just came across this .. from 1994 ..
http://pubs.socialistreviewindex.org.uk/sr176/bambery.htm
jPast Nazi Votes
The following figures put the Nazi vote into perspective. The Nazis are not able to do what the NF did in 1977 when they contested every London seat in the GLC elections. Neither are they able to achieve what they did in a Deptford by-election in 1976 when they polled 44 percent.
1973 local council elections NF votes
Feltham/Heston 7.7 percent
Hayes and Harlington 8.5 percent
Average NF vote May 1977
Greater London Council elections
Bethnal Green & Bow 19 percent
Stepney & Poplar 16.4 percent
Barking 9 percent
Bermondsey 10.2 percent
Deptford 14.5 percent
Newham South 15.1 percent
Average NF votes across area May 1982
BNP/NF vote April 1992 local elections
Bethnal Green & Stepney (BNP) 3.595 percent
Bow & Poplar (BNP) 2.96 percent
Dudley East (NF) 1.19 percent
Rochdale (BNP) 1.15 percent
Southwark & Bermondsey (BNP) 1.4 percent (NF) 0.4 percent
Other significant Nazi votes
March 1937 Bethnal Green 23.1 percent (British Union of Fascists)
Oct 1949 Sboreditch 15 percent (union Movement)
Dec 1972 Uxbridge by-election 8.2 percent (NF)
May 1973 West Bromwich by-election 16.2 percent (NF)
February '1974 general election Bethnal Green & Bow 7 percent (NF)
Average NF votes local elections 1976-1980
76 77 78 79 80
Rochdale 7.1 4.1 3.6 3.0 3.0
Birmingham 4.3 5.2 3.9 - 2.1
Dudley - 10.6 5.2 3.4 6.0
Sandwell 17.0 9.6 8.3 - 3.2
Solihull 3.5 6.7 5.1 3.6 1.8
also this is the GLC result from 77 when the NF peaked in london
http://www.election.demon.co.uk/glc/glcresults.html
1977: Electorate 5,183,660: T'out 43.3%: SWING +14.54
Party Votes % Ch.% Candidates Seats
C 1,177,390 52.5 +14.5 92 64
Lab 737,194 32.9 -14.5 92 28
L 174,405 7.8 - 4.7 91 -
NF 119,060 5.3 + 4.8 91 -
Nat Party 8,300 0.4 22 -
Com 8,267 0.4 - 0.2 24 -
GLCA 7,869 0.4 31 -
IMG 1,930 0.1 4 -
Ind 1,834 0.1 9 -
People 1,621 0.1 2 -
Ind C 1,025 0.0 1 -
Ind L 878 0.0 3 -
ENP 685 0.0 5 -
FP 552 0.0 1 -
SPGB 502 0.0 - 0.1 4 -
EP 298 0.0 1 -
NB 254 0.0 1 -
Total 2,242,064 100.0 474 92