As a convict Robert was not granted land when they arrived in Hobart, but Elizabeth was.

When they married he assumed title to  that land by means of his marriage.

This article in the research papers, is focused on Robert Jillett, rather than Elizabeth Bradshaw,  as they did not marry until 1812.
Hobart in the early days in the area of her original home (opposite the Hospital)
Hobart Land Grants
from Tasmanian Archives
Hobart in the 1830's by Kearney
Views from Mount Wellington towards Risden, where Elizabeth had a land grant