Here are some links to helpful organisations:

Age UK
Alcoholics Anonymous
Alcohol Concern
APNI (Association for Post Natal Illness)
BACP (British Association for Counselling & Psychotherapy)
Bullying UK
Cruse Bereavement Care
Childline
Macmillan Cancer Support
Mind Crisis Help
NAT (HIV support)
National Centre for Eating Disorders
Only Dads (single dads)
Only Mums (single mums)
Refuge (domestic abuse helpline)
Relate
Samaritans
Talk to Frank (drugs advice)
Terence Higgins Trust (HIV & sexual health)
Women’s Aid