Church of St Lawrence was built in the 13th or 14th century. From this period the nave and the chancel come from, it is possible that the northern sacristy was also established at that time. In the fifteenth century, the southern porch and the tower on the western side were added. The church was restored in 1844 and in the years 1895-1898, when the spiral stairs of the tower were blocked, and a new entrance was placed in the western wall. Also, the nave was considerably rebuilt, among others a wall was inserted between the transept and the nave and the presbytery.
The church was erected from limestone rubble. It consists of a four-span, rectangular nave without an externally separated chancel, a northern transept serving as a sacristy, a southern porch and a three-story western tower. It is possible that the transept was originally a side aisle, running from east to west. The fifteenth-century tower is topped with a very high parapet on protruding corbels and battlement. From the south side has a turret with a staircase, which together with the parapet and the eastern window was added in the sixteenth century.
Website coflein.gov.uk, St Lawrence’s church, Marros.