Welcome to the little post office with a big secret!

In 1947 the British General Post Office (GPO) opened a sub post office in a tiny building attached to Bletchley Park’s famous mansion. It provided an on-site shop for the GPO engineers attending training courses in order to rebuild the country’s devastated communications network following World War 2. It later became a national training centre.

During the war years the building served as a mailroom for the 12,000 people involved in top-secret code breaking operations. To maintain secrecy an undercover postal address was used: PO Box 111 Bletchley. The secret was so well kept that the majority of those that worked there said nothing about their work until a 1998 TV documentary revealed all.

Bletchley Park Post Office now.

In 1994 Bletchley Park was saved from demolition and opened as a heritage site. The little post office became the gift shop but visitor facilities and exhibits have improved significantly since then. So now it is a re-creation of a 1940’s sub post office and a respected publisher of limited edition first day covers. These covers are very collectable and some fetch £00’s at auction. The income helps support the preservation of Bletchley Park.

Using postage stamps and talented artists the humble envelope is turned into a little piece of art and history. The stamps are hand positioned to fit the artist’s design and postmarked with their first day of issue or a special date. Each cover is then individually numbered and packed with its background into a protective sleeve ready for you to add to your collection or frame as a display piece.

You can even surprise friends and relatives with a secret’. Just click on the links below for more information.