The accreditation award is a badge of external recognition which demonstrates that the service meets nationally recognised standards.
[5] Estate papers and the records of legal firms still make up a significant portion of the holdings of the archives.
In 1962 the County Council purchased the former Anti-Aircraft Operations Central Control building at Melton Park, which was formally opened by the Duke of Northumberland in 1964.
The new building was described as "...in effect, a vast strong room partically sunk in the ground, walled, rooted and floored with reinforced concrete centrally heated and air conditioned.
"[9] In 2007 the Morpeth and Gosforth offices of Northumberland Archives merged and relocated to new premises at Woodhorn Museum.