The level of tension on the Korean peninsula can change with little notice. See Political situation.
British nationals resident in or travelling to the DPRK who are not with tour groups should inform the British Embassy in Pyongyang about their travel plans prior to, or on arrival.
You can’t enter or leave North Korea through the border with South Korea without special permission.
The British Embassy Pyongyang can provide only limited consular assistance to those visiting parts of the DPRK outside the capital Pyongyang due to restricted access.
Flooding is common in the rainy season (July to August). See Natural Disasters.
There is a low threat from terrorism. See Terrorism
Very few British nationals visit North Korea and those that do are usually part of an organised tour. Most visits are trouble-free. However, the North Korean authorities have arrested other legal visitors, including 3 US citizens during recent years.
Take out comprehensive travel and medical insurance before you travel.