In 1933 the Underground Group became part of a new public corporation, London Transport (LT), with Pick as Chief Executive. A major five year New Works Programme was announced which included extensions and improvements to the Bakerloo, Northern and Central lines. Adams Holden & Pearson were appointed consulting architects to the Board, and were soon working with LT's own architects and engineers on new stations such as Redbridge and Gants Hill.

Holden became less personally involved in the Underground work. In 1931, he had been awarded the RIBA London Architecture Medal for 55 Broadway. Due to the success of the Underground headquarters, Holden was chosen to design the new University of London complex in Bloomsbury.

The prestigious Senate House project now took up much of Holden's time, and some of the London Transport work was sub-contracted
or carried out in partnership with other
architectural practices. Pick was unhappy about
this, as he felt that the LT work was becoming
'Holdenesque', following the general style Holden
had set for the Underground but lacking his
careful attention to detail.