Flat rooflights in Nailsea
We supply flat rooflights to Nailsea (BS48) and the rest of Somerset: 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 Nailsea
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Flat rooflights for Nailsea homes
A single near-flat pane on an upstand: minimal, low and discreet.
In midsummer the noon sun stands about 62.0° high over Nailsea, so roof glazing gets the full strength of it. That is why solar-control glass is worth considering on larger lanterns here.
- Sized to your upstand
- Usually cheaper than a lantern
- Minimal, frameless-looking from inside
Delivery and fitting in Nailsea
Your quote includes delivery to Nailsea 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 Nailsea before quoting.
Delivery to BS48 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Flat rooflight prices for Nailsea
What flat rooflights cost in common sizes (guide, inc VAT, supply only):
| Kerb size | Roof area | Guide price | 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 |
| 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 Nailsea
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 Nailsea 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 Nailsea
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.
Are flat rooflights cheaper than lanterns?
Usually, size for size. They use one glass unit and a simple frame.
Who checks building regulations for a lantern in Nailsea?
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 Nailsea?
Yes. Delivery to Nailsea (BS48) is quoted for your exact postcode and confirmed in writing on your quote, together with the lead time.