Before (end of 1985) (63 seats, Elections Centre)
Conservative 41 · SDP-Liberal Alliance 13 · Labour 6 · Other 3
After (end of 1986) (63 seats, Elections Centre)
Conservative 32 · SDP-Liberal Alliance 18 · Labour 9 · Other 4
Ward results
Canons3 seats · turnout 42.0%
| R. Grant | Conservative | 1,938 ✓ |
| J. Cowan | Conservative | 1,922 ✓ |
| R. Romain | Conservative | 1,844 ✓ |
| H. Evans | Labour | 588 |
| C. Gray | Labour | 554 |
| J. March | Labour | 547 |
| S. Cohen | SDP-Liberal Alliance | 482 |
| D. Knight | SDP-Liberal Alliance | 409 |
| J. Standfield | SDP-Liberal Alliance | 405 |
Centenary3 seats · turnout 48.6%
| J. Campbell | Conservative | 1,582 ✓ |
| P. Blakeley | Conservative | 1,570 ✓ |
| D. Deanshaw | Conservative | 1,488 ✓ |
| D. Brough | Labour | 1,171 |
| V. Daniels | Labour | 1,118 |
| C. Silberfield | Labour | 1,053 |
| A. Glennie | SDP-Liberal Alliance | 482 |
| J. Savani | SDP-Liberal Alliance | 475 |
| J. Gover | SDP-Liberal Alliance | 455 |
Greenhill3 seats · turnout 45.2%
| D. Hains | SDP-Liberal Alliance | 1,642 ✓ |
| P. Burrows | SDP-Liberal Alliance | 1,511 ✓ |
| N. Mortimer | SDP-Liberal Alliance | 1,395 ✓ |
| E. Kerr | Conservative | 832 |
| L. Bosworth | Conservative | 805 |
| S. Fegan | Conservative | 799 |
| M. Green | Labour | 457 |
| R. Newbigging | Labour | 406 |
| O'Malley. | Labour | 396 |
Harrow on the Hill3 seats · turnout 37.1%
| P Pitt | Conservative | 1,301 |
| D. Rogers | Conservative | 1,275 |
| N. Cervantes-Watson | Conservative | 1,147 |
| R. Lovatt | Lib/Sdp | 912 |
| D. Leboff | Lib/Sdp | 882 |
| D. Walster | Lib/Sdp | 863 |
| W. Hodgson | Labour | 600 |
| S. Roan | Labour | 520 |
| Snowdon D. | Labour | 514 |
Harrow Weald3 seats · turnout 49.1%
| H. Cooper | Lib/Sdp | 1,977 ✓ |
| R. Pinkus | Lib/Sdp | 1,872 ✓ |
| A. Wiseman | Lib/Sdp | 1,760 ✓ |
| W. Fitzsimmons | Conservative | 1,307 |
| A. Bartleman | Conservative | 1,245 |
| L. Marks | Conservative | 1,171 |
| J. O'Sullivan | Labour | 640 |
| J. Pegg | Labour | 606 |
| R. Strudwick | Labour | 579 |
| R. Herbert | RATE | 80 |
Hatch End3 seats · turnout 45.0%
| D. Abbott | Conservative | 1,894 ✓ |
| M. Nutt | Conservative | 1,825 ✓ |
| D. Jenkins | Conservative | 1,790 ✓ |
| K. Higgins | SDP-Liberal Alliance | 763 |
| A. Baker | SDP-Liberal Alliance | 723 |
| P. Thompson | SDP-Liberal Alliance | 648 |
| R. Luddington | Labour | 520 |
| J. Solomon | Labour | 493 |
| C. Vahrman | Labour | 477 |
Headstone North3 seats · turnout 42.5%
| J. Anderson | Conservative | 1,877 |
| P. Harrison | Conservative | 1,798 |
| F. Weare | Conservative | 1,784 |
| H. Denton | Lib/Sdp | 924 |
| P. Fraser | Lib/Sdp | 899 |
