From here
http://217.154.230.218/NR/rdonlyres/37CAD668-217E-46C2-B877-...It looks as if they do not have the Surrey electoral rolls at the LMA so not on Ancestry.
MB
"The Surrey History Centre holds a very good collection of electoral registers from 1832 for all constituencies in the county which includes before 1889 the part which was at that date incorporated into the County of London, as well as the area which later became part of Greater London."