Flat rooflights in Chesterfield
Planning an extension in Chesterfield? A flat rooflight is one of the quickest ways to bring daylight into the middle of the room. Use the configurator for a guide price, then send your kerb size for a fixed quote and delivery date.
Price a flat rooflight for Chesterfield
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Flat rooflights for Chesterfield homes
A single near-flat pane on an upstand: minimal, low and discreet.
In midsummer the noon sun stands about 60.2° high over Chesterfield, so roof glazing gets the full strength of it. That is why solar-control glass is worth considering on larger lanterns here.
- Minimal, frameless-looking from inside
- Usually cheaper than a lantern
- Single glazed unit with a slight fall
Delivery and fitting in Chesterfield
We confirm the delivery cost and date for S40 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 Chesterfield before quoting.
Delivery to S40 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Flat rooflight prices for Chesterfield
Guide prices for common flat rooflight sizes, including VAT, supply only:
| Kerb size | Roof area | Guide price | Configure |
|---|---|---|---|
| 1000 × 1000 mm | 1.00 m² | £595–£695£496 ex VAT from | Configure |
| 1200 × 1200 mm | 1.44 m² | £695–£845£579 ex VAT from | Configure |
| 1000 × 1500 mm | 1.50 m² | £695–£845£579 ex VAT from | Configure |
| 1000 × 2000 mm | 2.00 m² | £845–£995£704 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 Chesterfield
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.
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 Chesterfield 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 Chesterfield
Are flat rooflights cheaper than lanterns?
Usually, size for size. They use one glass unit and a simple frame.
Do flat rooflights leak?
They should not, provided they are installed on a properly flashed upstand with the right fall and the seals are maintained.
Do I need planning permission for a roof lantern in Chesterfield?
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.
Is it worth having solar-control glass in Chesterfield?
With the midsummer sun about 60.2° high at noon, roof glass in Chesterfield gets strong summer sun. Solar control is recommended for large or south-facing lanterns.