Coates passed away peacefully this morning following a stroke.
He was capped four times by England and scored the winning goal for Spurs in their 1973 League Cup final victory over Norwich.
He started his career at Burnley and also played for Leyton Orient.
Spurs boss Harry Redknapp: "He was just a great guy, one of life's nice fellas. He is still loved here.
"I came across him in his Burnley days.
"We have sent condolences to his family."