The Learning Suite will accommodate up to 40 guests for a reception and will incorporate two break-out spaces for smaller functions, holding up to 14 guests.
It has been kitted out with the latest facilities and air conditioning.
Along with the recently refurbished Switch and Harmsworth Rooms, the former war bunker can now hold up to 400 guests.
Each of the rooms can be decorated with wartime dressing, including gas masks, billy cans, authentic trunks and sandbags, and waiting staff can be dressed in military and 1940s dress.
To leave a comment and let us know your thoughts.