Disused military base. Fenced and secured with security gatehouses and checkpoints. Large hangers and watchtowers. Could easily double for America, Russia or mainland Europe. 

Distance from London:
47 Miles from the M25

A great military base for filming.

Distance from London:
38 miles from the M25

Decommissioned WW2 military base.

Distance from London:
17 Miles from M25

First World War RAF military base with grass airfield. Military offices, huts, medical and small hangars.

Distance from London:
22 miles from the M25

Military underground bunker facility with offices, accommodation, barracks, control centre and long corridors.

Distance from London:
28 Miles