The Buildings & Site Details

D Block July 2007
Pictured above is part of D Block (July 2007). The Park is a vast site with many different designs of buildings ranging from the very basic wooden huts, the sprawling fabricated brick and concrete types, to the multi-storey constructions and the large mansion house. 

The chart below gives a brief idea of the use of each building during World War II and the later utilisation by the Post Office...

Building Wartime Use Post Office Use?
A Block Naval Intelligence
B Block Italian Air & Naval and Japanese code breaking
C Block Punched Card Index section
D Block Enigma Work
E Block Incoming & Outgoing Radio Transmissions
F Block Colossus & Tunny Machines Gifford House
G Block Traffic Analysis & deception operations PO Training
H Block Lorenz & Colossus
Faulkner House PO Training
The Clock Towers


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