The conditions of the Australian rental market have become ideal for many renters, with the unit segment hitting its biggest decline in rents in 15 years, according to a report from Domain.

Unit rents went down by 3.2% over the June quarter to $447. Rents for houses also fell, albeit at a more controlled rate of 1.2% to $446.

"The rental market has become highly fragmented in recent months. With weaker conditions for units compared to houses, tenants have a better chance of nabbing a cheaper unit," said Nicola Powell, senior research analyst at Domain.

The decline in unit rents can be attributed to the sharp fall in Hobart, which recorded an 8.4% rent drop to $380.

Unit rents in Sydney, Melbourne, Brisbane, and Canberra also declined, while remaining flat in Adelaide, Perth, and Darwin.

House rents in five capital cities also declined, with Hobart also posting the biggest decrease at 4.3%. Sydney, Adelaide, and Darwin maintained their house rents from the previous quarter.

"Rental prices fell across most major capitals, illustrating no city was immune from the impact of coronavirus, with Sydney and Hobart units recording the steepest quarterly fall on record," Powell said.

The table below shows the quarterly changes in rents in both housing segments across capital cities: