Sex Therapy. Our Psychotherapists in Watford offer psychosexual therapy for couples or individuals. We work with heterosexual, homosexual, bisexual individuals and couples of all ages. The initial assessment enables the sex therapist to identify the physical, psychological and relational aspects of sexual problems. Watford Hertfordshire WD17 2QN United Kingdom. Services offered. Relationship Counselling; Sex Therapy; Family Counselling. Phone. Email.