The United Kingdom constitution – a mapping exercise
A briefing paper which "maps" (or summarises) the main elements of the United Kingdom's uncodified constitution.
The Counter-Terrorism and Border Security Bill 2017-19 (HC Bill 219) was published on Wednesday 6 June 2018. Consideration of Lords amendments by the House of Commons is scheduled for 22 January 2019
Counter-Terrorism and Border Security Bill 2017-19 (774KB PDF)
The Counter-Terrorism and Border Security Bill was published on 6 June 2018.
The Government has published Explanatory Notes. The GovUK website has a collection of relevant documents including overarching documents and factsheets.
Library Briefing Paper 7613, Terrorism in Great Britain: the statistics provides relevant statistical information.
The Bill follows the Government’s reviews of its counter-terrorism strategy and of counter terrorism legislation. Part 1 of the Bill would bring in the legislative changes arising from those reviews. Amongst other changes, it would:
Most of the Bill extends and applies to the whole of the UK, but some clauses have more limited application. For example, the provisions on extended sentences in clause 8 apply only in England and Wales. Details of territorial extent are in clause 24 of the Bill and paragraphs 17-25 and Annex C of the Explanatory Notes.
Consideration of Lords amendments by the House of Commons is scheduled for 22 January 2019.
Help for Members of Parliament and their staff
In addition to writing and updating published papers as bills go through Parliament, the House of Commons Library can assist Members of Parliament and their staff with individual enquiries about bills, particularly on the policy background.
The Public Bill Office (PBO) supports public bill committees. The staff working in the PBO can advise Members of Parliament on tabling amendments to bills and on the drafting of Private Members’ Bills.
Counter-Terrorism and Border Security Bill 2017-19 (774KB PDF)
A briefing paper which "maps" (or summarises) the main elements of the United Kingdom's uncodified constitution.
This paper provides a timeline of the major events in the Ukraine-Russia conflict since the 2022 Russian invasion.
The Northern Ireland Troubles Bill 2024-26 was introduced in the House of Commons on 14 October 2025. It was carried over to the 2026-27 session and is due to be considered by a Committee of the Whole House on 19 and 20 October 2026