You must arrange any visit to Bhutan through an authorised travel agent well in advance. See Entry requirements.
Britain is represented in Bhutan by an Honorary Consul. Consular support is not available from the British government in Bhutan. However, the British Deputy High Commission in Kolkata, India can provide consular support to British nationals.
Car and motorbike accidents are one of the biggest causes of injury and death overseas. If possible, avoid travelling at night. Always travel in a well-maintained vehicle with seatbelts. See Safety and security
Although there’s no recent history of terrorism in Bhutan, attacks can’t be ruled out. See terrorism
In Bhutan you should take local law and customs seriously. If in doubt, you should take advice from your tour guide. See Local law and customs
Take out comprehensive travel and medical insurance before you travel.