 There were 58,698 (7.1% of the total) one-bedroom, 421,274 (50.8%) two-bedroom, 271,422 (32.7%) three-bedroom flat, while 77,783 panel flats (9.4%) had four or more bedroom in 2011.Average floor space was 54 m² for an LPS flat and 69 m² for a PC flat in 2011, lower than the national average (78 m²).The average floor space for a state-built flat (mostly panel flats) was 48 m² in the 1960s, 53 m² in the 1970s and 55 m² in the 1980s, significantly smaller than a privately built one (panel blocks also were built by non-governmental organizations, mostly housing cooperatives).