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Guide · VentanaCosta

Glass curtains: the real price per square metre

Updated: August 2026 · 4-6 minute read

The price of glass curtains depends on the glass thickness (10 mm), the height, the hardware and the complexity of the opening (straight or curved). We confirm it with a free technical visit.

A 4-linear-metre balcony at 2.20 m high comes to roughly turnkey. Here is the detail so you can compare quotes properly.

Guide price table

What the quote must include

  • Toughened safety glass with polished edges (UNE-EN 12150).
  • Top and bottom tracks in anodised or lacquered aluminium.
  • Hardware, rollers and a key lock.
  • Survey, made-to-measure manufacture, fitting and sealing.
  • VAT and a written guarantee (10 years on glass and hardware).

Beware the teaser price

A square metre advertised at usually excludes fitting, sealing, VAT or the 10 mm glass required at height. Always ask for a turnkey fixed price and compare like with like.

What would they cost on your terrace or balcony?

With the free laser survey we give you a written fixed price in 24 hours, no small print.

See glass curtains

Frequently asked questions

Do glass curtains insulate from cold?+

They create a gallery that stops wind and rain and softens the temperature, but they do not insulate like an enclosure with insulated glass. For a heated room, combine them with PVC or thermal-break aluminium sliding.

How long do they last?+

Quality toughened glass and hardware exceed 20-30 years with minimal care: cleaning plus a drop of lubricant on the rollers once a year.

Can they go on a windy penthouse?+

Yes, with 10 mm glass and reinforced hardware. In very exposed spots we validate the maximum height with a wind-load calculation.

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