On the southeast side of Acorn Bank Manor House stands a late 18th / early 19th century dovecote. Constructed of ashlar, the two storey building is of a square plan and features a slate roof with a central wooden clock turret with corner balusters surmounted by a wrought iron weather vane.

While they are considered to be picturesque, dovecotes were functional buildings and were almost always constructed in vernacular styles using local materials. Free standing dovecotes are common and when they are attached to large country houses, such as Acorn Bank, they were designed to be a feature in the landscape.

The building has two small dovecote openings under the eaves on the north side and features a Venetian arched window on the south side (below) with Tuscan columns. The dovecote is Grade II Listed.