It remains an active church in the Diocese of St Asaph and is a Grade I listed building.

The Church of St Marcella stands on the Whitchurch Road, about a mile south-east of the town of Denbigh.

[1] It remains an active parish church in the Diocese of St Asaph and occasional services are held.

[6] The church is built to a double-nave plan, with a west tower and a south porch.

[a][1] The Royal Commission on the Ancient and Historical Monuments of Wales (RCAHMW) records the "exceptionally fine" hammerbeam roof[5] which is decorated with carved and painted corbels.