Here are some links to single bedroom dwellings that are for sale. There are many of them in the inner city area and are a popular choice and fetch good prices.
http://www.realestate.com.au/property-house-wa-west+perth-116924455
http://www.realestate.com.au/property-townhouse-wa-crawley-117175423
http://www.realestate.com.au/property-townhouse-wa-west+leederville-117039119
Sold ones
http://www.realestate.com.au/property-townhouse-wa-subiaco-114029819
http://www.realestate.com.au/sold/p...bedrooms-in-6003;+6005;+6008/list-2?maxBeds=1
http://www.realestate.com.au/property-house-wa-west+perth-116924455
http://www.realestate.com.au/property-townhouse-wa-crawley-117175423
http://www.realestate.com.au/property-townhouse-wa-west+leederville-117039119
Sold ones
http://www.realestate.com.au/property-townhouse-wa-subiaco-114029819
http://www.realestate.com.au/sold/p...bedrooms-in-6003;+6005;+6008/list-2?maxBeds=1