It serves as the studio's new permanent base, but there is also desk space that can be rented out to local companies for both long-term use and one-off events.
To provide pockets of privacy and quiet within the transitory workspace, the architects inserted a pair of enclosed meeting spaces.
Each metal-framed pod has a pitched roof, with opaque yellow chipboard walls and panels of transparent glass that frame views of the office.
"These volumes were originally thought of as rectangular boxes with flat roofs – the minimum structure for a meeting room," explained the architects.
"As time went by, we deformed these, transforming them into asymmetric pieces by elevating the diagonal to the roof, increasing its volume up to the capacity set by the limits defined by the slab and the hung beams," they added.
Gaps between the pods create routes through the space, as well as informal meeting spots against the building's floor to ceiling windows.
Nook Architects has previously remodelled a number of traditional tiled apartments across Barcelona by integrating storage into old arched doorways, using recycled materials and adding sliding partitions.
Here, spaces have been given a homely appearance similar to these apartments, with the addition of pot plants, sofas and rugs.
A tile-clad bar and kitchen area is positioned against a white-painted brick wall at the back of the space.
This socialising area is separated from the open-plan workspaces on the other side of the space by the two meeting pods, as well as a third containing a shower and toilets.
Related content: see more Barcelona interior projects by Nook Architects
The two meeting rooms turn their opaque walls towards the bar, while the hand-washing area of the toilet block is glazed.
Wide, grey chipboard tables and yellow chairs furnish the communal workspace. Wooden shelving units and cupboards nestled between the existing concrete framework provide storage for books and office equipment.
Photography is by Nieve/Productora Audiovisual.
Architecture: Nook Architects
Graphic design: Isidre Barnils