[3] In 1847 he sold Newstead House to his brother-in-law John Clements Wickham (married to Anna McArthur),[3] the Police Magistrate and Government Resident.
[7] Newstead House was built as a residence by Brisbane's first architect and builder Andrew Petrie for fellow Scottish settler Patrick Leslie; it was soon acquired by Captain John Wickham.
[9][10] The Lysaght Brothers bought the property in March 1898 with the intention to demolish the house and build a factory that produced iron and rabbit-proof wire fencing.
Since the closure of the tram system in 1969 the substation was purchased by the Newstead House Board of Trustees and has been used as a Resource Centre and offices for management staff.
[19] The Australian-American monument in the park is dedicated to the United States service men and women for helping in the defence of Australia during World War II.
[13][14] A playspace featuring an "Alice through the Looking Glass" theme has been developed by the Brisbane City Council is located on the southern side of the park, near Newstead Avenue.