Located within St Bernard’s Hospital in Ealing, Three Bridges Medium Secure Unit provides secure services for men with complex mental health conditions who pose a risk to themselves or others. The unit focuses on psychological, occupational, and rehabilitative therapies designed to improve mental health and personal functioning, ultimately aiming to reintegrate patients safely into the community. The unit operates under the principles of therapeutic engagement, mental health improvement, risk reduction, and meaningful occupation, offering a supportive and structured environment for recovery.

Three Bridges Medium Secure Unit offers a range of specialized services including:

• Psychological Therapies: Individual and group therapy sessions focused on mental health recovery and relationship building.
• Occupational Therapy: Activities aimed at developing vocational skills and improving daily living abilities.
• Rehabilitation Services: Comprehensive support to prepare patients for eventual discharge into less secure environments or community settings.
• Medical and Physical Healthcare: Ongoing medical care to manage both mental and physical health needs.
• Educational and Vocational Training: Opportunities for patients to engage in educational and job-related activities, enhancing their skills for future community integration.

The unit adheres to rigorous quality assurance standards set by the Care Quality Commission (CQC). Regular inspections and audits ensure compliance with safety, effectiveness, and patient care protocols. The unit's focus on continuous improvement and patient feedback helps maintain high standards of care and address any areas needing enhancement​

The vision and mission of Three Bridges Medium Secure Unit are aligned with those of the West London NHS Trust: to provide high-quality, compassionate care to individuals with severe mental health disorders. The unit aims to enhance the quality of life for its patients through evidence-based treatments and rehabilitative services, promoting recovery and facilitating safe reintegration into the community. The focus is on delivering patient-centered care that respects the dignity and individuality of each patient

Three Bridges Medium Secure Unit is recognized for its excellence in forensic mental health care. It has been positively evaluated by healthcare regulators, reflecting its commitment to high standards of patient care and safety. The unit's innovative approaches in therapeutic and rehabilitative services contribute to its reputation as a leading provider of secure mental health services.