Sydney median price for one bedroom units was $737,500 for 2020 Dozens of units for sale in inner Sydney for between $170,000 and $300,000 Internal sizes vary between 17 square metres up to 40 square metres A standard single garage is around 20 square metres, and a double is 36sqm Many require the owner to be the full-time student or rent to a student Agents claim very small units are difficult to get a home loan for Many also have a shared kitchen and laundry and are in need of renovation