CoR - UK Social

Central

UK Central Government, through a variety of UK bodies, is responsible for:

social security
family law (for which England and Wales have a common system in most domains)
developing government housing policy in England (Ministry of Housing, Communities and Local Government)
operating the welfare system, including system reviews, the Carer's Allowance, Attendance Allowance, Disability Living Allowance (DLA), Personal Independence Payment (PIP) and unemployment benefits (through the Department for Work and Pensions) (some partly managed by the Scottish government)
National Insurance (through HM Revenue & Customs, the Department for Work and Pensions, HM Treasury and Ministry of Defence)
health-care and social services through the Department of Health & Social Care and the National Health Service.

Regional

The Scottish government is responsible for:

implementing family law (passed by the Scottish Parliament)
promotion of social inclusion
aspects of equal opportunities relating to Scottish public authorities
aspects of social care (support for children, young people and adults who need extra support)
housing and regeneration
the Social Security Scotland agency

some social security benefits: certain benefits and aspects of universal credit. The Social Security (Scotland) Act 2018 introduced new powers in this domain

ill health and disability benefits
the Carers Allowance
the Best Start Grant (for parents of young children)
funeral expense assistance
Discretionary Housing Payments (support for housing costs)
an extension of winter fuel payments
health and social care integration.

The Welsh government, is responsible for:

implementing social welfare legislation (passed by the Welsh Senedd), including social services;
housing, including social housing management
the protection and well-being of children, including some adoption and fostering;
care of children, young adults, vulnerable and older people, including care standards
welfare advice service to courts
parking permits for disabled people.

The Northern Ireland Executive is responsible, through inter alia the Departments for Communities and for Justice, for:

implementing family law (passed by the Northern Ireland Assembly0)
implementing social security legislation (passed by the Northern Ireland Assembly)
social services
benefits, pensions and child support
equal opportunities
family law.

Local

Local authorities are responsible for:

promoting social inclusion, including devising and implementing social care measures
delivering care for elderly or mentally handicapped people
delivering care for children
providing and maintaining local authority housing.

In Scotland, specifically, councils are responsible for administering the Scottish Welfare Fund, Universal Credit and the Discretionary Housing Payment.

In 2016 the Scottish Parliament passed legislation bringing together health and social care under 31 integration authorities, providing adult community health and social care services. Other services may also be integrated, such as children's services, homelessness and criminal justice, where local authorities so wish.

Welsh local government is responsible for social services such as caring for and protecting children, people with mental health needs, older people and disabled people, and providing adoption services.

In Northern Ireland, councils work in Community Planning Partnerships with other bodies to develop and carry out shared plans for promoting the well-being of an area, improving community cohesion and quality of life for all.

Responsible ministries/bodies

UK Department for Work and Pensions

UK Department of Health and Social Care

UK Ministry of Housing, Communities and Local Government

HM Revenue & Customs

HM Treasury

UK Ministry of Defence

Devolved governments of the United Kingdom

Social Security Scotland (executive agency of the Scottish Government)

Public Health Scotland (NHS Scotland's national special health board - set up 2020)

Northern Ireland Department for Communities

Northern Ireland Department for Justice