[1] The hall is a Grade II* listed building,[2] the mound on which it is built is a scheduled ancient monument, and a rare example of a medieval moated site (grid reference SJ88099857).

The Byrons lived there for more than 400 years until they sold it for £4,700 in 1620 to London merchants, George and Humphrey Chetham, who originated from Manchester.

Their daughter Mary married Mordecai Greene, a Spanish merchant and their only son James was MP for Arundel in 1796 and died in 1814.

Clayton Hall then passed with Turton Tower, the other Chetham seat, to one of James' five daughters Arabella Penelope Eliza Greene, who had married banker Peter Richard Hoare.

[citation needed] The left-hand section of the hall was converted into a hands-on living history museum by five members of the Friends of Clayton Park volunteer group, in 2009.

They eventually created six rooms, dressed in late Victorian style, to depict the latest historical period in which the hall was privately owned.

[5] The grade II* listed hall is constructed in red brick with some timber framing and stone slate roofs.

[2] The older single-depth portion has two bays on the ground floor and a front corridor, a plain doorway and two-light casement window.

[2] The newer double-depth portion is constructed of hand-made bricks set in English garden wall bond with stone quoins.

[2] The scheduled monument is the rectangular island measuring about 66 by 74 metres (217 by 243 ft) forming the moated site of the original hall.

The hall and its associated buildings and infrastructure, fences and gateposts on the north-east of the island are not scheduled, nor is the moat which has been lined with concrete.