In Australia these are known as six-pack flats. https://assemblepapers.com.au/2019/07/16/six-pack-living-type-street-apartment/ https://assemblepapers.com.au/2

In Australia these are known as six-pack flats. https://assemblepapers.com.au/2019/07/16/six-pack-living-type-street-apartment/ https://assemblepapers.com.au/2019/07/16/six-pack-living-typ... > > The six-pack is the unsung hero of Australia’s vernacular architecture. The humble walk-up apartment building, with that distinctive boxy, Lego look in red or cream brick, first started springing up in the 1930s around Australian suburbs – wealthy, poor and middling alike. The construction of six-packs reached its crescendo in the postwar period, when thousands of owners replaced the footprint of a detached house on a single lot with a long and thin two- and three-storey apartment building, always sans elevator. > Jack Chen has carefully renovated a 33 sqm apartment in a modest walk-up block in Richmond, showing what a six-pack flat can do.