The Home Office does not publish hard copies of the opinion polling results to save expense but they are available electronically online. Results are regularly published on the Department's website and can be found at the following location:
http://www.homeoffice.gov.uk/about-us/publications/our-service-to-you/
Similarly, the results for the UK Border Agency can be found at:
http://www.ukba.homeoffice.gov.uk/sitecontent/documents/aboutus/public-attitudes-surveys/
Results for the Identity and Passport Service can be found at:
http://www.ips.gov.uk/cps/rde/xchg/ips_live/hs.xsl/22htm
The most recent sets of polling results are due to be published in the same locations before the end of the year.