| 1880-1883 | 4 Denmark Street | Finsbury |
| 1890-1892 | 4 Denmark Street | Finsbury |
| 1893 | 4 Denmark Street | Finsbury |
| 1894 | 4 Denmark Street | Finsbury |
| 1895 | 4 Denmark Street | Finsbury |
| 1918-1920 (Spring) | 36 Devonshire Street | Holborn |
| 1920 (Autumn) | 36 Devonshire Street | Holborn |
| 1919 (Spring) | 26 Devonshire Street | Holborn |
| 1920 | 26 Devonshire Street | Holborn |
| 1922-1926 | 36 Devonshire Street | Holborn |
| 1928 | 36 Devonshire Street | Holborn |
| 1929-1933 | 36 Devonshire Street | Holborn |
| 1934-1939 | 35 Boswell Court | Camden |
| 1945-1948 | 35 Boswell Court | Camden |
| 1950-1954 | 35 Boswell Court | Camden |
| 1955 & 1956 | 35 Boswell Court | Camden |