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Historic England Research Records

Prime Ministers Rooms And Operations Rooms

Hob Uid: 1576651
Location :
Wiltshire
Corsham
Grid Ref : ST8506769074
Summary : The Prime Minister's and Operations Rooms would have provided operational rooms and accommodation for the Prime Minister at the Central Government War Headquarters in the event of nuclear conflict during the Cold War.The series of underground rooms are part of Spring Quarry, a Bath stone quarry, which had been requistioned by the Ministry of Aircraft Production in 1940 to be used as a underground factory for aeroplane engine production. The factory closed in 1945 and in 1954 Spring Quarry was bought by the government. The northeast area was allocated for convertion into a Central Government War Headquarters designed to accommodate 4000 military and government staff, including the Prime Minister and key cabinet officials in the event of nuclear conflict during the Cold War. Building work started in 1957 and much of the major work had been completed by 1959. The Prime Minister's Rooms comprise two adjacent rooms, about 6m square in plan, numbered 34 and 35. Room 35, to the north, is the inner chamber, reached only through room 34. The rooms are fitted with an internal telephone and bell system. The map viewing room and operations room are across a corridor to the south of the Prime Minister's rooms. The observation, or control room (Room 45) overlooks the large map viewing room (Room 44) and two small storerooms adjoining this to the south, numbered 44A and 44B. The Central Government War Headquarters was de-commissioned during the early 1990s and de-classified in 2004.The Prime Minister's and Operations Rooms are a Scheduled Monument. For the designation record of this site please see the National Heritage List for England.
More information : The Prime Minister's and Operations Rooms would have provided operational rooms and accommodation for the Prime Minister at the Central Government War Headquarters in the event of nuclear conflict during the Cold War.

The series of underground rooms are part of Spring Quarry, a Bath stone quarry, which had been requistioned by the Ministry of Aircraft Production in 1940 to be used as a underground factory for aeroplane engine production. The factory closed in 1945 and in 1954 Spring Quarry was bought by the government. The northeast area was allocated for convertion into a Central Government War Headquarters designed to accommodate 4000 military and government staff, including the Prime Minister and key cabinet officials in the event of nuclear conflict during the Cold War. Building work started in 1957 and much of the major work had been completed by 1959.

The Prime Minister's Rooms comprise two adjacent rooms, about 6m square in plan, numbered 34 and 35. Room 35, to the north, is the inner chamber, reached only through room 34. The rooms are fitted with an internal telephone and bell system. The map viewing room and operations room are across a corridor to the south of the Prime Minister's rooms. The observation, or control room (Room 45) overlooks the large map viewing room (Room 44) and two small storerooms adjoining this to the south, numbered 44A and 44B.

The Central Government War Headquarters was de-commissioned during the early 1990s and de-classified in 2004.

The Prime Minister's and Operations Rooms are a Scheduled
Monument. For the designation record of this site please see the National Heritage List for England. (1-2)

Sources :
Source Number : 1
Source :
Source details : 20-Mar-13
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Source Number : 2
Source :
Source details : English Heritage, 2013. The National Heritage List for England [Accessed 09-Jul-2013]
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Monument Types:
Monument Period Name : Mid 20th Century
Display Date : Requistioned in 1940
Monument End Date : 1940
Monument Start Date : 1940
Monument Type : Limestone Quarry
Evidence : Subterranean Feature
Monument Period Name : Mid 20th Century
Display Date : Built 1957-59
Monument End Date : 1959
Monument Start Date : 1957
Monument Type : Underground Government Headquarters, Nuclear Bunker, Operations Room
Evidence : Subterranean Feature
Monument Period Name : Second World War
Display Date : Built in 1940
Monument End Date : 1945
Monument Start Date : 1940
Monument Type : Aircraft Engine Factory
Evidence : Subterranean Feature
Monument Period Name : Late 20th Century
Display Date : Decommissioned early 1990s
Monument End Date : 1992
Monument Start Date : 1990
Monument Type : Underground Government Headquarters, Nuclear Bunker, Operations Room
Evidence : Subterranean Feature
Monument Period Name : 21st Century
Display Date : Declassified 2004
Monument End Date : 2004
Monument Start Date : 2004
Monument Type : Underground Government Headquarters, Nuclear Bunker, Operations Room
Evidence : Subterranean Feature

Components and Objects:
Related Records from other datasets:
External Cross Reference Source : Unified Designation System UID
External Cross Reference Number : 1409131
External Cross Reference Notes :
External Cross Reference Source : National Monuments Record Number
External Cross Reference Number : ST 86 NE 59
External Cross Reference Notes :

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