University College Hospital at Westmoreland Street

University College Hospital at Westmoreland Street, named The Heart Hospital until refurbished and renamed in 2015, was a specialist cardiac hospital located in London, United Kingdom until 2015. It is part of the University College London Hospitals NHS Foundation Trust and is closely associated with University College London (UCL). After the 2015 refurbishment, the hospital now provides thoracic surgery and urology services.

Before the 2015 refurbishment, the Heart Hospital conducted over 1,000 surgical heart operations each year, had 95 in-patient beds, and was one of the largest cardiac centres in the UK. It treated around 1,700 new outpatients, 5,500 follow-up outpatients and 1,200 inpatients each year. It was a centre for cardiac research, home to the UCL Centre for Cardiology in the Young, and part of the UCLH/UCL Biomedical Research Centre and the UCL Partners academic health science centre.