(Barbara) Joan Ash ( Mrs B J K Thompson) (born 1917) was a sociologist and local politician.
A graduate of the University of Oxford, in 1946 she was elected to the London County Council as a Labour Party councillor representing Fulham East. She was a member of the county council's housing commitee. She was defeated at the next county council elections in 1949 when the Conservative Party won the three seats in Fulham East. She continued on the housing committee as a co-opted member until 1955.
In 1958 she joined the Centre for Urban Studies, working in research on social housing. Her research group studied the London County Council's Lansbury Estate in Poplar and Westminster City Council's Churchill Gardens Estate. She went on to be Research Officer in the Ministry of Housing and Local Government from 1961 to 1966. She was subsequently a housing consultant and member of the Council of Housing Centre Trust. She was the author of a number of books and articles on social housing.
- Cedric Pugh (1988). The height of ignorance in housing. Philosophy and Social Action.