The conventional view is that insecurity of land tenure results from the lack of a registered title deed which records the property rights of occupants of land or housing.
Even where communities are mixed, many inner-city families go to extraordinary financial and geographic lengths to ensure their children do not go to school with children from 'the flats'.
One in seven Australian households is in a state of housing need. A shortfall in social housing supply means some are locked out of the market and others pay much more for rent than they can afford.
Social housing can certainly have heritage significance. Over more than 100 years, it has been shaped by contemporary architectural and political ideas, sometimes in an exemplary way.
Mixing public and private housing in urban renewal projects can be a contentious business. But public good and optimal use of public resources, not developer interests, should guide such decisions.
Since the 1990s, the supply of deeply subsidized housing has decreased as the US population and need for housing have increased. Trump's proposed cuts to HUD won't help.
Concerns about the privatisation of public housing estates should not blind us to the benefits of the transfer of public housing to the not-for-profit community housing sector.
Grenfell Tower residents tragically got the world's attention only after a disastrous fire. So what would public housing residents in Australia say about their living conditions?
Why can't the state fund an ongoing program of upgrading, replacing and building public housing? On the evidence to date, private developers aren't doing a better job of it.
The last 24 public housing tenants holding out against eviction from Millers Point, Dawes Point and the Sirius Building still hope the government may show some compassion.
The budget is pushing for a much-needed reboot of the social housing sector. What it isn't offering is extra funding to renew and expand run-down housing stocks.
The bond aggregator by itself cannot create a housing development pipeline. It needs co-investment from government to make it feasible.
In the second part of our review of what The Conversation experts have to say about housing, we focus on affordability, social housing and what government can do about a growing crisis.
Victoria has been lagging behind other states in developing an affordable housing strategy. Now that one has been released, how well does it meet the needs of households on lower incomes?
Although the federal-state agreement does it inadequately and lacks transparency, an enduring program of federal funding for operational expenses is essential to sustain the social housing system.
Housing affordability is often not the only problem households face. More often the compounding effects of multiple problems leave people unable to cope, which is why one solution won't work for all.
The affordability crisis in regional Australia has a long history. In some places the problem is even worse for residents than in the capital cities.
The need for new housing solutions for these low-income groups is clearly a pressing requirement.
The report's stated goal is to make the social housing system work better. It does not present as a manifesto for an entirely marketised and deregulated framework driven by the profit motive.
The state is ignoring historical, social and moral reasons to keep public housing in Heritage areas of Sydney. Its sell-off will further divide the city between rich and poor and end a rich history.