20 octobre 2026
48 Hours, Hundreds of Doors: Barcelona Through Architecture
48h Open House Barcelona comes in
Barcelona is a city best known for its architecture, yet how often do we look beyond the façade? We admire Gaudí’s fantastical rooftops, wander through the Eixample’s elegant streets and photograph Modernista balconies. But some of the city’s most fascinating stories remain hidden behind doors we rarely get the chance to open.
That is where 48h Open House Barcelona comes in. On October 24 and 25, the annual architecture festival returns for its 17th edition, inviting visitors to explore 217 buildings across six municipalities, with 155 of them in Barcelona itself. From historic landmarks to contemporary spaces, the programme offers a rare opportunity to experience the city from the inside. And most visits are free.
Life Without Architecture
This year’s theme, Life Without Architecture, poses a deceptively simple question: what would Barcelona look like if architecture disappeared? Not just its iconic monuments, but the schools where children learn, the buildings where we work, the sports centres where neighbours meet and the homes that shape our everyday rituals.
The idea feels particularly relevant in a city where architecture is inseparable from identity. Yet the festival encourages us to look beyond the familiar names and postcard views, discovering the creativity and history embedded in ordinary urban spaces.
Numbers
The 2026 programme includes 217 buildings and 224 activities, with 63 spaces participating for the first time. Among the highlights are the historic Llotja de Mar, the striking Hotel Arts, the recently renovated Edifici Estel and the Palau del Marquès d’Alfarràs, tucked away in the gardens of the Laberint d’Horta. Each offers a different perspective on how Barcelona has evolved — and how its architecture continues to adapt.
The pleasure of getting lost
Part of the festival’s appeal lies in the freedom to explore. You can plan a route around a particular architectural style, follow a neighbourhood trail or simply choose a building that catches your eye. Volunteers and architecture professionals help bring each space to life, revealing details that might otherwise go unnoticed.
And there is something especially satisfying about entering a building you have passed dozens of times without ever imagining what lies inside. For a weekend, the city becomes less familiar, more intimate and full of unexpected discoveries.
How to make the most of it
The festival takes place across Barcelona, Badalona, L’Hospitalet de Llobregat, Sant Joan Despí, Vilassar de Dalt and Sitges. More than 200 spaces can be visited without advance registration, although selected tours require booking. Check the official programme before heading out, and keep an eye on the live map to avoid the longest queues.
Our tip: resist the temptation to visit only the famous buildings. Choose a neighbourhood, leave room for spontaneity and let curiosity lead the way. You may discover that the most memorable architectural experience is not the grandest monument, but a place you never knew existed.
Because sometimes, the best way to rediscover Barcelona is simply to open a door.
Price: Free for most visits
Programme: 48h Open House Barcelona
That is where 48h Open House Barcelona comes in. On October 24 and 25, the annual architecture festival returns for its 17th edition, inviting visitors to explore 217 buildings across six municipalities, with 155 of them in Barcelona itself. From historic landmarks to contemporary spaces, the programme offers a rare opportunity to experience the city from the inside. And most visits are free.
Life Without Architecture
This year’s theme, Life Without Architecture, poses a deceptively simple question: what would Barcelona look like if architecture disappeared? Not just its iconic monuments, but the schools where children learn, the buildings where we work, the sports centres where neighbours meet and the homes that shape our everyday rituals.
The idea feels particularly relevant in a city where architecture is inseparable from identity. Yet the festival encourages us to look beyond the familiar names and postcard views, discovering the creativity and history embedded in ordinary urban spaces.
Numbers
The 2026 programme includes 217 buildings and 224 activities, with 63 spaces participating for the first time. Among the highlights are the historic Llotja de Mar, the striking Hotel Arts, the recently renovated Edifici Estel and the Palau del Marquès d’Alfarràs, tucked away in the gardens of the Laberint d’Horta. Each offers a different perspective on how Barcelona has evolved — and how its architecture continues to adapt.
The pleasure of getting lost
Part of the festival’s appeal lies in the freedom to explore. You can plan a route around a particular architectural style, follow a neighbourhood trail or simply choose a building that catches your eye. Volunteers and architecture professionals help bring each space to life, revealing details that might otherwise go unnoticed.
And there is something especially satisfying about entering a building you have passed dozens of times without ever imagining what lies inside. For a weekend, the city becomes less familiar, more intimate and full of unexpected discoveries.
How to make the most of it
The festival takes place across Barcelona, Badalona, L’Hospitalet de Llobregat, Sant Joan Despí, Vilassar de Dalt and Sitges. More than 200 spaces can be visited without advance registration, although selected tours require booking. Check the official programme before heading out, and keep an eye on the live map to avoid the longest queues.
Our tip: resist the temptation to visit only the famous buildings. Choose a neighbourhood, leave room for spontaneity and let curiosity lead the way. You may discover that the most memorable architectural experience is not the grandest monument, but a place you never knew existed.
Because sometimes, the best way to rediscover Barcelona is simply to open a door.
Price: Free for most visits
Programme: 48h Open House Barcelona
