Description of the location from the ‘Survey of London, South-Eastern Marylebone’, London, UCL, c.2016: ‘New Cavendish Street. ... No. 45 retains an early shopfront, of c.1820, with pairs of Ionic columns, indicative of the commercial nature of this end of the street in late-Georgian times. The core of the house itself, now of six storeys, may well be earlier, though the whole premises were substantially rebuilt in the 1890s. It was here that H. T. Hodgson’s ‘British & Foreign’ subscription library was based during the early half of the nineteenth century (as 9 Great Marylebone Street), with a reading room described as offering ‘superior advantages’ to London’s crowded clubs and public institutions. ... After 1900 the shop was for more than fifty years the premises of the chemists and pharmaceutical manufacturers Wallas and Co.