Because an agreed composite indicator of access to affordable good-quality housing is not available, the section looks at access, affordability and quality separately. Section 2.1 looks at access discussing the financial and legal arrangements under which households occupy their home - known as housing tenure - and how they relate to the socio-economic characteristics of the occupants, this section also discusses homelessness, i.e. lack of regular access to housing. Section 2.2 measures housing affordability and section 2.3 housing quality, relating them to housing tenure and other socio-economic characteristics of the occupants.