https://www.google.co.uk/maps/place/Gedgrave+Hall,+Woodbridge/@52.0839607,1.5064198,338m/data=!3m2!1e3!4b1!4m5!3m4!1s0x47d980d867a6de7d:0x5b0d95958a2c703d!8m2!3d52.0839574!4d1.5086139

...okay, so if 'that' is 'that' MI5...then, work it out....go figure: