Plaça d' Ernest Lluch i Martin 5, Barcelona, Spain

Surface: from 395 m² to 6.343 m²

Rent: 16 - 22 €/m²/month

The Diagonal Zero Zero building changed its name to Diagonal One when it changed its ownership in 2021. It is a skyscraper with 24 floors above ground for office rental at d’Ernest Lluch i Martín Square 5, Barcelona. The headquarters of multinational corporations such as Telefónica Group (including its R&D&I centre), Ingram Micro and UbiSoft, are located in this building, as it state-of-the-art architecture attracts companies in the sector. The offices for rent in Diagonal One | Barcelona, Sant Martí, are a great option for your business.

Diagonal One is a building that does not go unnoticed because of its façade, which is made of glass and white aluminium designed to take advantage of natural light. The façade facing Llevant Square is triangular, but the building’s floor plan is shaped like a trapezoidal prism and its interior is made of concrete.

More advantages of the offices for rent in Diagonal One | Barcelona

This is a landmark that represents the most advanced architecture, in which innovative bioclimatic and energy-saving construction solutions designed by EMBA (Estudi Massip-Bosch Architects) have been used. It has a Class A Energy Certificate and has been awarded numerous prizes.

Located in the Sant Martí district, in the maritime area of Barcelona’s Diagonal Avenue, next to the Forum and the Museum of Natural Sciences of Barcelona, this emblematic building at d’Ernest Lluch i Martín Square 5 is very well connected by public and private transport.

Inside, we find open-plan work spaces, a large-capacity auditorium, a cafeteria area, a ticket office for collection or delivery of parcels and central areas with toilets and lifts, as well as parking for cars and motorbikes in the building. All this makes renting office space in d’Ernest Lluch i Martín Square 5 a safe choice for your company’s headquarters.

At Cushman & Wakefield we provide you with all the assistance you need to choose the right property for your business. If you are interested in renting an office in this area, please contact us for more information or to arrange a visit.


See Units table


  • BREEAM Certificate – Very Good
  • WELL Certificate – Gold
  • Wired Scored Certificate
  • Curtain Wall Glazing
  • Natural light
  • Open plan floors
  • Raised Floor
  • Drop Ceiling
  • Integrated lights
  • Air conditioning – Hot/Cold
  • Concierge
  • Parking In
  • Elevators
  • Goods lift
  • Designed by the architect Enric Massip Bosch with criteria of energy and bioclimatic use
  • Auditorium and cafeteria
Name Use Size
Availability Expenses of
Planta 17 Office 1,419.00 22.00 Immediate 5.90
Planta 12 Office 1,419.00 22.00 Immediate 5.90
Planta 7 implantada Office 395.00 21.00 Immediate 5.90
Planta 6 Office 1,336.00 19.00 Immediate 5.90
Planta 5 - Mod. 2 Office 627.50 19.00 Immediate 5.90
Planta 5 - Mod. 1 Office 627.50 19.00 Immediate 5.90
Planta 1 Implantada Office 519.00 16.00 Immediate 5.90


  • Metro : El Maresme | Fòrum – L4
  • Tram : Estación de Sant Adrià – Ciutadella / Vila Olímpica T4
  • Bus : 7, 136, B20, B23, H16, V31
  • Airport Distance : 20 min.
  • Access : Av. Diagonal / Ronda Litoral

Energy certificate