After the Japanese victories over China and Russia , which earned the Empire of Japan status as a great power , the British Legation in Tokyo was upgraded to an embassy in 1905 . After the 1923 Great Kantō earthquake caused extensive damage to the chancery , plans for a second building were carried out by the Ministry of Works , and a new chancery , the present building , came in use in 1929
1923 Great Kantō earthquake
1923 Great Kantō earthquake
British Embassy, Tokyo