The parish of Christ Church was created in Ealing in 1853 for the increased population in the area, following the opening of a railway station in 1838.

The population continued to grow and the vicar, Stephen Hilliard, decided to establish a mission on Castlebar Hill, to the northwest, where Henry de Bruno Austin was developing the area with large houses.

This opened as St Stephen's on Wednesday, 12 June 1867 with a sermon preached by the Bishop of Ripon, Robert Bickersteth.

[5] Plans for this were discussed in 1911 at a meeting chaired by Henry Vivian of the Brentham Garden Suburb and it was agreed that there would be restrictions on bell-ringing.

This is a lower complex in modern red brick with slate roofs and is called St Stephen's Church Centre.

[8] Visiting teams of bell ringers were also invited and, in 1921, the Ancient Society of College Youths rang a peal of 2 hours on a Saturday.

... what might almost be termed cruelty" – and the Reverend Maynard called a meeting which agreed that the bells should only be rung on alternate Sundays.

The importance of the building in the landscape was even more apparent one hundred years ago when the trees were saplings and the views down the roads were less inhibited.A parochial school was opened by the church in 1867.

[11] Other programmes include the Alpha course, a summer fête, afternoon tea and a Shining Stars group for young children and their parents.