1964 – Family Housing Association (Birmingham) is set up by the Catholic Housing Aid Society (CHAS)

1968 – Harden Housing Association is established

1972 – St. John Kemble Hereford Association is established – taking its name from an English Roman Catholic martyr

1974 – Worcestershire Housing Association is established

1998 – Harden Housing Association and St. John Kemble Hereford Housing Association boards form West Mercia Housing Group

1999 – Optima Community Association is created as a partial stock transfer of five city centre estates from Birmingham City Council

1999 – Worcestershire Housing Association joins West Mercia Housing Group

1999 – SHYPP (Supported Housing for Young People Project) is set up to deliver a new project for 16-25-year-olds

2000 – Coventry City Council transfers their housing stock to form Whitefriars Housing Group

2003 – Worcestershire Housing Association becomes Nexus Housing

2004 – Whitefriars creates the HomeWorks brand for its repairs service

2004/5 – SHYPP becomes part of St. John Kemble Housing Association

2005 – St. John Kemble Housing Association changes its name to Kemble Housing

2007 – Spectrum Development Partnership launched with West Mercia Group as lead partner

2008 – Whitefriars joins West Mercia Housing Group

2010 – West Mercia Housing Group changes its name to WM Housing Group

2011 – West Mercia Development Ltd launches – trading as Signature New Homes
2012 – Harden Housing Association merges with Optima Community Association
2012 – Optima Community Association joins WM Housing Group
2013 – West Mercia Homes formed as a legal entity responsible for Kemble, Nexus and Harden homes
2014 – Family Housing Association joins WM Housing Group
2017 – Nexus and Kemble officially merge and change name to West Mercia Homes

2019 – WM Housing Group and all of its subsidiary providers amalgamate to become one organisation with a new brand – Citizen