In the 1870 's he took on assistants Charles Rennels Hancock and Alfred Granby Winsor and in 1874 he was chosen from a field of twelve architects to design and supervise the building of St John 's Church , Ealing Dean .
In the 1870 's he took on assistants Charles Rennels Hancock and Alfred Granby Winsor . 
 In 1874 he was chosen from a field of twelve architects to design and supervise the building of St John 's Church , Ealing Dean .