Research
Browse by topic, from Brexit and the EU to world affairs. We produce in-depth analysis on legislation, debates and topical issues.
We provide research, analysis and a range of print and online resources to support Members of the Lords and the work of the House
Authoritative research covering all major bills and debates
Browse by topic, from Brexit and the EU to world affairs. We produce in-depth analysis on legislation, debates and topical issues.
Access our print and online collections, including books, journals and newspapers. Available with a parliamentary login.
Explore interactive data visualisations about the House of Lords. Includes data on current membership and regional representation.
The Library marks its 200th anniversary in 2026. Browse the associated Royal Gallery display, view our celebratory video and read more about our history.
Read the most recent research on legislation, debates and topical issues
The UK is one of the few democratic countries that does not have a codified constitution. Instead, the UK has a set of constitutional arrangements contained in various statutes, judicial decisions, conventions and precedents. The prime minister, Andy Burnham, has said his devolution agenda strengthens the case for a written constitution. This briefing summarises some of the arguments that have been made for and against a written constitution.
Puberty blockers as a treatment for gender incongruence or dysphoria are currently only available for people under the age of 18 as part of an approved clinical trial. NHS England has also paused prescribing cross-sex hormones for people under 18. This briefing summarises the policy position on the use of hormone treatments ahead of a debate in the Lords on the appropriate age of consent.
The UK and the EU have agreed a treaty that would create a new framework for Gibraltar’s relationship with the EU following the end of the Brexit transition period at the end of 2020. The arrangements are aimed at creating a fluid land border between Gibraltar and Spain. The treaty has been provisionally applied by the parties since 15 July 2026.
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