He rose to prominence in the 1930s, featuring in a book by architectural critic Trystan Edwards and winning the commission in 1932 to design Walthamstow Town Hall, which was eventually completed in 1942.

Hepworth, who died in 1963, was described in his obituary as an architect of "great speed and brilliance" and "sensitivity and eccentricity", influenced by "classical, English and local Norman styles".

[4] One of his works from this period was L'Usine (1922), described by the Lingards as "a utopian industrial city scene" with "influences of early Futurism".

In the design, he used "rusticated stone up to the sills of the first-floor windows and red brick in Flemish bond for the remaining two storeys, surmounted by a hipped roof clad in pantiles.

Published in Zug, Switzerland, this 91-page hardback book, part of a series on the leading architects of the day, was titled Some recent work of Philip Hepworth.

[9] Hepworth's design of Walthamstow Town Hall (and associated buildings) was described by architectural historian Nikolaus Pevsner in 1954 as in "the Swedish style of c.1925 which became so popular in England amongst those who were not satisfied to be imitatively Neo-Georgian nor wanted to go modern or earnest.

[3] During the war, he was appointed to the Royal Academy of Arts' Planning Committee for the rebuilding of London following the damage caused during the Blitz.

[16] Hepworth designed post-World War II CWGC cemeteries in Normandy, France, as well as in Belgium, the Netherlands and Germany.

[20] Historian Philip Longworth, author of a history of the Commission, gave his view on Hepworth's Commission work in a 1963 obituary: Hepworth, another Beaux-Arts man, was an architect of great speed and brilliance, a man of sensitivity and eccentricity, whose work, though careful and often witty in detail, sometimes lacked total cohesion through dint of pressures to economise.

His cemetery at Brouay has a gabled barrel-vaulted entrance reminiscent of Baker's work, and there is more than a hint of Lutyens in his watch-towers at Beny-sur-Mer.Hepworth died in a London hospital on 21 February 1963.