By Dan Marsh Lewis Hall will join Newcastle on a permanent basis for £28million in the summer as Saturday afternoon’s thumping 4-0 win over Tottenham ensures they will finish no lower than 14th in the Premier League. The Magpies swooped to snap up Hall, 19, from Chelsea in an initial loan deal back in the summer but it has widely been reported that there was an obligation to make the move permanent if certain thresholds were met. The terms in question were not shared publicly at the time, however, it has now been reported that Hall’s switch becoming permanent was dependent on Newcastle’s leagu…