| Year | Occupied | Vacant | Under Construction |
|---|---|---|---|
| 1841 |
7
|
0
|
0
|
| 1851 |
7
|
0
|
0
|
| 1881 |
6
|
1
|
0
|
| 1891 |
7
|
1
|
0
|
| 1901 |
7
|
0
|
0
|
| 1921 |
8
|
||
| 1931 |
12
|
||
| 1951 |
7
|
||
| 1961 |
3
|
A vision of Britain through time
A vision of Britain from 1801 to now.
Including maps, statistical trends and historical descriptions.