Church of All Saints

The Church of All Saints is a parish church located on Wainfleet Road in Irby in the Marsh. It dates from the mid-13th century and the 15th century, with remodeling in 1770, restoration in 1886, and further alterations in the 20th century. The building is constructed from greenstone and limestone rubble, limestone ashlar, and red brick, topped with slate roofs featuring stone coped gables and an eastern cross finial.

The church includes a west tower, nave, and chancel that are unified, along with a north vestry. The medieval greenstone tower was largely remodeled in red brick in 1770 and features two battered stages with four stage angle buttresses and a chamfered plinth. The west doorway is semi-circular with moulded imposts and a keystone, leading to a plank door. Above this doorway is a rectangular opening that is now blocked. The tower has rectangular bell openings on three sides with louvred openings, an ashlar coped parapet, and stone corner pinnacles.

On the north side, there are two pointed arcade openings that have been blocked with brick, and two 18th-century semi-circular headed windows with ashlar architraves, imposts, and keystones. The north vestry, added in the 19th century, has a single cusped lancet window to the east. The north side of the chancel features a plinth and a 19th-century segmental headed window with three cusped, ogee headed lights, panel tracery, and a hood mould. The east end has two-stage diagonal buttresses and a larger window with a hood mould. The south side has two similar windows and a re-used mid-13th century doorway with a pointed head, continuous chamfered surround, and a plank door.

The nave displays alternating bands of greenstone and brick, along with a plinth. There are two 18th-century semi-circular headed windows with ashlar architraves, imposts, and keystones. Inside, the pointed interior tower arch from the 13th century has a chamfered arch from the 18th century inserted, resting on chamfered rectangular jambs. A 20th-century west screen is present, while the north arcade is blocked, revealing pointed double chamfered arches and partially exposed polygonal moulded capitals. The chancel arch is a plain pointed design from the 19th century. The north vestry arch has a pointed head with a bowtell moulded surround. There is an early 15th-century cinquefoil piscina in the east wall and a small plain octagonal font from the same period.