It has a seven-bay nave, a shallow chancel with a vestry to the east, and a west tower.

On each side of the chancel arch are paintings, one of which depicts the Nativity and the other the Ascension.

[1] John Nicholson built the three-manual organ in 1860 for Manchester Cathedral.

[6] Jardine and Company moved the organ to Holy Trinity in 1874 and rebuilt it in 1905.

[7] Media related to Former Church of the Holy Trinity, Bolton at Wikimedia Commons