As of the 2021–2022 report year, the libraries collectively hold 13.5 million printed items, as well as numerous other objects and artefacts.
[5] As of the 2021–2022 report year, the group cares for 13.5 million printed items, 28,293 metres (92,825 ft) of archives and manuscripts, and a staff of 541 (full-time equivalents).
Locations formerly used included a redundant village church at Nuneham Courtenay and a disused salt mine in Cheshire.
However, this application was unsuccessful and the new Book Storage Facility was instead constructed at a site on South Marston Industrial Estate on the outskirts of Swindon.
[9] Previously-existing Osney Mead premises are used for backroom operations, including the Packing and Design Service department.