The Scottish House Condition Survey report Information on Scottish Housing Quality Standard failure rates and support for secondary analysis July 2004, estimated the number of properties currently failing the Scottish Housing Quality Standard in the social rented sector to be 456,000 (310,00 public sector and 146,000 registered social landlord). Social Landlords in Scotland have also prepared Scottish Housing Quality Standard Delivery plans to show how they will achieve the standard by 2015, these plans will provide further up-to-date detail on numbers and costs and are currently being assessed and validated by Communities Scotland.