The United Kingdom voted in favour of this resolution as a critical step towards the implementation of the Peace Plan for Palestinians, Israelis, and the region: UK Explanation of Vote at the UN Security Council

https://www.gov.uk/government/speeches/the-united-kingdom-voted-in-favour-of-this-resolution-as-a-critical-step-towards-the-implementation-of-the-peace-plan-for-palestinians-israelis-and