[4][5] Councillors voted not to go ahead with the plan in January 2012, with leader of the Labour group George Nobbs particularly opposing the measure.

[6] In June 2013, Steve Miller, chief executive of the Ironbridge Gorge Museum Trust and member of the European Cultural Parliament, became the new head of the NMS, after Vanessa Trevelyan retired from the position in March.

[8] Following the attempted theft of a rhino horn from Norwich Castle in 2012 and a successful theft of items associated with Admiral Lord Nelson valued at £36,800 five days later, as well as six more items stolen between March 2012 and December 2013, councillors criticised the NMS for a lack of security.

[2] The years of 2017-18 brought record visitor numbers for the service, with 426,110 people visiting NMS museums between April 2017 and March 2018, accounting for a 9% rise.

[9] In 2022, the decreased budget available to the NMS, which was cited to be a result of the impact of the COVID-19 pandemic, reduced public funding and the prospect of an Arts Council grant cut, led to expectations that the service would overspend by £850,000, 40% of its approved budget, that year, and that it would also reduce its opening hours.