Derwent London Plc is a United Kingdom-based real estate investment trust (REIT) operating in central London region. The Company is an office specialist property regenerators and investors. The Group owns and manages an investment portfolio of 5.6 million square feet, of which 99% is located in central London, with a specific focus on the West End and the areas bordering the City of London, with the latter principally in the Tech Belt. The Company's properties are located in London (West End central, West End borders/other and City borders), with the remainder in Scotland (Provincial). The Company's subsidiaries include Asta Commercial Limited, BBR (Commercial) Limited, Caledonian Properties Limited, Caledonian Property Estates Limited, Caledonian Property Investments Limited, Carlton Construction & Development Company Limited, Central London Commercial Estates Limited, and others. Its portfolio include 80 Charlotte Street W1, Brunel Building W2, White Collar Factory EC1, and others.