St Margaret and St James' Church is located about 0.5 miles (0.8 km) to the south of the village of Long Marton, Cumbria, England.

[3] The church is constructed in stone with large quoins and slate roofs.

[2] Parts of the nave walls are Anglo-Saxon,[2] other parts of the nave and the blocked north doorway are Norman, and the chancel is in Decorated style.

A window has been inserted into the blocked north doorway; this contains stained glass dated 1930 by Stanley M. Scott, depicting Saints Margaret and James flanked by Saints Cosmas and Damian.

In the south transept is a window of 1925 to the memory of the architect George Dominic Stampa.