I am assuming the Question is referring to the number of houses in the ownership of Approved Housing Bodies (AHBs). While my Department does not record details of the number of houses owned by each AHB, details relating to the number of accommodation units they have delivered using funding provided under my Department's Capital Assistance Scheme, Capital Advance Leasing Facility and the Capital Loan and Subsidy Scheme, are available on my Department's website at the following link: http://www.housing.gov.ie/housing/social-housing/social-and-affordble/overall-social-housing-provision.