The stable block to the north-west of Heaton Hall was designed by Samuel Wyatt. It is in red brick with sandstone dressings and hippedslate roofs, and has a U-shaped plan with a main range and receding wings. The main range is symmetrical and has a two-storey three-bay central entrance block with an archway over which is a Diocletian window. The flanking bays are pedimented, and on the roof is an octagonal clock turret. From the central block are single-storey wings leading to two-storey coach houses with doors and Diocletian windows above. Most of the windows are tilting casements.[4][6]
A gateway at the southwest entrance to Heaton Park, it is in sandstone, and was designed by Lewis Wyatt. The structure consists of a round-headed archway flanked by paired Doric three-quarter columns, with impost bands, and a scrolled keystone. The entablature includes a mouldedcornice, and a parapet with a panelled upstand. At the sides are single-storey flat-roofed lodges with lunettes in the returns, and the gateway is flanked on both sides by curved walls.[2][7]
A country house that was remodelled between 1772 and 1789 by James Wyatt. Further additions were made in 1823 by Lewis Wyatt, and the building has since been used as a museum and art gallery. It is built in sandstone with dressings in Coade stone and hippedslate roofs, and is in Palladian style. The south front consists of a long symmetrical range and has a central block with two storeys and five bays, the central three bays forming a two-storey bow window. The central block is flanked by single-storey, seven-bay wings containing colonnades, linking with single-storey octagonal pavilions. Steps, flanked by statues of a lion and a lioness, lead up to the central bow window, which has giant Ionic columns and pilasters, a guillochéstring course, a frieze, a blocking course, and a cornice; the windows are sashes. Each outer bay contains a blind Venetian window on the ground floor, and a sash window above. In the north front are seven bays, a central pediment, and a tetrastyleportico.[8][9]
Originally the head gardener's cottage, it is in red brick with a slate roof. There are two storeys, and the building is in two parts, with the dwelling to the west and a store to the east. The dwelling faces south and has three bays, a round-headed doorway with quarter columns and a fanlight, and sash windows with wedge lintels. The other part faces north and has an arched doorway and casement windows.[10]