Association of Building Technicians (formerly known as the Architects' and Surveyors' Assistants' Professional Union and as the Association of Architects, Surveyors and Technical Assistants).

Reference number	ABT
Date	1919-1976
Level	Collection
Description	This collection includes: executive committee minutes, 1919-1974; council/general council minutes, 1933-1969; financial records, 1949-1969; membership statistics, 1942-1974; 'Keystone' journal, 1919-1969; research material, 1919-1976; Scottish Divisional Council records, 1920-1923; National House-Builders Registration Council branch records, 1971-1974.
Extent	19 boxes
Admin history	The Association was founded as the Architects' and Surveyors' Assistants' Professional Union (ASAPU) in 1919. It became the Association of Architects, Surveyors and Technical Assistants (AASTA) in 1924. In 1942 it became the Association of Building Technicians (ABT). On 1 July 1970 it amalgamated with the Amalgamated Society of Woodworkers (ASW) and the Amalgamated Society of Painters and Decorators (ASPD) to form the Amalgamated Society of Woodworkers and Painters (ASWP). On 1 July 1971 the society amalgamated with the Amalgamated Union of Building Trade Workers (AUBTW) to form the Amalgamated Society of Woodworkers, Painters and Builders (ASWPB). In December 1971 the Society changed its name to the Union of Construction, Allied Trades and Technicians (UCATT). Reference: Leslie M. Wood, 'A union to build. The story of UCATT' (London: Union of Construction, Allied Trades and Technicians, 1979).
Access status	Open