Barcelona approves Parc Central de Vallcarca: a 10,000 square metre green lung and climate infrastructure

Barcelona has now formally approved the creation of a sustainable public space designed to reclaim an area that has long been stuck in seemingly permanent works. The planned 10,000 square metre green lung is set to reshape the local scene, delivering striking ecological gains that reflect a genuinely modern model of climate infrastructure.

How will Parc Central de Vallcarca work?

The urban development will be built around the Vallcarca viaduct area, tying together key streets in the surrounding neighbourhood. Structural works are due to begin at the end of 2026, driving a much-needed public renewal programme led by the council and backed by a solid financial investment.

The aim is to bring an end to the neighbourhood’s long-running state of urban “temporariness”, replacing it with a welcoming space that is fully connected to its surroundings. To understand what the scheme involves on the ground, the key technical highlights are set out in the list below.

• Defined budget: Estimated investment is around €8.9 million for full delivery.
• Planned size: The new urban green area will cover roughly 10,000 square metres.
• Accessible route: A long pedestrian walkway will run through the site, passing directly beneath the local viaduct.

What are the project’s climate benefits?

The environmental approach is centred on reducing the intense urban heat experienced during increasingly long summer periods. A significant increase in trees will bring more thermal comfort and reassuring shade, substantially cutting the harsh effect created by hot asphalt across the traditional urban fabric.

A further critical element is rainwater management using innovative permeable surfaces. This design slows rapid run-off during downpours, holds on to essential moisture, and strengthens urban resilience in the face of the worrying global climate emergency.

How are the park’s areas laid out?

The plan splits the site into two distinct zones, each with clear purposes for residents. One part is geared towards everyday city life, with children’s play areas and squares suited to lively community activities outdoors, supporting excellent social comfort.

Naturalised terrace area

Overcoming the change in ground level

The park’s second main strand tackles the area’s pronounced natural slope in a smart way, using integrated ramps and stairways. This thoughtful link-up ensures full mobility, allowing visitors to move comfortably between the different raised platforms and enjoy the preserved views.

In addition, features placed on the higher sections significantly enrich day-to-day use for local people. To show how the terrain will be used to its fullest, the main facilities are outlined in the following detailed list of what this human-centred space will offer.

• A picnic area positioned on the highest part of the structures.
• A space of around 200 square metres dedicated to productive urban allotments.
• A street basketball court scheduled for completion in the coming weeks.

What are the investment and construction timeline?

The project’s delivery has been mapped out across four distinct phases to keep the workflow properly organised. The official budget comes to more than €8 million through a significant package of mixed funding, enabling the area’s long-term urban framework to be put in place.

The council’s plan sets out clear deadlines for the heavy construction work over the coming years. The key time targets and financial milestones approved by the municipal council are summarised in the points below, providing essential information from this official timetable.

• Start of the main works scheduled for the end of 2026.
• Estimated timeframe of 18 months to complete all park works.
• Full delivery of the infrastructure expected by mid-2028.

What other improvements will come with this transformation?

The area’s transformation will go beyond tree planting and landscaping on the terraces. The plan also includes the regeneration of important perimeter streets, upgrades to essential service networks, and a visible infrastructure modernisation across the affected residential neighbourhood.

Alongside the physical changes, the social programme includes parallel development of buildings for affordable housing in the area. The council has announced specific housing releases for accessible rental, ensuring the ecological development is matched by strong social inclusion within the valued local community.