A listing of his work compiled in 1991 traced over 210 buildings that he designed or restored.

[5] He was probably working for James Sandby Padley, who was the County Surveyor for the Lincolnshire parts of Lindsey.

At Louth he was initially in partnership with Joseph Maughan, a surveyor and lithographer in Grimsby.

[7] Fowler had probably continued the practice of Charles John Carter, a Louth architect and surveyor, who had died in 1851.

Amongst his pupils was Ernest William Farebrother, an architect who worked in Grimsby.