 In 1925, the Metropolitan Railway Company built a branch to Watford, opening a station close to Cassiobury Park.In the 1950s and 1960s, Watford was the home of the British designer furniture manufacturer Hille.At their premises on St Albans Road, designed by the modernist architect Ernő Goldfinger, the designer Robin Day conceived the polypropylene stacking chair, now recognised as a classic of modern design.