The Foreign, Commonwealth & Development Office announced on 3 August 2026 that Ms Mel Barlow had been appointed British High Commissioner to Brunei Darussalam. The department said she would take up the appointment during September 2026.

According to the published career history, Barlow has been His Majesty's Ambassador in Vientiane since 2023. She was Deputy Ambassador and Consul General in Kathmandu from 2022 to 2023, and previously held roles at the Foreign Office covering consular strategy, trade negotiation and South Asia, including as head of the India and Nepal team.

Her earlier postings include Seoul as Trade Policy and Economic Diplomacy Counsellor from 2015 to 2018, and two periods at the embassy in Tokyo. She joined the Foreign and Commonwealth Office in 2002.