related tags: 1970s 20thcentury 3C4638 3E5835 7F8A7A 91AD84 A1A6A3 B6C0C3 C3D0C8 D5EEF3 E8E9EE apartments architect architecture britain c20society camden england ffffff housing london modernist socialhousing the20thcenturysociety thetwentiethcenturysociety twentiethcenturysociety uk unitedkingdom