Rory Hearne, Assistant Professor of Social Policy at Maynooth University, says its problematic, with the social housing stock then being lost.
New rules that kick in this month are expected to help low-income tenants in Kildare make a start on the route to home ownership.
Changes are being made to the Incremental Tenant Purchase Scheme that include replacing the previous income limit.
But Rory Hearne, Assistant Professor of Social Policy at Maynooth University, says its problematic, with the social housing stock then being lost.