Families and Friends of Lesbians and Gays is a continually growing national voluntary organisation and registered charity with more than 40 telephone helplines across the UK and parents' groups which hold regular meetings.
Has a large list of local parents groups, a quarterly newsletter (subscription costs £8) and various guides for download, including:
How do i tell my
parents?
A Guide For Families
& Friends Of Lesbians & Gays