10 Trinity Square

DSA Engineering provided the complete Mechanical and Electrical design for this conversion of a Grade II* listed circa 1907 building into a 7-star luxury hotel and spa across from the Tower of London.  The top 4 floors are luxury apartments with access to all hotel services.

The project consisted of converting the Willis office building, with Grade II* listed interiors, into a 125-room luxury hotel and spa.  An addition to the top of the building added 20 luxury apartments for sale ranging from 250m² to 1,300m².  The spa has a swimming pool, treatment rooms, saunas and gym.

The hotel has a 400-person ballroom and pre-function spaces and 2 kitchens.  As the existing building could not be modificed, a major 5-storey basement was designed to accommodate plantrooms, parking and back-of-house spaces.

The project has been designed with fuel cells to comply with the 10 percent renewable energy requirement of the London Plan.