The proximity to the Nepean River and South Creek qualifies it as a key area for food resources for indigenous groups.

Situated on fertile floodplains and well known for its abundant agriculture, Green Hills (as it was originally called) supported the colony through desperate times.

[1] The original Methodist Church on the site, built in 1838–39, was destroyed by a disastrous fire which ravaged this part of the town in 1894.

It is built of rendered brick with Gothic detailing, consists of nave, vestry and porch, and has a steep slate roof.

[1] The church yard comprises land fronting Fitzgerald and Macquarie Streets, and O'Briens Lane to the south.

A retaining wall faces Macquarie Street, with lawn on its raised surface, on which the site's built elements sit.

[1] The group is considered to be an important item of the State's environmental heritage because of its historic and social associations with the development of the town of Windsor.

[1] Windsor Uniting Church and Hall was listed on the New South Wales State Heritage Register on 2 April 1999.