[2] The foundation stone for the new building was laid by the Lord Lieutenant of Nottinghamshire, William Cavendish-Bentinck, 7th Duke of Portland, on 21 November 1939.

[8] In 2016, county leaders decided that a 1960s concrete prefabricated extension, which had been built as part of the Consortium of Local Authorities Special Programme (CLASP), was deemed surplus to requirements and unfit for purpose.

A site was found on the A611 Annesley Road north of Hucknall, in the parish of Linby, and construction began in December 2023 with the new building due to open in 2025.

[13] The grand staircase which links the ground and first floors of the building, includes oil paintings depicting historic distinguished members and officers of the county council amongst local scenes.

[13] The collection included portraits by the local artist, Arthur Spooner, of Lord Belper[14] and Viscount Galway,[15] who served respectively as the first and second chairmen of the county council.