The majority of Coolock, excluding Ayrfield, was built-up by the then city authority, Dublin Corporation, as part of a programme of phased inner city slum clearance (between, roughly, 1952 and 1987) .
The permanent Traveller halting site estates (which differ in layout to traditional halting sites) of Cara Park and Dominick Park, found in the Belcamp area (along the N32) are among the largest halting site facilities provided by local authorities in Ireland.