Guy's and St Thomas' NHS Foundation Trust

London, United Kingdom

Guy's and St Thomas' NHS Foundation Trust runs Guy's Hospital in London Bridge, St Thomas' Hospital in Waterloo, Evelina London Children's Hospital and community services in Lambeth and Southwark.

The trust provides a full range of hospital services for the local communities in Lambeth, Southwark and Lewisham. It also provides specialist services for patients from further afield, including cancer, cardiovascular, women's and children's services, kidney care and orthopaedics.

Applications Covered:

The Challenge

The primary aims of the new lighting scheme were to improve lighting levels and minimise energy usage through the use of Smart controls, while providing a safe and comfortable environment for the public and staff.

The Solution

Thorlux Lighting proposed a new installation combining the necessary energy savings with an improved lighting quality throughout the building. By replacing the existing T8, T12 and compact fluorescent lamps with energy efficient LED luminaires, the number of luminaires required was reduced by 18% from 4,266 to 3,504. The addition of Smart energy saving controls also resulted in significant energy savings; the integral Smart sensors monitor ambient light and presence, control output to the correct level, dim and switch when there is sufficient daylight and illuminate only when the area is occupied.

77 %

Energy Saving


Significant reduction in maintenance costs

18% reduction in the number of luminaires required

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