How much does it cost to enclose a terrace with glass curtains?

There is no single price: it depends on the linear metres and height, the system chosen (frameless curtain or framed glazing), the type of glass, whether floor and ceiling need levelling and the access for installation. We measure your terrace and prepare a personalised, no-obligation quote.

Do I need community approval to enclose my balcony?

Almost always yes, because the enclosure affects the facade. Many communities require a uniform model, colour and layout, and a minor works licence or responsible declaration is usually needed at the council. It pays to check the statutes before installing; we verify the requirements and handle the paperwork.

Do glass curtains stand up to the levante wind?

Yes. Toughened-glass systems are designed and anchored to withstand the usual coastal wind, and they cut gusts, dust and salt very effectively. The key is correct sizing and fixing for your terrace exposure, which we assess during the visit.

Do they insulate against the cold like a normal window?

Frameless glass curtains stop the wind and create an air gap that improves comfort, but they do not insulate as much as framed aluminium glazing with a thermal break. If you want to use the terrace as a full room in winter, we recommend the higher-insulation system.

Is maintenance heavy for glass near the sea?

No. A regular clean with water and a non-abrasive product plus an occasional check of the bottom tracks for smooth sliding is enough. Toughened glass and anti-corrosion fittings cope well with the Costa Blanca salt air, so maintenance is straightforward.

Updated 2026-07-19 · by Equipo Técnico

Glass curtains: enclosing a terrace guide 2026

Enclosing a terrace or balcony with frameless glass curtains lets you use that space all year, sheltered from the levante wind, dust and salt, without giving up the views or the light. Because the panels fold away completely, in summer you get your open terrace back. The decision depends on the type of terrace, its exposure to wind, and your community and council rules. The most useful step is a personalised, no-obligation quote.

On the Costa Blanca the terrace is one of the most prized parts of a home, yet the levante wind, the salt air and cool winter evenings leave it unused for much of the year. Glass curtains (panels of toughened glass with no vertical frames that slide and fold away) let you enclose the terrace to gain a bright glazed room, and open it up completely when the heat arrives. It is one of the upgrades that gets the most out of a flat or villa by the sea.

The benefits of enclosing a terrace with glass

Use the terrace all year, sheltered from wind, rain, dust and salt.
No vertical frames: clear views to the sea or surroundings and maximum light.
Folds fully against one side, giving back the open terrace in summer.
Cuts outside noise and creates an air gap that improves the home comfort.
Raises property value and makes it more appealing for holiday rental.

Types of glass curtains and enclosures

Not all enclosures are the same: the choice depends on how much you want to insulate and how you plan to use the terrace.

Frameless glass curtains: toughened glass that slides and folds, ideal for stopping wind and dust while keeping the views.
Aluminium-framed glazing (sliding or hinged window style): greater thermal and acoustic insulation for use as a living room.
Retractable roofs, bioclimatic pergolas or awnings combined with the glass to control sun and rain as well.
Glazing with a thermal break and solar-control glass when maximum comfort is the goal.

Permits and community rules on the coast

Enclosing a terrace or balcony affects the facade, so it almost always needs the approval of the owners community and, in many Alicante municipalities, a minor works licence or responsible declaration. Many communities require the enclosure to follow a uniform model, colour and layout across the whole facade. Before installing it pays to check the community statutes and local planning rules; getting it wrong can force removal of the enclosure. We verify the requirements and handle the paperwork for you, which is especially useful for owners living abroad.

Maintaining glass near the sea

Salt and dust on the Costa Blanca show on any glass near the sea, but glass curtains are easy to look after. A regular clean with water and a non-abrasive product, plus an occasional check of the bottom tracks and brushes to keep the sliding smooth, is all it takes. Toughened glass is very robust, and stainless-steel or anti-corrosion-treated fittings cope well with the marine air. Simple maintenance greatly extends the life of the enclosure.

Added value for holiday homes

For an apartment or villa let out to holidaymakers, enclosing the terrace effectively adds usable floor space for more months of the year: a sheltered outdoor living or dining area that works just as well in spring, on a windy day or a cool winter evening. That extra comfort improves reviews and lets you extend the season, boosting returns. It also raises the property value for a future sale.

What enclosing a terrace costs: the factors

The price of enclosing a terrace with glass is not a fixed figure but depends on several factors: the linear metres and the height to glaze, the type of system (frameless glass curtain or framed glazing with a thermal break), the type and thickness of the glass, any need to strengthen or level the floor and ceiling, how accessible the terrace is for installation, and whether it is combined with a retractable roof, pergola or awning. That is why the sensible move is to measure your specific terrace and request a personalised, no-obligation quote.

Want to enjoy your terrace all year? We visit the property, take measurements, check your community rules and prepare a personalised, no-obligation quote with the enclosure that best suits your terrace and facade. For overseas owners we coordinate remotely with photo and video updates at each stage.