The following date-based events are associated with this building:
event classic
| Event Type | From | To | Notes |
| 1850 | | Original building |
| 1873 | 1875 | Northeast extension |
| 1894 | | Mill Lane block heightened (architect not known) |
| 1898 | 1903 | Large Renaissance-style nurses' home to south, built to commemorate the Diamond Jubilee |
| 1926 | | Alterations; new nurses' home; new outpatients' department; new casualty department |
| 1934c | | Reconstruction; new paying patients' and eye wards; additional nurses' home and maids' home |
| Survey | 1984 | | Fire precaution survey |