Houses of Parliament
- House of Lords: Baroness Sharples (Conservative, life peer) retired on 18 December; Lord Condon (Crossbench, life peer) retired on 21 December.
- House of Commons: Joint Committee on Human Rights – Alex Burghart replaced Mark Pritchard as a member; Regulatory Reform Committee – Simon Clarke replaced Mark Menzies as a member.
Government departments
- Department for Digital, Culture, Media & Sport: Charity Commission – Kenneth Dibble to join the board as a member in March.
- Department for Business, Energy & Industrial Strategy: Committee on Radioactive Waste Management – Laurence Williams stood down as chair; Medical Research Council – Fiona Watt selected as the preferred candidate to become executive chair in April.
- Ministry of Justice: European Union Fundamental Rights Agency – Charles Banner has been appointed as the UK independent member of the management board.
- Department for Environment, Food and Rural Affairs: Joint Nature Conservation Committee – Melanie Austen, Charles Banner and Marian Scott appointed as independent members.
- UK National Infrastructure Commission: Andrew Adonis stood down as chair.
Parties
- Scottish Labour Party: Lesley Laird named as interim deputy leader
Shadow Cabinet reshuffle
- Iain Gray reappointed as shadow cabinet secretary for education, skills and science.
- Claudia Beamish reappointed as shadow cabinet secretary for environment, climate change and land reform.
- Jackie Baillie reappointed as shadow cabinet secretary for the economy, jobs and fair work.
- Anas Sarwar appointed as shadow cabinet secretary for health and sport (previously spokesperson for health).
- Rhoda Grant appointed as business manager and spokesperson for women and equality (previously spokesperson for rural economy and connectivity).
- Claire Baker appointed as shadow cabinet secretary for culture, tourism and external affairs (previously spokesperson for justice).
- James Kelly appointed as shadow cabinet secretary for finance and the constitution (previously parliamentary business manager; minister without portfolio).
- Daniel Johnson appointed as shadow cabinet secretary for justice (previously shadow minister for education).
- Colin Smyth appointed as shadow cabinet secretary for rural economy and connectivity (previously shadow minister for health; whip).
- Monica Lennon appointed as shadow cabinet secretary for communities, social security and equalities (previously shadow minister for inequality working across health and education portfolios.).
- Elaine Smith appointed as shadow cabinet secretary for the eradication of poverty and inequality (previously backbench).
- Neil Findlay appointed as shadow cabinet secretary for Brexit, campaigns and party engagement (previously backbench).
Devolved Authorities
- Scottish Parliament: Alex Rowley had the Scottish Labour whip reinstated.
- Welsh Government: Welsh Tribunals – Wyn Williams appointed as the first president.