This file contains the digital vector boundaries for Middle Layer Super Output Areas for England and Wales as at 31 December 2011.
The boundaries available are:
Full resolution - extent of the realm (usually this is the Mean Low Water mark but in some cases boundaries extend beyond this to include off shore islands);
Full resolution - clipped to the coastline (Mean High Water mark);
Generalised (20m) - clipped to the coastline (Mean High Water mark);
Super generalised (200m) - clipped to the coastline (Mean High Water mark.
Contains both Ordnance Survey and ONS Intellectual Property Rights.
Download File Sizes
Full resolution - extent of the realm (191 MB)
Full resolution - clipped to the coastline (185 MB)
Generalised (20m) - clipped to the coastline (10 MB)
Super generalised (200m) - clipped to the coastline (2 MB)