The development at Clongriffin will be the biggest single State housing project in decades.

The development at Woodbrook, which will have access to new Dart station, will include 102 one-bed and 226 two-bed homes

Shanganagh Castle Estate in Shankill, Co Dublin, was delivered by the Land Development Agency (LDA) and Dún Laoghaire-Rathdown County Council

The 547 new homes across five counties will be provided at rents a minimum of 25 per cent below market rates

The developments will be built in areas throughout Dublin, including Charlestown, Tallaght, Clonburris and Donaghmede