This report was submitted to the 72nd session of the Committee on the Elimination of Discriminations Against Women (CEDAW), for the review of the United Kingdom (UK). It elaborates on concerns brought to the attention of the pre-sessional Working Group of the CEDAW Committee in July 2018, with updated information and recommendations. A copy of the report “Assessing UK Government Action on Women, Peace and Security in 2018”, by GAPS UK, a network of which WILPF UK is a member, is also provided as an Annex to this shadow report. WILPF UK has also made a joint submission with Christian Aid that focuses on the impact on women’s rights of the UK’s arms transfers, military spending and upgrading of its nuclear program.