The parish church here is St Peter's, which dates back to the 12th century. It is a Grade-II listed building and was the subject of restoration work in 2004, funded by the Heritage Lottery Fund. It is on Historic England's list of buildings at risk. 
Birley shares a civil parish ('Birley with Upper Hill') with a larger hamlet a mile to the east, Upper Hill. The 2011 census recorded a population of 339 in this parish.
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