Creslow Park


Creslow Park located in Creslow, in the Aylesbury Vale in the English county of Buckinghamshire, is a large specialist technical facility originally established in 1944 under the name Creslow Transmission Station as a top secret radio communications facility for Section VII of the Secret Intelligence Service. It is believed to have been one of three remote radio sites operated by the Diplomatic Wireless Service and managed from Hanslope Park near Milton Keynes. All three of these sites were located in rural locations in Buckinghamshire, the other two being close to the villages of Gawcott and Poundon respectively.

Building and intended purpose

The original buildings and aerials were erected in 1944. Little is known about these buildings, but some photographs are available. In these photographs a semi-circular transmission building believed to be of the same design as the one located at Signal Hill in Gawcott can be clearly seen.
The site was completely overhauled and modernised in 1989-90 with many of the post-war buildings, including the main transmission building, being demolished and a new state-of-the-art building replacing them. The main building contains 5000sq/ft of highly secure, purpose built technical space divided into two areas, one denoted the 'Drive and Mux Room' and the other the 'Transmission Hall'.
Dual-redundant power was designed in to the building from the outset and a dedicated HV connection to the grid supported the historical use of the site. This combined with 2x Rolls Royce Diesel Generators provides excellent power redundancy. In recent years diverse fibre optic communications have been installed meaning the site has an abundance of connectivity.

Modern times

Documents found at the site suggest that the facility was decommissioned in 1995 and after sitting empty for several years it was sold to the local farmer upon whose land the access route resides. The building is now privately operated as a specialist technical site offering commercial services such as Internet hosting services.
In November of 2019, a pair of IBM System 360 Model 20 were moved to Creslow Park for restoration.