Atelier In Vitro renovated three 200-square-metre apartments with retro interiors in an old building in Porto, by adding mid-century furniture and by restoring parquet and marble floors.

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Described by Atelier In Vitro as “one the most charismatic buildings in the city”, the block was designed by Portuguese architect couple Maria José Marques da Silva and David Moreira da Silva and constructed between 1944 and 1946.

The architects wanted their design to complement the character of the building while also creating comfortable homes. The kitchens were rearranged and fitted with white cabinets, marble splashback and patterned floor tiles.

Marble walls and floors, and ceramics in the bathrooms were also retained, along with fittings in the nostalgic style.

The second apartment, on the sixth floor, features similar finishes, like dark wooden door frames and lightly painted walls. The walls of the entrance all, however, are covered with blue patterned paper.

“The proposed interventions sought to minimize the impact on the apartments, preserving and valuing their original characteristics,” said the architects. “At the same time, the fact that the apartments were in a good state of conservation, led to proposals involving essentially a set of specific interventions.”

Located on the seventh floor, the third apartment features brightly coloured furniture to complement the decorative rug.

In the case of the apartments of the fifth and sixth floor, this change created more space for en-suites in the bedrooms. The additional bathroom on the seventh floor features more contemporary finishes, like white subway-style tiles.

For the rest of the interiors the chosen furnishings complement these retro finishes. Additions include patterned rugs, dark wooden chairs and tables, and colourful lampshades and sofas.

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