Triple glazed roof lanterns in St Albans
Buy triple glazed roof lanterns for homes in St Albans and across Hertfordshire. Choose a standard size or have one made to your kerb, see a guide price straight away, then get a fixed written quote with delivery to your AL1 address.
Price a triple glazed roof lantern for St Albans
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Triple glazed roof lanterns for St Albans homes
Three panes for lower heat loss, a warmer inner surface and less noise.
At 51.75°N, St Albans sees roughly 7h 47m of daylight in late December and 16h 41m in late June. A lantern faces the bright overhead sky all year, so it brings in useful light even on the short, grey days.
- Combines with solar-control coatings
- Warmer inner pane, less condensation risk
- Three panes for lower heat loss
Delivery and fitting in St Albans
Your quote includes delivery to St Albans at a confirmed price, usually to the kerbside or driveway on pallets.
Fitting in St Albans can be quoted on request by installers working under S&K, subject to cover for your postcode.
Delivery to AL1 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Triple glazed roof lantern prices for St Albans
Guide prices for common triple glazed roof lantern sizes, including VAT, supply only:
| Kerb size | Roof area | Guide price | 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 |
| 2000 × 4000 mm | 8.00 m² | £5,595–£6,495£4,662 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 St Albans
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.
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 St Albans 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 St Albans
Can I have triple glazing with solar control?
Yes. Triple units usually include a solar-control or neutral coating.
Do I need triple glazing to meet building regulations?
Not usually. Well-specified double glazed lanterns generally meet the limiting values for rooflights. Triple glazing is an upgrade, not normally a requirement. Your building control body can confirm for your project.
Who checks building regulations for a lantern in St Albans?
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 you deliver roof lanterns to St Albans?
Yes. Delivery to St Albans (AL1) is quoted for your exact postcode and confirmed in writing on your quote, together with the lead time.