evidence: The Holyland area and HMO housing The Holyland area has the highest proportion of houses in multiple occupation (HMO) in Belfast. [...] A spokesman for Belfast City Council told BBC News NI this type of accommodation makes up 48% of the properties in the area, with their being 1,061 HMO properties and 197 HMO properties which are currently going through renewal, out of a total of 2,643 residential units.