| G. Coaley | Lib/Sdp | 880 |
| M. Kingsbury | Labour | 527 |
| R. Kingsbury | Labour | 520 |
| J. Lilley | Labour | 513 |
Headstone South3 seats · turnout 42.1%
| S. Giles-Medhurst | Lib/Sdp | 1,591 |
| C. Thomas | Lib/Sdp | 1,476 |
| D. Wiseman | Lib/Sdp | 1,466 |
| D. Nash | Labour | 750 |
| J. Child | Conservative | 743 |
| M. O'Halloran | Labour | 740 |
| E. Costelloe | Conservative | 733 |
| A. Smith | Labour | 725 |
| J. Hall | Conservative | 702 |
Kenton East3 seats · turnout 48.0%
| C. Davies | Labour | 1,588 ✓ |
| E. Davis | Labour | 1,549 ✓ |
| A. Toms | Labour | 1,436 ✓ |
| D. Topper | Conservative | 1,059 |
| A. Franklin | Conservative | 1,040 |
| M. Revan | Conservative | 1,013 |
| B. Duggal | SDP-Liberal Alliance | 818 |
| P. Levy | SDP-Liberal Alliance | 801 |
| S. Levy | SDP-Liberal Alliance | 754 |
Kenton West3 seats · turnout 47.2%
| E. Feakins | Conservative | 1,450 ✓ |
| A. Cocksedge | Conservative | 1,388 ✓ |
| A. Turner | Conservative | 1,378 ✓ |
| D. O'Farrell | SDP-Liberal Alliance | 1,304 |
| L. Cox | SDP-Liberal Alliance | 1,244 |
| A. Goodman | SDP-Liberal Alliance | 1,201 |
| D. Kenny | Labour | 679 |
| P. O'Dell | Labour | 656 |
| V. O'Dell | Labour | 611 |
Marlborough3 seats · turnout 48.8%
| W. Gardner | SDP-Liberal Alliance | 1,467 ✓ |
| M. Lyons | SDP-Liberal Alliance | 1,375 ✓ |
| M. Hamill | SDP-Liberal Alliance | 1,343 ✓ |
| A. Groves | Labour | 1,278 |
| E. Thomson | Labour | 1,099 |
| J. Wignall | Labour | 1,075 |
| S. Jobson | Conservative | 651 |
| S. Rogers | Conservative | 649 |
| C. S. Burden | Conservative | 621 |
Pinner3 seats · turnout 47.3%
| J. Bond | Other | 1,864 ✓ |
| W. Cock | Conservative | 1,794 ✓ |
| M. Champagnie | Conservative | 1,474 ✓ |
| J. Lennox | Conservative | 1,446 |
| R. Pearson | SDP-Liberal Alliance | 732 |
| J. Griffin | SDP-Liberal Alliance | 729 |
| F. Flower | Labour | 422 |
| J. Clarey | Labour | 386 |
| F. Trott | Labour | 368 |
Pinner West3 seats · turnout 44.8%
| D. Clark | Conservative | 1,806 ✓ |
| C. Green | Conservative | 1,749 ✓ |
| J. Clark | Conservative | 1,726 ✓ |
| D. Crawford | SDP-Liberal Alliance | 908 |
| N. Porter | SDP-Liberal Alliance | 896 |
| I. Richmond | SDP-Liberal Alliance | 886 |
| A. Scott | Labour | 438 |
| G. Box | Labour | 437 |
| N. Lister | Labour | 430 |
Rayners Lane3 seats · turnout 45.9%
| C. Noyce | SDP-Liberal Alliance | 1,473 ✓ |
| J. Bartrick | SDP-Liberal Alliance | 1,459 ✓ |
| P. Nandhra | SDP-Liberal Alliance | 1,443 ✓ |
| J. Kirk | Conservative | 1,170 |
| W. Garvey | Conservative | 1,163 |
| G. Connelly | Conservative | 1,130 |
| R. Shannon | Labour | 486 |
| J. Underwood | Labour | 469 |
