St Mark's Church is in Buncer Lane, in the former parish of Witton, Blackburn, Lancashire, England.

[7] In gaining the commission, he was helped by his older cousin Revd J. W. Whitaker, vicar of Blackburn, who was related by marriage to the Feilden family.

[10] The foundation stone was laid on 10 October 1836 by Joseph Feilden, and the church was consecrated on 10 June 1838 by Rt Revd John Bird Sumner, bishop of Chester, although it may have been finished before the latter date.

[3] The exterior is divided into a grid pattern by lesenes (pilasters without a base or capital) and string courses.

[12] It consists of a wide nave without aisles that suddenly contracts into a narrow chancel with a polygonal apse.

[15] Inside the church is a west gallery with a late 20th-century screen supported by cast iron columns.