There is also now a benefits advice service run by the National Autistic Society :
Contact them via email >>
welfarerights@nas.org.uk
via telephone Monday-Friday 10am-4pm or write to :
NAS Welfare Rights,
NAS,393 City Road,
London EC1V 1NG
This is well worth looking into,you may be suprised at what is available,1000's of people a year miss out on money that they are legally entitled to simply because they do not know it is there.