Core law on children's welfare. Section 17 requires local authorities to accommodate children in need (homeless, abused, unable to live with parents).
Regulates landlord-tenant relations. Section 116 prohibits eviction without a court order—applies to all tenants, including children.
Amended the above acts, adding duties to prevent/relieve homelessness and support homeless families with children.
This area is complex and evolving; consult a housing lawyer or Citizens Advice for specific situations.