An official body monitoring new building materials and techniques, especially that set up in the United Kingdom in 1966 (since 1982 called the British Board of Agrément).
Origin
1960s; earliest use found in The Times.
Definition of Agrément Board in US English:
Agrément Board
noun
An official body monitoring new building materials and techniques, especially that set up in the United Kingdom in 1966 (since 1982 called the British Board of Agrément).