An overall excellent stay.
Pros
Clean Airbnb
Washer/drier works well
Lots of little details; North America travel adaptor in plugs, crib/sound machine for babies, etc
Well stocked pantry/kitchen
10 minute walk to Kings Cross (close but need to factor walking time)
Host communicates very promptly
Check in/out is very smooth
Cons: none really that are serious
Wifi is very slow in master bedroom, consider stronger router
The tube runs under the house so just keep this in mind if you are a light sleeper (rumbling sound regularly)
Mold noted in laundry detergent loading area