They want 334 homes on the land, rather than 100 homes.
The Corporate Housing Alliance has lobbied several TDs and Department of Housing officials in recent months in relation to short-term letting regulations.
Plans to build Traveller accommodation on land on Mount Anville Road date back more than 30 years, but no construction has ever started. A recent valuation has muddied the waters even more.
Eleven people are squeezed into a two-bed owned by Dublin City Council. Meanwhile, there are just three people living in a council-owned five-bed.
Tackling racism, delisting Mercer House, and allowing companion pets were among the issues discussed at a meeting of Dublin City Council’s housing committee.
At a meeting on Monday, councillors discussed a plan to build 107 new apartments in Rathgar, offering free wifi into one of the urban villages in the city’s south-east area, and more.