Ref the cricket club they are willing to relocate elsewhere if they are given better facilities but their problem was the the cricket 'bed' or whatever you call it has to have x amount of time to bed in so they would not want to up and move tomorrow if they was given somewhere acceptable.
A lot of this also depends on how amenable the council are as well with there be only 1 vote between the tories and labour both parties will have to be smoozed to get anything through planning and also local residents need to be satisfied it will not affect them.
The word you are looking for is cricket square and square's typically take 4-5 years to bed in and play consistently well. Hampshire were heavily criticised for how the Rose Bowl played in it's infancy.
I think another potential issue is that the Pavilion building is listed. Might need to stay up and carry on being our pre-match bar!