Before (end of 1985) (69 seats, Elections Centre)
Conservative 57 · Labour 10 · SDP-Liberal Alliance 2 · Other 0
After (end of 1986) (69 seats, Elections Centre)
Labour 34 · Conservative 28 · SDP-Liberal Alliance 7 · Other 0
Ward results
Barnhill3 seats
| R Ferrell | Labour | 1,697 ✓ |
| M Walker | Labour | 1,665 ✓ |
| K. Dobson | Labour | 1,656 ✓ |
| B Howell | Conservative | 824 |
| June Tyrell | Conservative | 799 |
| C. Robertson | Conservative | 759 |
| J. Slatter | Lib/Sdp | 377 |
| G Maguire | Lib/Sdp | 367 |
| I Walter | Lib/Sdp | 343 |
Botwell2 seats · turnout 42.9%
| J. Davey | Labour | 1,232 |
| E. Finlay | Labour | 1,168 |
| R. Bolden | Conservative | 554 |
| B. Griffiths | Lib/Sdp | 528 |
| J. Houghton | Lib/Sdp | 508 |
| P. King | Conservative | 496 |
Bourne2 seats
| S. Carey | Lib/Sdp | 1,384 |
| A. Wegener | Lib/Sdp | 1,367 |
| G. Horn | Conservative | 1,175 |
| N. Smart | Conservative | 1,143 |
| M. Gage | Labour | 987 ✓ |
| J O'Neill | Conservative | 985 ✓ |
| A. Blundell | Labour | 977 |
| A. Kanjee | Conservative | 820 |
| K. Baker | Lib/Sdp | 442 |
| C. Parsonage | Lib/Sdp | 413 |
| M. Crimmins | Labour | 365 |
| E. Edlin | Labour | 361 |
Cavendish2 seats · turnout 62.0%
| S. Carey | SDP-Liberal Alliance | 1,384 ✓ |
| A. Wegener | SDP-Liberal Alliance | 1,367 ✓ |
| G. Horn | Conservative | 1,175 |
| N. Smart | Conservative | 1,143 |
| M. Crimmins | Labour | 365 |
| E. Edlin | Labour | 361 |
Charville3 seats · turnout 41.5%
| M. Craxton | Labour | 1,433 |
| J. Frost | Labour | 1,390 |
| Chris Malkin | Labour | 1,386 |
| P. Cooke | Conservative | 1,292 |
| A Tyrrell | Conservative | 1,259 |
| A Preston | Conservative | 1,221 |
| L. Beakhust | Lib/Sdp | 599 |
| J. Sharp | Lib/Sdp | 571 |
| S. Tomorri | Lib/Sdp | 547 |
Colham2 seats · turnout 45.1%
| B. Hudson | Labour | 1,071 ✓ |
| P. Kordun | Labour | 990 ✓ |
| I Taylor | Conservative | 681 |
| P. Waine | Conservative | 675 |
| M. Fordham | Lib/Sdp | 334 |
| J. Mole | Lib/Sdp | 293 |
| T. Ward | Green | 46 |
Cowley3 seats
| P James | Labour | 1,388 ✓ |
| P Abraham | Labour | 1,376 ✓ |
| J Rose-William | Labour | 1,376 ✓ |
| R Barnes | Conservative | 1,297 |
| B. Buttrum | Conservative | 1,269 |
| D Nurse | Conservative | 1,199 |
| A Green | Lib/Sdp | 609 |
| H Leighter | Lib/Sdp | 587 |
| A Whitell | Lib/Sdp | 575 |
Crane2 seats · turnout 37.2%
| P. Lyons | Labour | 877 |
| K. Livney | Labour | 862 |
| P. Clements | Conservative | 671 |
| A. Langley | Conservative | 625 |
| M. Stephenson | Lib/Sdp | 393 |
| R. Bristow | Lib/Sdp | 390 |
Deansfield2 seats
| C. Wegener | Lib/Sdp | 1,205 ✓ |
| S. Fern | Conservative | 1,118 ✓ |
| A. Worker | Lib/Sdp | 1,097 |
| G. Harwood-Barnes | Conservative | 1,087 |
| R Collman | Labour | 823 |
| D. Horne | Labour | 760 |
