After refurbishment in 2000, it continued to offer a large programme of music, theatre and arts based workshops throughout the week.
As of 2016, the space was primarily hired by St Helens Council for its adult social care and health activities.
[1] In 1887 the manager, a Mr Wallace Revill, purchased and plot of land on Corporation Street in St Helens, and a new theatre was constructed.
The Salvation Army purchased the building in 1889 and began an extensive programme of refurbishments which removed the stage and fly tower, the upper balcony and also the boxes.
[3] In 2009 The Citadel celebrated its 21st birthday with a special event with invited guests and members of the public.
[5] The Citadel was purchased by entrepreneur Ian Pitts in 2020, and leased for 5 years by MD Creatives.