Flat rooflights in Bishop's Stortford
We supply flat rooflights to Bishop's Stortford (CM23) and the rest of Hertfordshire: sized in millimetres to your upstand, priced up front and delivered on pallets. Fitting can be quoted separately if you need it.
Price a flat rooflight for Bishop's Stortford
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Flat rooflights for Bishop's Stortford homes
A single near-flat pane on an upstand: minimal, low and discreet.
At 51.87°N, Bishop's Stortford sees roughly 7h 46m of daylight in late December and 16h 43m in late June. A lantern faces the bright overhead sky all year, so it brings in useful light even on the short, grey days.
- Usually cheaper than a lantern
- Very low profile from outside
- Sized to your upstand
Delivery and fitting in Bishop's Stortford
We confirm the delivery cost and date for CM23 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 Bishop's Stortford before quoting.
Delivery to CM23 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Flat rooflight prices for Bishop's Stortford
What flat rooflights cost in common sizes (guide, inc 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 |
| 1500 × 1500 mm | 2.25 m² | £895–£1,095£746 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 Bishop's Stortford
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.
Planning-wise, a lantern on a new extension is judged as part of that extension, while one added to an existing roof can fall outside permitted development if it stands more than 150 mm proud.
Building regulations in Bishop's Stortford 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 Bishop's Stortford
Can a flat rooflight open?
Some ranges offer electric opening versions. Ask for availability for your size.
Can I walk on a flat rooflight?
Only if it is a walk-on rooflight designed for foot traffic. Standard rooflights are not designed to be walked on.
How quickly can I get a roof lantern in Bishop's Stortford?
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 CM23.
Who checks building regulations for a lantern in Bishop's Stortford?
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.