Ancestry have free access to 1911 Census & WW1 military records over this Easter.
If you sign in and click on...
http://search.ancestry.co.uk/search/gro ... FreeEaster
You also have access to 1901 census.
It may be of interest that I got this information from lost cousins newsletter. Which is free to subscribe to and I always find something interesting in it.
http://www.lostcousins.com/newsletters/easter14news.htm