Gundayne House is a heritage-listed residence at 9 Lowes Lane, off The Bucketts Way, Booral, Mid-Coast Council, New South Wales, Australia.

It received a grant of one million acres (400,000 ha) in New South Wales and subsequently set up its first colony at Carrington on the northern shores of Port Stephens in January 1826.

The township of Booral developed as an agricultural service town within the company's most important crop growing areas.

[1] In 1981 Great Lakes Shire Council received an application for subdivision of land for the purpose of purchasing and restoring Gundayne House.

[2][1] Gundayne is a two-storey residence of symmetrical design, built in approximately 1860 on land purchased from the Australian Agricultural Company.

The land visually associated with the residence is bounded by the main road to the west, a lane to the south and a creek to the east and north and is approximately four hectares in area.

[2][1] Gundayne House was listed on the New South Wales State Heritage Register on 2 April 1999 having satisfied the following criteria.

[2][1] The place is important in demonstrating aesthetic characteristics and/or a high degree of creative or technical achievement in New South Wales.