| W. Stephenson | Labour | 457 |
Ridgeway3 seats · turnout 50.5%
| L. Harsant | Conservative | 1,519 ✓ |
| S. Searle | Conservative | 1,489 ✓ |
| D. Manning | Conservative | 1,465 ✓ |
| M. De-Beer | Lib/Sdp | 1,323 |
| J. Branch | Lib/Sdp | 1,220 |
| D. Lerner | Lib/Sdp | 1,145 |
| Wilson R. | Labour | 814 |
| R. Mashru | Labour | 813 |
| N. Peterken | Labour | 779 |
| K. Mahmood | INDRA | 219 |
Roxbourne3 seats · turnout 53.1%
| J. Skipworth | SDP-Liberal Alliance | 1,470 ✓ |
| G. Lippiatt | SDP-Liberal Alliance | 1,370 ✓ |
| J. Bell | Labour | 1,246 ✓ |
| N. Frais | SDP-Liberal Alliance | 1,243 |
| J. Nickolay | Conservative | 1,211 |
| S. Aitken | Labour | 1,179 |
| J. Flavin | Labour | 1,130 |
| M. Keen | Conservative | 1,117 |
| J. Bint | Conservative | 1,107 |
Roxeth3 seats · turnout 41.2%
| J. Cripps | RATE | 1,656 |
| D. Tyler | RATE | 1,613 |
| A. Hamlin | RATE | 1,581 |
| C. Gilliard | Conservative | 890 |
| I. McDonald | Conservative | 874 |
| J. McDonald | Conservative | 862 |
| A. Bruce | Labour | 756 |
| G. Temple | Labour | 698 |
| V. Adeyeri | Labour | 668 |
Stanmore Park3 seats · turnout 39.9%
| M. Carmody | Conservative | 1,889 ✓ |
| C. Bednell | Conservative | 1,861 ✓ |
| A. Snewing | Conservative | 1,802 ✓ |
| A. Noakes | SDP-Liberal Alliance | 509 |
| J. Ferguson | Labour | 509 |
| R. Clifton | Labour | 505 |
| J. Gould | SDP-Liberal Alliance | 499 |
| C. Parson | SDP-Liberal Alliance | 476 |
| A. Sharpe | Labour | 468 |
Stanmore South3 seats · turnout 50.6%
| S. Brown | Labour | 1,536 ✓ |
| R. Lawrence | Labour | 1,492 ✓ |
| T. McNulty | Labour | 1,478 ✓ |
| J. Mitchell | Conservative | 1,138 |
| C. Bath | Conservative | 1,138 |
| M. Oppenheimer | Conservative | 1,100 |
| N. Bhana | SDP-Liberal Alliance | 539 |
| S. Silver | SDP-Liberal Alliance | 527 |
| R. Warshaw | SDP-Liberal Alliance | 473 |
| P. Shah | Other | 468 |
| D. Mahadevaiah | Other | 377 |
| K. Thammaiah | Other | 327 |
Wealdstone3 seats · turnout 47.0%
| K. Burchell | Labour | 1,289 ✓ |
| R. Lewis | Labour | 1,204 ✓ |
| T. Shroff | Lib/Sdp | 1,181 ✓ |
| P. Budden | Lib/Sdp | 1,178 |
| H. Underwood | Labour | 1,178 |
| B. Campbell | Lib/Sdp | 1,171 |
| N. Ball | Conservative | 779 |
| J. Livesey | Conservative | 701 |
| D. Orger | Conservative | 661 |
| P. Crome | Independent | 431 |
| P. McEvoy | Green | 160 |
Wemborough3 seats · turnout 39.4%
| G. Colborne-Hill | Conservative | 1,825 |
| R. Denney | Conservative | 1,740 |
| P. Harkett | Conservative | 1,709 |
| G. Singer | Lib/Sdp | 676 |
| P. Jay | Lib/Sdp | 665 |
| D. Buchler | Lib/Sdp | 657 |
| W. Booroff | Labour | 558 |
| C. Lewisohn | Labour | 530 |
| R. Windle | Labour | 529 |
