In the English civil parish of Lymm, there are 55 buildings that are recorded in the National Heritage List for England as designated listed buildings. Of these, one is classified as Grade I and one as Grade II*; the remainder are at Grade II. Lymm is in the borough of Warrington and the ceremonial county of Cheshire. In the early 16th century, the civil parish was a prosperous agricultural area, divided into two manors, Lymm and Oughtrington. The Grade-II*-listed Lymm Hall, the oldest listed building in the civil parish, dates from the late 16th century and occupies the site of a medieval building which was the manorial seat. The largest settlement in the civil parish is Lymm, which has expanded into a small town whilst retaining its village centre. Several other small settlements within the parish remain separate, including Oughtrington; Oughtrington Hall dates from around 1810.

Lymm is a village and civil parish in the Borough of Warrington, Cheshire, England. It incorporates the hamlets of Booths Hill, Broomedge, Church Green, Deansgreen, Heatley, Heatley Heath, Little Heatley, Oughtrington, Reddish, Rushgreen and Statham. At the 2021 United Kingdom census it had a population of 12,700. The village is situated in the northern aspect of Cheshire and borders Greater Manchester to the East and lies 1 mile from the border of Salford to the north.