Eastcote3 seats · turnout 48.2%
| L. Lally | Conservative | 2,390 ✓ |
| T Dicks | Conservative | 2,378 ✓ |
| D. Payne | Conservative | 2,341 ✓ |
| M. Burton | Lib/Sdp | 923 |
| M. Butcher | Lib/Sdp | 877 |
| A. Alagappa | Lib/Sdp | 850 |
| S. Johnson | Labour | 487 |
| J. Green | Labour | 485 |
| V. Roberts | Labour | 476 |
| R. Ersanilli | Green | 130 |
Harefield2 seats · turnout 50.5%
| D Mitchell | Conservative | 1,203 ✓ |
| K. Abel | Conservative | 1,136 ✓ |
| J. Fletcher | Labour | 1,039 |
| P. Berry | Labour | 1,016 |
| E. Jelfs | Lib/Sdp | 400 |
| E. Mace | Lib/Sdp | 305 |
| I. Findall | Green | 166 |
Harlington3 seats · turnout 40.2%
| B. Neighbour | Labour | 1,168 ✓ |
| R. Travell | Labour | 1,068 ✓ |
| A. Little | Lib/Sdp | 1,006 ✓ |
| P. Auchombit | Labour | 979 |
| D. Cox | Conservative | 928 |
| M. Smith | Lib/Sdp | 911 |
| S. Hayles | Conservative | 908 |
| R. Bonner | Lib/Sdp | 889 |
| R. Lu | Conservative | 857 |
| R Lewis | Independent | 87 |
Heathrow2 seats · turnout 37.2%
| H. Key | Labour | 1,240 |
| J. Gray | Labour | 1,179 |
| D. Hopkins | Conservative | 1,012 |
| C. Rackstraw | Conservative | 910 |
Hillingdon East2 seats
| A. Groves | Labour | 955 ✓ |
| S. Gelberg | Labour | 943 ✓ |
| G Rhodes | Lib/Sdp | 808 |
| J. Chandler | Lib/Sdp | 758 |
| H Sibley | Conservative | 676 |
| L Thomas | Conservative | 649 |
Hillingdon North2 seats · turnout 57.2%
| P. Filgate | Lib/Sdp | 1,266 |
| B. Outhwaite | Lib/Sdp | 1,164 |
| J. Lonsdale | Labour | 982 |
| J. Bebbington | Labour | 967 |
| S. Montgomery | Conservative | 951 |
| W. Montgomery | Conservative | 852 |
Hillingdon West3 seats
| Andrew Boff | Conservative | 1,329 ✓ |
| E. Boff | Conservative | 1,285 ✓ |
| E Ing | Conservative | 1,271 ✓ |
| T Rogers | Labour | 981 |
| P Hunter | Labour | 971 |
| B Wake | Labour | 943 |
| P Craxton | Lib/Sdp | 592 |
Ickenham3 seats · turnout 50.2%
| K. Briggs | Conservative | 2,992 ✓ |
| J. Rothwell | Conservative | 2,861 ✓ |
| M. Knight | Conservative | 2,840 ✓ |
| G. Bjorge | Lib/Sdp | 909 |
| M. Locke | Lib/Sdp | 836 |
| S. Davidson | Lib/Sdp | 805 |
| J Buckingham | Labour | 737 |
| P. Kent | Labour | 675 |
| P. Smith | Labour | 659 |
| R. Moon | Green | 339 |
Manor2 seats · turnout 51.7%
| E. Hales | Conservative | 1,213 |
| D. Honeygold | Lib/Sdp | 1,205 |
| M. Jolinon | Conservative | 1,184 |
| K. Mathen | Lib/Sdp | 1,065 |
| L. Levy | Labour | 568 |
| J. Moyniham | Labour | 517 |
Northwood3 seats · turnout 42.1%
| B. Kester | Conservative | 2,213 |
| Jonathan Bianco | Conservative | 2,211 |
| F. Taylor | Conservative | 2,184 |
| A. Lane | Lib/Sdp | 621 |
| J. Mathias | Lib/Sdp | 589 |
| A. Peach | Lib/Sdp | 566 |
| K. Goldsworthy | Labour | 304 |
| J. Michael | Labour | 301 |
| Preston H. | Labour | 275 |
