Fortnum & Mason Fortnum & Mason Shopping | Mayfair Fortnum & Mason has been located at 181 Piccadilly for over 300 years and is one of London’s most iconic department stores. Known for its quintessentially British luxury goods, Fortnum & Mason offers everything from fine food and hampers to distinctive gifts and homeware.Located close to Flemings Mayfair, it is an ideal destination for visitors looking for Location 181 Picaadilly, St James's, London, W1A 1ERVIEW WEBSITE +44 20 7734 8040 Neighbourhood Mayfair