George Petchey joined West Ham in 1948 and transferred to QPR in 1953. He made his Rangers debut against Brighton in August 1953 and over the next seven seasons, played 255 league games for Rangers scoring 22 goals.
Petchey signed for Crystal Palace on 24 May 1960. He went on to play 143 league games for Palace scoring 12 goals. In season 1960/61 he was ever present as Palace achieved promotion to the third tier. Subsequently he suffered a serious eye injury which ultimately hastened his retirement. He returned from the injury in a home FA Cup quarter final tie against Leeds United, in March 1965, and made one further appearance, in the league, the following month. He retired to become coach at Crystal Palace and later manager at Leyton Orient and Millwall.