[3] A tower, with a clock designed and manufactured by J. W. Benson of Ludgate Hill and a pyramid-shaped roof surmounted by a bellcote, was added in 1881.

[3] Following significant population growth, largely associated with the status of Narberth as a market town, the area became an urban district in 1902.

[10] Visiting speakers at the mechanics institute included the suffragette, Emmeline Pankhurst, who addressed a crowd from the steps of the building in 1908.

[11] A second floor was added to the building to a design by George Thomas of Templeton in memory of a former president of the mechanics institute, Robert Ward, in 1912.

[13] Following an extensive programme of refurbishment works, carried out to a design by Wyn Jones of Haverfordwest, the building was re-opened in summer 1992, initially as a tourist information centre[14] and later as a clothing shop.