Mitcham Council Housing manager from March 1936, as noted by the Housing Committee on 12th March 1936, page 447, volume 2 of Mitcham Borough Council minutes.
Miss Barbara Thrupp, A.R.I.C.S. was awarded the MBE in the 1952 New Year’s Honours.
Personality Girls To Collect Rents Mitcham (Surrey) Council looking for girls of 18 or more with pleasant personalities. They are wanted for training in house management, which carries a salary of up to £760 a year. The girls will be paid while they are training. Miss Barbara Thrupp, Mitcham housing manager, explained: “It is something more than just collecting rents. We want girls with the personal touch who can take an interest in the tenants’ comfort, look after repairs and sort out all the housing problems that arise nowadays.”
Source: Dundee Evening Telegraph – Tuesday 06 April 1948 from the British Newspaper Archive (subscription required)
It’s possible that this is the same person:
Chester City Council on Wednesday created new municipal department by appointing Miss Barbara Thrupp, of London, to manager of the house property management department at a starting salary of £250 per annum and a minimum increment of £20.
Source: Hull Daily Mail – Thursday 26 April 1928 from the British Newspaper Archive (subscription required)
She published an article on public housing in 1929 called The Scope of a House Property Management Department, by BARBARA THRUPP, B.A., P.A.S.I. (Chartered Surveyor), House Property Manager, Chester City Council. The first page of this is available as an extract.
Minutes of meetings held by the Mitcham Borough Council are available on request from the Merton Heritage and Local Studies Centre at Morden Library.