35% of landlords were between the age of 55 to 64 years
there is no such claim that all were merely renting out an extra room.
It's more fruitful to look at the landlord power distribution of number of properties per landlord and cast those renting two or more houses toward the "(small a) aristocrat" category .. with those renting out multiple million dollar plus houses in dense inner city upscale suburbs likely being very well heeled.
While it is asserted in your link that:
there is no such claim that all were merely renting out an extra room.It's more fruitful to look at the landlord power distribution of number of properties per landlord and cast those renting two or more houses toward the "(small a) aristocrat" category .. with those renting out multiple million dollar plus houses in dense inner city upscale suburbs likely being very well heeled.