Replacement roof lanterns in Dagenham
We supply replacement roof lanterns to Dagenham (RM10) and the rest of Greater London: sized in millimetres to your upstand, priced up front and delivered on pallets. Fitting can be quoted separately if you need it.
Price a replacement roof lantern for Dagenham
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Replacement roof lanterns for Dagenham homes
Swap a tired, leaking or polycarbonate lantern for modern double glazing.
Winter daylight in Dagenham lasts about 7h 49m, against 16h 39m in midsummer. Glass in the roof makes the most of the short days, and the right glass keeps the long ones comfortable.
- Reuse the kerb if sound and to size
- Warmer, quieter, brighter
- Replace old polycarbonate with glass
Delivery and fitting in Dagenham
We confirm the delivery cost and date for RM10 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 Dagenham before quoting.
Delivery to RM10 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Replacement roof lantern prices for Dagenham
Typical guide prices for replacement roof lanterns, supply only and including VAT:
| 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 |
| 1500 × 2000 mm | 3.00 m² | £1,995–£2,295£1,662 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 Dagenham
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 Dagenham 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 Dagenham
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.
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.
Is it worth having solar-control glass in Dagenham?
With the midsummer sun about 61.9° high at noon, roof glass in Dagenham gets strong summer sun. Solar control is recommended for large or south-facing lanterns.
Can you fit a roof lantern in Dagenham?
We can quote for fitting where we have cover. Send your postcode and photos of the roof and kerb, and we will confirm before quoting.