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BT5 · County Down

Roof lantern upstands in Castlereagh

For roof lantern upstands in Castlereagh, start with the guide prices on this page, then send photos and measurements for a fixed written quote covering BT5.

Postcode districtBT5
AreaCounty Down
Shortest-day daylight7h 15m
Midsummer noon sun58.9°

Price a roof lantern upstand for Castlereagh

Postcode and kerb size first, then your details. We reply with a fixed written quote.

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Lantern upstands for Castlereagh projects

Insulated upstands and kerbs that raise the lantern above the roof finish.

In midsummer the noon sun stands about 58.9° high over Castlereagh, so roof glazing gets the full strength of it. That is why solar-control glass is worth considering on larger lanterns here.

  • Lifts the lantern clear of the roof finish
  • Ordered with your lantern if you wish
  • Prefabricated insulated or site-built timber

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.

Roof lantern upstands guide prices for Castlereagh

Guide prices for an insulated upstand on its own, by lantern size, including VAT:

Lantern kerb sizePerimeterInsulated upstand, guide
1000 × 2000 mm6.0 m£295£246 ex VAT
1500 × 1500 mm6.0 m£295£246 ex VAT
1000 × 2500 mm7.0 m£295£246 ex VAT
1000 × 3000 mm8.0 m£345£288 ex VAT

Guide prices include VAT at 20%, upstand only, supply only. Upstands are made to match the lantern's external size; your fixed price is confirmed in writing 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

Do I need an upstand for a roof lantern?

Yes. Lanterns are designed to sit on an upstand, never directly on the roof deck.

What height should my upstand be?

High enough to keep water away from the lantern seal, commonly at least 150 mm above the finished roof surface. Follow the instructions for your chosen range.

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.

Can you fit a roof lantern in Castlereagh?

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.

Fixed price in writing

Know the price before you order.

Configure your lantern for a guide price, then get a fixed written quote with delivery to your postcode.

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