The southern Perth suburb of Applecross has recorded the worst performance of any Australian suburb on rental returns over the past year, falling 38 per cent.
The average weekly rent in Applecross in 2009 was $1250 a week but that has fallen to $900 according to RP Data's quarterly rental review.
Other suburbs in Perth recording poor rental returns were Attadale (down 19.7 per cent), Nedlands (down 16 per cent), Floreat (down 14.1 per cent), Mt Claremont (down 11.8 per cent) and City Beach (down 10.9 per cent).
Perth suburbs to record growth in rental returns include Carine where the median rent has increased from $490 a week in 2009 to $585 a week in 2010.
The median weekly rent also increase in Booragoon (up 16.8 per cent) and Noranda (up 18.4 per cent).
RP Data research analyst Cameron Kusher said rentals in Sydney, Melbourne and Perth had been flat.
"Interestingly, of the capital city suburbs which have recorded the greatest fall in median weekly rents over the last year, 20 of the 40 suburbs detailed have a current median house price in excess of $1 million," said Mr Kusher.
"The remaining 20 suburbs are characterised as mostly having median prices in excess of the capital city median price," he said.