Thomas also trained as a joiner, but then developed a professional practice as an architect and interior designer.

William Baker of Audlem, an architect and contractor, used his plans to construct St John's Church, Wolverhampton.

[1] Such work includes the rebuilding of St Julian's Church, Shrewsbury, and Hatton Grange, Shropshire.

[5] In the design of funerary monuments he employed coloured marbles, characterised by Rupert Gunnis as "school of Henry Cheere".

[7] Pritchard carried out work in Ludlow, including rebuilding its jail and the Hosier's Almshouses, and making alterations to the Guildhall.