This link takes one to the various rate books compiled for each parish but it is not indexed.
Each rate book has been photographed and then later digitalised by the Church of the Latter Day Saints
Below is the link to the indexing.
https://www.familysearch.org/en/wiki/England,_Westminster_Rate_Books_Digital_Folder_Number_List
It is useful to have Street maps to hand in order to make sense of the routes taken by the collectors.
John Roques Map of 174
Horwood's map of 1799 is also very useful.
https://www.layersoflondon.org/map/overlays/horwood-1799
