Opening roof lanterns in Castlereagh
Whether your Castlereagh extension is still on paper or the roof is already on, we can price an opening roof lantern to suit it. Standard sizes cost less and arrive sooner; made-to-measure fits a kerb that is already built.
Price an opening roof lantern for Castlereagh
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Opening roof lanterns for Castlereagh homes
Electric opening vents to let warm air out at the highest point of the room.
At 54.57°N, Castlereagh sees roughly 7h 15m of daylight in late December and 17h 16m in late June. A lantern faces the bright overhead sky all year, so it brings in useful light even on the short, grey days.
- Rain sensor closes it automatically
- One or two vents depending on size
- Switch or remote control
Delivery and fitting in Castlereagh
We confirm the delivery cost and date for BT5 on your quote. Lanterns arrive palletised, with the glass packed separately.
If you would like us to fit it, we will check fitting cover for BT5 and quote a fixed price after seeing photos or surveying.
Delivery to Northern Ireland is by arrangement: we confirm the carrier, any sea-freight charge and the date on your quote before you order.
Opening roof lantern prices for Castlereagh
Guide prices for common opening roof lantern sizes, including VAT, supply only:
| Kerb size | Roof area | Guide price | Configure |
|---|---|---|---|
| 1000 × 1500 mm | 1.50 m² | £1,990–£2,190£1,658 ex VAT from | Configure |
| 1000 × 2000 mm | 2.00 m² | £2,190–£2,490£1,825 ex VAT from | Configure |
| 1500 × 2000 mm | 3.00 m² | £2,690–£2,990£2,242 ex VAT from | Configure |
| 1500 × 2500 mm | 3.75 m² | £2,990–£3,390£2,492 ex VAT from | Configure |
Guide prices include VAT at 20%, supply only, aluminium with self-cleaning double glazing in a stock colour, including one electric vent. Your fixed price is confirmed in writing on your quote before you order.
Planning and building regulations for Castlereagh
Energy standards for lanterns in Northern Ireland come from the Building Regulations (NI) 2012 and Technical Booklet F1.
Check Northern Ireland's permitted development rules with your district council, especially for listed buildings and conservation areas.
Building regulations in Castlereagh are checked by your district council's building control service. Replacement and new rooflights are controlled work in most cases. Your council's building control service will confirm whether an application is needed.
Sources: Building Regulations, Department of Finance NI · Planning permission: when to apply, nidirect
Questions from Castlereagh
Can I have a manual opening vent?
Manual vents are rare on lanterns because they are out of reach. Electric operation is standard.
Can a vent be added later?
Usually not to an existing fixed lantern. Decide before ordering.
How quickly can I get a roof lantern in Castlereagh?
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 BT5.
Do I need planning permission for a roof lantern in Castlereagh?
Often not, but it depends on the roof, the property and whether it is listed or in a conservation area. Check with your district council before ordering.