[1] The first municipal building in Whitchurch was an old town house in the centre of The Square; after it became dilapidated, it was demolished in the 1780s and the lord of the manor, Viscount Midleton, who was both a local member of parliament and an Irish peer, offered to pay for a new structure.

[1] At roof level there was a cornice, a parapet and a central pediment with a clock in the tympanum, and there was a square turret with a dome and a weather vane.

[5] The mechanics institute moved out of the assembly room in 1878 and the building was extensively refurbished as part of celebrations for the Diamond Jubilee of Queen Victoria in 1897.

[9] In January 2010, HSBC, who as Midland Bank had been tenants part of the ground floor since the mid-20th century, closed its branch and vacated the building.

[10] An extensive programme of refurbishment works, which included the installation of a lift and new glazing on the front of the building, was completed at a cost of £180,000 in September 2021.