I found this information on the PLA's new feed on twitter @under5mag ...recently set up
This is the tweet:
'Government has made "no assessment of the average cost" of setting up a childminding or nursery business' with this link to a question posed by Lucy Powell MP (a cms supporter and dead against agencies!)
Children: Day Care: 13 Jun 2013: Hansard Written Answers and Statements - TheyWorkForYou