-on-Thames 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 Sunbury-on-Thames
Who makes the upstand weatherproof?
Your roofer, by dressing the roof membrane up the outside of the upstand. The lantern then sits over it.
Do I need an upstand for a roof lantern?
Yes. Lanterns are designed to sit on an upstand, never directly on the roof deck.
Do I need planning permission for a roof lantern in Sunbury-on-Thames?
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.
How quickly can I get a roof lantern in Sunbury-on-Thames?
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 TW16.