The citizen’s advice bureau has a comprehensive website on wills and intestacy:
http://www.citizensadvice.org.uk
A guide to who will inherit under the intestacy rules can be found at:
https://www.gov.uk/inherits-someone-dies-without-will
The government provides a useful guide to making a will:
http://www.gov.uk/make-will
The up-to-date laws of intestacy in England and Wales can be found at:
http://www.justice.gov.uk
For Northern Ireland the up-to-date laws of intestacy can be found at:
http://www.nidirect.gov.uk
For Scotland the up-to-date laws of intestacy can be found at:
http://www.scotland.gov.uk