Fraser Bond are the leading lettings and property management agents for St James's Market - London SW1Y. St James's Market is a commercial building in London SW1. St James’s Market, a new 260,000 sq. ft. commercial development between Haymarket and Regent Street St James’s comprises 210,000 sq. ft. of new, modern office accommodation, alongside six flagship retail stores for best in class lifestyle and fashion, and seven new restaurants, all set within over half an acre of revitalised public spaces, including a new public square. History Leading lifestyle and fashion stores already opened.