Replacement roof lanterns in Trowbridge
From a small lantern over a hallway to a long one above a kitchen island, we quote replacement roof lanterns for Trowbridge homes to the exact kerb size, with glass and colour choices set out clearly before you commit.
Price a replacement roof lantern for Trowbridge
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Replacement roof lanterns for Trowbridge homes
Swap a tired, leaking or polycarbonate lantern for modern double glazing.
At 51.32°N, Trowbridge sees roughly 7h 51m of daylight in late December and 16h 36m in late June. A lantern faces the bright overhead sky all year, so it brings in useful light even on the short, grey days.
- Supply only or a fitting quote
- Often a one-day swap on a sound kerb
- Warmer, quieter, brighter
Delivery and fitting in Trowbridge
We confirm the delivery cost and date for BA14 on your quote. Lanterns arrive palletised, with the glass packed separately.
Fitting in Trowbridge can be quoted on request by installers working under S&K, subject to cover for your postcode.
Delivery to BA14 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Replacement roof lantern prices for Trowbridge
What replacement roof lanterns cost in common sizes (guide, inc VAT, supply only):
| Kerb size | Roof area | Guide price | Configure |
|---|---|---|---|
| 1000 × 1500 mm | 1.50 m² | £1,295–£1,495£1,079 ex VAT from | Configure |
| 1000 × 2000 mm | 2.00 m² | £1,495–£1,795£1,246 ex VAT from | Configure |
| 2000 × 3000 mm | 6.00 m² | £3,195–£3,695£2,662 ex VAT from | Configure |
| 2000 × 4000 mm | 8.00 m² | £4,095–£4,795£3,412 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 Trowbridge
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.
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 Trowbridge 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 Trowbridge
How long does replacement take on site?
For a like-for-like swap on a sound kerb, often a day. Kerb or roof repairs add time.
Can I replace polycarbonate panels with glass?
Usually not in the old frame: glass is much heavier than polycarbonate and the frame was not designed for it. Replacing the whole lantern is the safer route.
Who checks building regulations for a lantern in Trowbridge?
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 Trowbridge?
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.