Steven Matthews (Wicklow, Green Party) | Oireachtas source

At those committee sessions, we saw figures from UCD or Technological University Dublin - I cannot remember which did the research - suggesting that there were probably up to 4,000 units available between the canals in the upper second or third floors on commercial streets. Why has it not been done? If this were simple and affordable, it would have been done a long time ago. Are those regulatory issues a barrier?