Whether you are a resident of Soho Housing or not, you can apply to your local council to go on their housing waiting list. Ask to complete an application form. In order to qualify you may have to prove a local connection and meet their local criteria for housing need.
Westminster Council
Visit Westminster Housing Options
Call 020 7641 1000 (ask for Housing Options)
Email Housing Options
101 Orchardson Street, London NW8 8EA (nearest tube - Edgware Road)
Camden Council
Visit Camden Housing Options
Call 020 7974 4444
Camden Housing Options, Bidborough House, 38-50 Bidborough Street, London WC1H 9BT (near Euston and King's Cross stations)