Northbrooks sits imposingly above a valley to the south of the town centre, affording good views from and to the four-storey slab blocks.
However, arguments with Harlow Design Corporation over the use of flat roofs led to the pair terminating their involvement prior to completion.
They designed the Skylon Installation at the 1951 Festival of Britain, which sought to instil a sense of positive feeling at a time of postwar depression.
; a number of Oxford and Cambridge University buildings including Wolfson College, Oxford, Blue Boar Quad at Christ Church, and Cripps Court at Queens' College, Cambridge, the courtyard at the Museum of London and Chichester Festival Theatre.
National Life Stories conducted an oral history interview (C467/11) with Philip Powell in 1997 for its Architects Lives' collection held by the British Library.