 The church displays a chancel apse, high roof and a huge tower topped by a Doulting limestone spire rising to 168 feet.St Mark's and St Matthew's were both designed as Evangelical preaching churches and have lofty naves with little division from the chancel and as in Christian's first church at Hildenborough in Kent both focused attention on the pulpit.Inside, St Mark's has rich stone arcading with polished pink Shap granite columns, heavy capitals displaying deeply carved foliage and striped polychrome arches.