It consists of three events throughout 2026, each focused on a different Barcelona neighbourhood. The aim is to showcase the architectural, social and urban heritage of areas less present in the city’s cultural circuit, promoting a more equitable and decentralised perspective.

Each Open Barri edition lasts fifteen days of activities (talks, workshops, debates, etc.) culminating in a weekend of open doors in emblematic buildings and spaces, following the 48h Open House Barcelona festival model.

In addition, in October, the 48h Open House Barcelona festival will be held in its usual format, opening buildings and spaces in Barcelona and six surrounding cities.

1. Winter Open Barri

Area: Nou Barris district

When: activities from 16 February to 1 March

Open doors: weekend of 28 February and 1 March

2. Spring Open Barri

Area: Sants‑Montjuïc district

When: activities from 13 to 26 April

Open doors: weekend of 25 and 26 April

3. Summer Open Barri

Area: Sarrià‑Sant Gervasi district

When: activities from 15 to 28 June

Open doors: weekend of 27 and 28 June

4. Open House Barcelona “Classic”

Area: citywide

Open doors: weekend of 24 and 25 October