Sexual health and HIV


The Jefferiss Wing at St Mary's Hospital is an internationally renowned centre of excellence for the diagnosis, treatment and care of people with sexually transmitted infections, including HIV. We offer both outpatient and inpatient services.

The centre offers a free, friendly, confidential, walk-in sexual health clinic where no appointment is needed, five days a week. Please see our sexual health clinic page for more information. 

We also provide a comprehensive range of specialist consultant-led clinics, to which GP referrals are welcome. We offer diagnosis and treatment for all sexually transmitted infections and related sexual health issues, including HIV. For details of conditions and treatments please see our sub-specialties.

The Jefferiss Wing clinical trials centre is one of the few purpose-built centres in the UK for undertaking clinical trials as well as conducting research in sexual health and HIV, including testing new treatments diagnostics and prevention strategies.

Sub specialties

Additional information

Patient information leaflets

Further online resources

NHS Choices – Sexual health


Outpatients appointments
020 3312 6626

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The staff at the Jefferiss wing were discreet, friendly and knowledgeable. I'd highly recommend.