Palmer noted that the name Borrasham was also written Burras or Borras (possibly from the Old English beorgas, "burial-mounds"), and that the latter forms came to be used for the township in order to avoid confusion with Bersham.

The airfield was closed after World War II and, on 22 October 1959, was sold to United Gravel Company, a subsidiary of Alfred McAlpine.

[4] The building was staffed by up to 120 volunteers who trained on a weekly basis and wore a Royal Air Force style uniform.

However, the nuclear bunker remained and was purchased by R Jones (K-Klass) of Tyn-Twll Farm in the early 1990s and converted to a recording studio.

Between the ROC vacating the premises in September 1991 and its new use as a recording studio, the building was under preparation for use as the Home Office North Wales Regional Government Headquarters (RGHQ) although it is unlikely it was ever actually activated as such, given the short timescale.