Triple glazed roof lanterns in Redruth
We supply triple glazed roof lanterns to Redruth (TR15) and the rest of Cornwall: sized in millimetres to your upstand, priced up front and delivered on pallets. Fitting can be quoted separately if you need it.
Price a triple glazed roof lantern for Redruth
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Triple glazed roof lanterns for Redruth homes
Three panes for lower heat loss, a warmer inner surface and less noise.
On the shortest day Redruth gets about 8h 02m of daylight, with the sun only 16.3° above the horizon at noon. Light from the sky overhead is the brightest available in winter, which is exactly what a roof lantern collects.
- Quieter in heavy rain
- Three panes for lower heat loss
- Approximate weight shown before you order
Delivery and fitting in Redruth
Your quote includes delivery to Redruth at a confirmed price, usually to the kerbside or driveway on pallets.
Fitting in Redruth can be quoted on request by installers working under S&K, subject to cover for your postcode.
Delivery to TR15 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Triple glazed roof lantern prices for Redruth
What triple glazed roof lanterns cost in common sizes (guide, inc VAT, supply only):
| Kerb size | Roof area | Guide price | Configure |
|---|---|---|---|
| 1000 × 2000 mm | 2.00 m² | £2,095–£2,495£1,746 ex VAT from | Configure |
| 1500 × 2000 mm | 3.00 m² | £2,695–£3,195£2,246 ex VAT from | Configure |
| 1500 × 2500 mm | 3.75 m² | £3,095–£3,595£2,579 ex VAT from | Configure |
| 2000 × 3000 mm | 6.00 m² | £4,395–£5,095£3,662 ex VAT from | Configure |
Guide prices include VAT at 20%, supply only, aluminium with triple glazing in a stock colour. Your fixed price is confirmed in writing on your quote before you order.
Planning and building regulations for Redruth
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 Redruth 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 Redruth
Will triple glazing stop rain noise?
It reduces it noticeably. Laminated glass reduces it further.
Can I have triple glazing with solar control?
Yes. Triple units usually include a solar-control or neutral coating.
Who checks building regulations for a lantern in Redruth?
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 I need planning permission for a roof lantern in Redruth?
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.