Royal Borough of Kensington and Chelsea | 21,141 followers on LinkedIn. A London borough with 18 wards led by Cllr Elizabeth Campbell. Chief Executive: Maxine Holdsworth | Kensington and Chelsea is one of London’s most vibrant and recognisable boroughs. It has many unique buildings, famous museums and beautiful parks. Although the borough is geographically one of the smallest in London, at just over 4.7 square miles, it is one of the most densely populated and diverse areas in Europe.