The British Foreign Ministry source said that London would invite a Korean representative to attend Queen Elizabeth II funeral early next week.
The source said the invitation for North Korea would be at the ambassador level.
British Foreign Ministry officials added that Afghanistan, Syria and Venezuela will not be invited to attend the funeral of Queen Elizabeth II on September 19.
The casket of Queen Elizabeth II was included in the Westminster hall today.
Foreign officials coming to England will be invited to the place where Queen Elizabeth II's casket is placed in the Westminster hall before the funeral begins.
Foreign officials said they wrote about 1,000 invitations to the funeral of Queen Elizabeth II on September 19 and used a party with King Charles III on September 18.
Queen Elizabeth II died on September 8, aged 96 years old, after more than 70 years of reign.
The casket of the Queen of England today was brought from the Buckingham palace to the Westminster hall and was here for 4.5 days.
Queen Elizabeth II will be high on the podium for many days in the Westminster hall in London, protected 24/24 when people visit.
The Memorial Ceremony of Queen Elizabeth II will be made from the castle in Scotland, lasting 10 days and ending at St George chapel.