The London club chased the England U-21 striker for much of the summer, but the Baggies held firm and rebuffed a series of offers from their rivals as the transfer window ticked towards its close.
The last bid is understood to have been worth £25m, but West Brom held firm with tying him down to a new deal their plan at the time.
However, reports claim that negotiations between the parties involved have stalled as the player edges towards the final 18 months of his current deal.
Typically footballers’ valuations fall significantly during this period of their contracts, with the prospect of Bosman deals worrying for clubs.
Spurs remain keen and are looking to take advantage of the situation with Mauricio Pochettino short of attacking options beyond Harry Kane.