- Create a new map of parliamentary constituencies.
- Alter the number of constituencies and permitted variation from quota.
- New - options to create a plan for all English wards (may be slow to download) and for London using polling districts as building blocks.
- Selected Key Statistics from the 2011 Census for England and Wales.
- Includes more detailed maps and data than the previous version on this site.
- Lists the top 20 wards regionally and nationally within each classification.