The building is protected by the Municipality of Voula, Athens. It was renovated in the 1980s and now is operated as a free-of-charge shelter for homeless or low waged families (10 apartments) The building currently has 21 residents. Two apartments on the first floor will be retrofitted with smart walls.

Situated in the southwest of the city of Terrassa (Barcelona), the building is composed of two residential blocks, and a commercial space (not included in the pilot case). All of them are placed in a “U” form with a common courtyard in the middle. PLURAL solutions will be implemented in one block (18 dwellings).

The “Kašava” multiple dwelling is situated in the North-East part of the Zlín region. It is composed of 2 flats for the teachers of a nearby nursery school and is permanently occupied. The façade is made of a 45 cm full brick wall (no insulation). The building is classified as “F” in the energy consumption system used in the Czech legislation. The envelope will be renovated in PLURAL (ca. 400m2 façade including windows).

Multi-family building from 1964 located in Switzerland with low insulation level. Massive construction with monolithic brick. Deep renovation by Swissrenova and SPF in a national pilot and demonstration project called “ProsumerSkin”.

Energetic refurbishment of a detached house with a separate apartment (1965 construction) with natural building materials. Brick masonry 36.5 cm, uninsulated, ext. plaster 1.5 cm, int. plaster 2.0 cm. The external wall is ventilated timber façade or insulated and plastered with lime. Mechanical ventilation with heat recovery and PV for electricity generation.

A centre with a large selection of buildings with commercial and residential purposes (usual apartments & apartments for special groups e.g. seniors and youth).