on 10 january 2017 the jockey club announced the closure of the 230-acre site by 2021 for a total of £500  million investment programme over a 10-year period that was submitted for consideration following the local authority's 'call for sites' to address unmet local housing needs. the plan includes the move of some important jumps races like the king george vi chase and christmas hurdle to the sandown park racecourse with the other jumps fixtures to be spread around other jockey club-owned racecourses throughout the country, while the all-weather track to be replaced by a new artificial track to be built at newmarket.