Northwood Hills3 seats · turnout 42.2%
| D. List | Conservative | 1,609 |
| F. Walsh | Conservative | 1,570 |
| G. Sewell | Conservative | 1,562 |
| R. Drew | Lib/Sdp | 981 |
| D. Holden | Lib/Sdp | 938 |
| S. Everett | Lib/Sdp | 904 |
| C. Johnson | Labour | 618 |
| S. Cottman | Labour | 611 |
| Roberts M. | Labour | 596 |
Ruislip2 seats · turnout 46.7%
| E. Booth | Conservative | 1,678 |
| M. Kilbey | Conservative | 1,607 |
| D. Cox | Lib/Sdp | 639 |
| N. Parsonage | Lib/Sdp | 622 |
| C Barton | Labour | 343 |
| C. Gadsden | Labour | 318 |
St. Martins2 seats · turnout 44.5%
| K Guy | Conservative | 1,666 |
| Douglas Mills | Conservative | 1,626 |
| M. Hugo | Lib/Sdp | 625 |
| M. Winterbotham | Lib/Sdp | 609 |
| K. Dallas | Labour | 449 |
| T Richards | Labour | 444 |
Townfield3 seats
| O. Garvin | Labour | 1,924 ✓ |
| G. Rogers | Labour | 1,809 ✓ |
| B Crow | Labour | 1,772 ✓ |
| S Hector | Conservative | 820 |
| M Brazier | Conservative | 818 |
| L. Redding | Conservative | 793 |
| G Carter | Lib/Sdp | 618 |
Uxbridge North2 seats · turnout 45.4%
| E. Bowen | Conservative | 1,487 |
| D. Harnott | Conservative | 1,476 |
| K. Hales | Lib/Sdp | 465 |
| A. Holden | Lib/Sdp | 404 |
| H. Lee | Labour | 360 |
| C. Lee | Labour | 305 |
Uxbridge South2 seats · turnout 47.0%
| G. Bogan | Labour | 1,015 |
| C. Beary | Labour | 1,014 |
| J. Morgan | Conservative | 746 |
| R. York | Conservative | 727 |
| S. Urwin | Lib/Sdp | 285 |
| A. Kurtz | Lib/Sdp | 280 |
West Drayton2 seats · turnout 49.1%
| N. Hawkins | Conservative | 1,190 |
| J. Carsons | Conservative | 1,131 |
| H. Harmsworth | Labour | 1,064 |
| Keys D. | Labour | 1,019 |
| I. Campbell | Lib/Sdp | 387 |
| K. Monks | Lib/Sdp | 295 |
Wood End2 seats · turnout 42.2%
| R. Thornton | Lib/Sdp | 1,493 |
| A. Miller | Lib/Sdp | 1,402 |
| A Ilbrey | Lib/Sdp | 1,397 |
| D Grosvenor | Conservative | 1,361 |
| D. Varney | Conservative | 1,312 |
| B. Hall | Conservative | 1,307 |
| P Maguire | Labour | 1,305 |
| P. Fagan | Labour | 1,290 |
| P Dodkins | Labour | 1,236 |
| P Makula | Labour | 1,177 |
| G. Tomlin | Labour | 1,059 |
| R. Inions | Conservative | 773 |
| E. Bryant | Conservative | 722 |
| J. Batchelor | Lib/Sdp | 320 |
| J. Drew | Lib/Sdp | 275 |
Yeading3 seats · turnout 36.5%
| Fenton-Glynn J. | Labour | 1,303 |
| B. Franklin | Labour | 1,195 |
| E. Harris | Labour | 1,171 |
| M. Burgess | Conservative | 840 |
| L. Rowswell | Conservative | 789 |
| L. Avery | Conservative | 782 |
| R. Chandar | Lib/Sdp | 340 |
| E. Broughton | Lib/Sdp | 230 |
Yiewsley2 seats · turnout 40.3%
| P. Harmsworth | Labour | 1,155 |
| M. Murray | Labour | 1,039 |
| M. Bull | Conservative | 777 |
| A. Carragher | Conservative | 729 |
| D. Tuckwell | Lib/Sdp | 275 |
| A. Quraishi | Lib/Sdp | 234 |
