I'm sure a financial contribution relating to the nature of the development and its potential impacts could be agreed which could prove attractive to 'decision-makers' at NCC, alongside a Planning Committee full of Mags....
With any potential application on LP the club could/will be required to offer a weighty financial contribution via a S106 agreement to the Council (not constrained by FFP) for them to spend as they see fit eg 'upgrade' the remainder of the park or something that would represent a benefit of significance to help go some way to outweigh the harm a new ground will have.