Typical of historic homes in Eixample, the apartment's rooms are laid out along two central corridors that meet to form a 'V' shape. The firm's update to the space centers around the addition of an oak cabinet wall, which adds generous storage to the narrow floor plan. Photo 2 of 9 in A Multifunctional Built-In Updates this Mosaic-Filled, 19th-Century Spanish Flat by Aileen Kwun

A Multifunctional Built-In Updates this Mosaic-Filled, 19th-Century Spanish Flat

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Typical of historic homes in Eixample, the apartment's rooms are laid out along two central corridors that meet to form a 'V' shape. The firm's update to the space centers around the addition of an oak cabinet wall, which adds generous storage to the narrow floor plan.