Houses of Parliament
- Tracy Brabin (Labour) was elected as the new MP for Batley & Spen.
- Robert Courts (Conservative) was elected as the new MP for Witney.
- Intelligence and Security Committee of Parliament – Richard Benyon and David Hanson appointed as members.
- Culture, Media and Sport Committee – Damian Collins elected as Chair.
- Exiting the European Union Committee – Hilary Benn elected as Chair.
- Home Affairs Committee – Yvette Cooper elected as Chair.
- Science and Technology Committee – Stephen Metcalfe elected as Chair.
- International Trade Committee – Angus MacNeil elected as Chair.
- Finance Committee - Rosie Winterton appointed as a member.
Government departments
- Department for International Development: Lord Bates appointed as a Minister of State.
- Department for Culture, Media and Sport: Royal Armouries Board - Mark Urban reappointed as Trustee; Matthew Gould appointed as Director-General for Digital and Media.
- Northern Ireland Office: Equality Commission - Eileen-Chan-Hu; Duane Farrell; Helen Ferguson and Jarlath Kearney appointed as members.
- Department for Transport: Maritime and Coastguard Agency – Michael Parker appointed as Non-Executive Chair.
- Department for Education: Richard Atkins to replace David Collins as Further Education Commissioner.
- Foreign and Commonwealth Office: Philip Hall has been appointed Her Majesty's Consul-General to Jerusalem.
National Assembly for Wales
- Lord Elis-Thomas has left the Plaid Cymru assembly group.
- Constitutional and Legislative Affairs Committee – Dai Lloyd appointed as a member, replacing Lord Elis-Thomas.
- Standards of Conduct Committee - Llyr Gruffyd appointed as a member, replacing Lord Elis-Thomas.
Local Authorities – by-election Results 20th October
- Bracknell Forest Council – Gaby Kennedy elected for Central Sandhurst – Conservative hold.
- Braintree District Council – Diana Garrod elected for Bumpstead – Conservative hold.
- Braintree District Council – Bill Edwards elected for Witham North - Labour gain from Conservative.
- Conwy Council – Alan Hunter elected for Abergele Pensarn – Independent gain from Labour.
- East Riding of Yorkshire Council – Denis Healy elected for St Mary’s – Liberal Democrat gain from Conservative.
- Kettering Borough Council - Cedwien Brown elected for Rothwell – Conservative gain from Labour.
- King’s Lynn & West Norfolk Borough Council – Terry Parish elected for Heacham – Independent gain from Conservative.
- Medway Council – Josie Iles elected for Strood South – Conservative gain from UKIP.
- Middlesbrough Council – Matthew Storey elected for Central – Labour hold.
- Neath Port Talbot - Carolyn Edwards elected for Blaengwrach – Plaid Cymru gain from Labour.
- St Alban’s Borough Council - Ellie Hudspith elected for Clarence – Liberal Democrat hold.
- Weymouth and Portland Borough Council – Tony Ferrari elected for Wey Valley – Conservative hold.
Industry & interest groups
- Business in the Community – Amanda Mackenzie became Chief Executive.
- Cystic Fibrosis Trust – David Ramsden to replace Ed Owen as Chief Executive.
- HS2 Ltd – Roy Hill appointed as Interim Chief Executive.
- National Police Chiefs' Council - Neil Basu has been appointed as the new Senior National Coordinator for Counter-terrorism Policing, replacing Helen Ball.
- International Dairy Federation – Judith Bryans elected as President
- Danone UK and Ireland – Caroline Winters appointed as Head of Public Affairs and Government Relations.