Around 13,000 British nationals visit Brunei every year (source: Brunei Immigration). Most visits are trouble free.
Although there’s no recent history of terrorism in Brunei, attacks can’t be ruled out. See Terrorism
Crime levels are low, but there are occasional incidents of petty crime against tourists. See Crime.
To contact the emergency services call Royal Brunei Police Force 993, Ambulance 991, Fire 995 or Search and Rescue 998.
If you’re abroad and you need emergency help from the UK government, contact the nearest British embassy, consulate or high commission. In Brunei the consular contact number is +673 2222231 option 2.
Take out comprehensive travel and medical insurance before you travel.