The station's prime location coupled with the property boom of the 1950s and the need for British Rail to seek alternative revenue streams made war-damaged Cannon Street a key target for property developers.
Sammentræffet mellem stationens gode beliggenhed, ejendomsboomet i 1950'erne og British Rails behov for at finde alternative indkomsterne, gjorde det krigsskadede Cannon Street til primært mål for bygherrer.