Square roof lanterns in Chalfont St Peter
Buy square roof lanterns for homes in Chalfont St Peter and across Buckinghamshire. 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 SL9 address.
Price a square roof lantern for Chalfont St Peter
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Square roof lanterns for Chalfont St Peter homes
Four triangular panes meeting at a point: a pyramid lantern for square openings.
At 51.61°N, Chalfont St Peter sees roughly 7h 48m of daylight in late December and 16h 40m in late June. A lantern faces the bright overhead sky all year, so it brings in useful light even on the short, grey days.
- Strong central focal point from below
- No ridge, a neat apex cap instead
- Four triangular panes to a single apex
Delivery and fitting in Chalfont St Peter
Your quote includes delivery to Chalfont St Peter at a confirmed price, usually to the kerbside or driveway on pallets.
Need it fitted? Send your postcode and we will confirm whether we have fitting cover in Chalfont St Peter before quoting.
Delivery to SL9 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Square roof lantern prices for Chalfont St Peter
Typical guide prices for square roof lanterns, supply only and including VAT:
| Kerb size | Roof area | Guide price | Configure |
|---|---|---|---|
| 1000 × 1000 mm | 1.00 m² | £1,095–£1,295£912 ex VAT from | Configure |
| 1200 × 1200 mm | 1.44 m² | £1,295–£1,495£1,079 ex VAT from | Configure |
| 1500 × 1500 mm | 2.25 m² | £1,595–£1,895£1,329 ex VAT from | Configure |
| 2000 × 2000 mm | 4.00 m² | £2,395–£2,795£1,996 ex VAT from | Configure |
Guide prices include VAT at 20%, supply only, aluminium with self-cleaning double glazing in a stock colour. Your fixed price is confirmed in writing on your quote before you order.
Planning and building regulations for Chalfont St Peter
For homes in England, a new or replacement rooflight should achieve a U-value of 2.2 W/m²K or better in the horizontal position, under Approved Document L.
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 Chalfont St Peter 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 Chalfont St Peter
Is a pyramid lantern more expensive than a rectangular one?
Per square metre it can cost slightly more, because every pane is a triangle and the apex needs a special joint. The difference is usually small next to the effect of size and glass choice.
What is the largest square lantern?
Ranges differ. Many go to around 3 m square, with extra hip bars on larger sizes. Tell us your kerb size and we will confirm which ranges can make it.
Who checks building regulations for a lantern in Chalfont St Peter?
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 Chalfont St Peter?
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.