The CEO explains who now owns the site and their top line plans here http://www.millbrook.co.uk/Newsline/blog-article/CEO-comments-on-Millbrook-acquisition-by-Rutland-Partners
Millbrook Proving Ground Sold
November 17, 2013 by nicolarr
Millbrook Proving Ground is in new ownership.
MMAG will monitor the changes to understand what this may mean for land use and changes to land use; bids have been previously submitted (and not progressed) for housing development on parts of the site. Also for likely changes in traffic movements with greater activity on the site.