Records of the Welsh Town-Planning and Housing Trust Limited, established in 1913, including minute books, deeds, correspondence, financial papers and printed material relating to housing estates in Barry, Burry Port, Llanidloes, Machynlleth, Newtown, Rhiwbina, Weston Rhyn and Wrexham, and other associated papers.

Papers relating to the Corlan Housing Association Ltd, 1978-1991, including agendas and minutes of Annual General Meetings and meetings of the Management Committee and Sub-Committees; annual reports; financial statements; correspondence; copies of surveys, reports and publications produced by the Association; and miscellaneous papers.