The gates terminate the view from the hall across the lawns, an early and rare example of 18th century parkland design by Stephen Switzer, and a Grade I listed landscape of national significance.

[a] After protracted litigation with his father, Wynne secured control of the mine, embarked on a political career,[2] and spent some £40,000 on building a house and estate befitting his new status.

He was later nearly ruined by falling receipts from his mines, and lavish expenditure on his estate, spending some time incarcerated as a debtor in the King's Bench Prison.

[5][6] In the late 18th century, the house was in the possession of the Reverend Hope Eyton,[7] whose descendants were still resident in the early 1980s.

The interior contains some 18th century plasterwork and fireplaces, but most of the decoration, including an imperial staircase dates from the Regency era.

[10] The park at Leeswood Hall is of "national importance" as an early 18th century landscape designed by Stephen Switzer.

[7] The Black Gates in situ as at 2020 are not original, these having been re-sited to a building called The Tower on the outskirts of Mold.