Conversation so far:
Did Augustus Pugin convert to the Roman Catholic Church?
In 1834, Pugin converted to the Roman Catholic Church.
What happened after Augustus Pugin's conversion to the Roman Catholic Church?
his conversion acquainted him with new patrons and employers.
What did Augustus Pugin's father do after immigrating to England?
Pugin's father, Auguste-Charles Pugin was a Frenchman who had immigrated to England as a result of the French Revolution, and probably, like many others, converted to the Anglican Church.
What happened after the conversion of Augustus Pugin's father to the Anglican Church?
converted to the Anglican Church in order to obtain employment, because it was very improbable that any non-Anglican would obtain a governmental commission or tender, for example.

Question: What other restrictions were there?
Self-contained rewrite: What other restrictions were there for non-Anglicans in British society in the early 19th century besides employment?