see Poland Street 1 to 9 & 49 to 62 in London Addresses dataset
Francis Hanrott 5 Poland St ratebooks 1777 / Francis Hanrott gent Poland St voted 1774 Percy & Clinton / Morning Post 12.4.1777 ad for house in Blackheath, Mr Hanrott in Poland St / SunFire 1780 Francis Hanrott gent 1 Laurence Pountney Hill / Gazetteer 2.3.1785 F.G. Hanrott steward of Middlesex Dispensary / will PCC of Francis Hanrott of Hale End Essex gent dated 24.2.1783 mentioned wife Elizabeth, son Philip (other children provided for) sworn to by his sons Francis Gastry Hanrott of Brunswick Sq, St Pancras gent & Philip Augustus Hanrott of Ely Place London gent, proved 17.8.1799 by widow