The location of Nik’s place is excellent - walking distance to Northbridge, Perth city, Hyde Park, Highgate, etc.
Rika was a thoughtful and helpful host, communicating thoroughly, setting up a cot and high chair for us, etc.
A word of warning, though: the air-conditioning is only in one bedroom and one living area. Our stay coincided with a string of very hot days, and we really struggled to sufficiently cool the rest of the house. No doubt, it would have made for a comfortable stay at another time of year (or even if we didn’t need to use the 2nd bedroom or the kitchen), but it didn’t for us in Summer with a toddler.