 A church building had existed on the site since 1280 . During this time , a small chapel stood on the site to serve the local townships of Oldham , Chadderton , Royton and Crompton . This was later replaced by an Early English Gothic church in the 15th century . With the coming of the Industrial Revolution , the population of Oldham increased at a rapid rate ( from under 2 @,@ 000 in 1714 , to over 32 @,@ 000 by 1831 ) . The rapid growth of the local population warranted that the building be rebuilt into the current structure . Though the budget was originally agreed at £ 5 @,@ 000 , the final cost of building was £ 30 @,@ 000 , one third of which was spent on the crypt structure . Alternative designs by Sir Charles Barry , the designer of the Palace of Westminster , although now regarded by some as superior , were rejected . The Church , of the Anglican denomination , is in active use for worship , and forms part of the Diocese of Manchester . There are Roman Catholic churches in Oldham . These include Our Lady of Mount Carmel and St Patrick Church . It was built in 1870 , was founded by priests from St Mary 's Church in Oldham , and is a Grade II listed building . 
 A church building <a href='been_done' title='1'><mark>had</mark></a> existed on the site since 1280 . During this time , a small chapel stood on the site to serve the local townships of Oldham , Chadderton , Royton and Crompton . This was later replaced by an Early English Gothic church in the 15th century . With the coming of the Industrial Revolution , the population of Oldham increased at a rapid rate ( from under 2 @,@ 000 in 1714 , to over 32 @,@ 000 by 1831 ) . The rapid growth of the local population warranted that the building be rebuilt into the current structure . Though the budget was originally agreed at £ 5 @,@ 000 , the final cost of building was £ 30 @,@ 000 , one third of which was spent on the crypt structure . Alternative designs by Sir Charles Barry , the designer of the Palace of Westminster , although now regarded by some as superior , <a href='uninflect' title='2'><mark>were</mark></a> rejected . The Church , of the Anglican denomination , is in active use for worship , and <a href='uninflect' title='3'><mark>forms</mark></a> part of the Diocese of Manchester . <a href='dey_it' title='4'><mark>There</mark></a> are Roman Catholic churches in Oldham . These include Our Lady of Mount Carmel and St Patrick Church . It was built in 1870 , was founded by priests from St Mary <a href='null_genetive' title='5'><mark>'s</mark></a>Church in Oldham , and <a href='drop_aux' title='6'><mark>is</mark></a>a Grade II listed building . 
A church building done existed on the site since 1280 . During this time , a small chapel stood on the site to serve the local townships of Oldham , Chadderton , Royton and Crompton . dis was later replaced by an Early English Gothic church in the 15th century . wid da coming of the Industrial Revolution , tdapopulation of Oldham increased at a rapid rate ( from under 2 @,@ 000 in 1714 , to over 32 @,@ 000 by 1831 ) . Thdaapid growth of the local population warranted dat thedailding be rebuilt into the current structure . Though the daget was originally agreed at £ 5 @,@ 000 , the fdal cost of building was £ 30 @,@ 000 , one third of which was spent on the crypt structure . Alternative designs by Sir Charles Barry , the designer of the Palace of Westminster , although now regarded by some as superior , was rejected . The Chdah , of the Anglican denomination , is in active use for worship , and form part of the Diocese of Manchester . It is Roman Catholic churches in Oldham . These include Our Lady of Mount Carmel and St Patrick Church . It was built in 1870 , was founded by priests from St Mary  Church in Oldham , and a Grade II listed building .