Bostock, who made his debut for Palace aged 15 years 289 days, was told he could leave Selhurst Park last Wednesday and Tottenham sporting director Damien Comolli believes he has persuaded the England Under 17 midfielder, also wanted by Barcelona, Chelsea, Arsenal and Manchester United, to move to White Hart Lane.
Palace, who hope to overturn a 2-1 deficit against Bristol City in the Championship play-offs second leg on Tuesday evening, are demanding around £5million, with a series of bonus clauses dependent on club and country appearances.