Property with No 1 The Thames address has been snapped up northamptonchron.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from northamptonchron.co.uk Daily Mail and Mail on Sunday newspapers.
The 168-year-old gun emplacement was built to protect military dockyards from feared possible French attack during the 1850s and could be yours for a substantial price tag.
The military building, which defended the nation during the First and Second World War from the mouth of the River Thames in Kent, is now being promoted as unique and peaceful .