All years
1985 council by-elections
401 by-elections on our record, 0 of them won by a different party from last time.
Every by-election
| Date | Ward | Winner | Previously |
|---|---|---|---|
| 10 Jan | Penzance SouthCornwall | Conservative 45.4% | Not known |
| 10 Jan | Penzance SouthPenwith | Conservative 46.7% | Not known |
| 17 Jan | MargravineHammersmith and Fulham | Labour 51.0% | Not known |
| 17 Jan | Tottenham Central [merged 87423735]Haringey [merged c3b0c4fa] | Labour 56.8% | Not known |
| 17 Jan | LlansamletSwansea | Conservative 65.6% | Not known |
| 24 Jan | Saltash EssaCaradon | SDP-Liberal Alliance 46.5% | Not known |
| 24 Jan | Portchester CentralFareham | SDP-Liberal Alliance 58.6% | Not known |
| 31 Jan | Mercian [merged f04ba557]Tamworth | Labour 40.5% | Not known |
| 6 Feb | Taunton FairwaterTaunton Deane | SDP-Liberal Alliance 43.7% | Not known |
| 7 Feb | Boreham & SpringfieldChelmsford | SDP-Liberal Alliance 53.8% | Not known |
| 7 Feb | Chilcompton & Ston EastonMendip | Independent 46.1% | Not known |
| 7 Feb | Tynemouth [merged 45b61645]North Tyneside | Conservative 60.4% | Not known |
| 7 Feb | CoveRushmoor | SDP-Liberal Alliance 52.3% | Not known |
| 7 Feb | LarkfieldTonbridge And Malling | SDP-Liberal Alliance 69.4% | Not known |
| 7 Feb | BourneWyre | Labour 50.9% | Not known |
| 14 Feb | Vaynol PentirArfon | SDP-Liberal Alliance 34.9% | Not known |
| 14 Feb | Calder ValleyCalderdale | SDP-Liberal Alliance 40.1% | Not known |
| 14 Feb | Kingsway [merged 824a8c8b]Halton | Labour 57.2% | Not known |
| 14 Feb | Norton [merged ecb18470]Halton | Labour 74.1% | Not known |
| 21 Feb | University [merged ed645f62]Bradford | Labour 51.4% | Not known |
| 21 Feb | SudburyBrent | Conservative 54.3% | Not known |
| 21 Feb | EiriasColwyn | SDP-Liberal Alliance 95.3% | Not known |
| 21 Feb | Rawmarsh EastRotherham | Labour 84.5% | Not known |
| 21 Feb | Southam [merged 54c66119]Stratford-on-Avon | Independent 64.6% | Not known |
| 21 Feb | Bedford-AstleyWigan | Labour 55.0% | Not known |
| 28 Feb | Great Cornard NorthBabergh | Labour 56.9% | Not known |
| 28 Feb | LambournBerkshire | Conservative 72.5% | Not known |
| 28 Feb | WillowsGreat Grimsby | Labour 50.4% | Not known |
| 28 Feb | BlackheathGreenwich | Conservative 41.5% | Not known |
| 28 Feb | ClissoldHackney | Labour 63.1% | Not known |
| 28 Feb | Wells St. CuthbertsMendip | Conservative 39.7% | Not known |
| 28 Feb | WestbourneMiddlesbrough | Labour 75.1% | Not known |
| 28 Feb | Shaftesbury Central [merged 99799b9b]North Dorset | SDP-Liberal Alliance 88.4% | Not known |
| 28 Feb | VictoriaOswestry | Labour 51.1% | Not known |
| 28 Feb | Charles DickensPortsmouth | SDP-Liberal Alliance 45.3% | Not known |
| 28 Feb | CentralWansbeck | Labour 77.8% | Not known |
| 28 Feb | CollegeWansbeck | Labour 73.2% | Not known |
| 28 Feb | Regents ParkWestminster | Labour 39.1% | Not known |
| 7 Mar | BlofieldBroadland | Conservative 75.2% | Not known |
| 7 Mar | HevinghamBroadland | Conservative 61.9% | Not known |
| 7 Mar | Matlock St GilesDerbyshire Dales | SDP-Liberal Alliance 39.8% | Not known |
| 7 Mar | EasingwoldHambleton | SDP-Liberal Alliance 46.9% | Not known |
| 7 Mar | Whaley BridgeHigh Peak | SDP-Liberal Alliance 39.8% | Not known |
| 7 Mar | WeddingtonNuneaton and Bedworth | Conservative 39.3% | Not known |
| 7 Mar | LeighSouthend-On-Sea | SDP-Liberal Alliance 57.5% | Not known |
| 7 Mar | Carshalton NorthSutton | SDP-Liberal Alliance 49.3% | Not known |
| 7 Mar | Hollybush [merged c8172430]Welwyn Hatfield | Labour 63.1% | Not known |
| 14 Mar | RavenhurstBlaby | SDP-Liberal Alliance 49.3% | Not known |
| 14 Mar | Park WoodGillingham | SDP-Liberal Alliance 43.1% | Not known |
| 14 Mar | HangletonHove | Conservative 46.9% | Not known |
| 14 Mar | CrosskeysIslwyn | Labour 52.7% | Not known |
| 14 Mar | SouthwoodThanet | Independent 70.7% | Not known |
| 21 Mar | ClaphamBedford | SDP-Liberal Alliance 57.9% | Not known |
| 21 Mar | Sidcup WestBexley | Conservative 54.3% | Not known |
| 21 Mar | East Wickham [merged a71b4996]Bexley [merged e54b2d74] | SDP-Liberal Alliance 55.9% | Not known |
| 21 Mar | Craven [merged c5738b19]Bradford | SDP-Liberal Alliance 48.3% | Not known |
| 21 Mar | BickleyBromley | SDP-Liberal Alliance 49.0% | Not known |
| 21 Mar | Carmarthen Town Ward 3Carmarthen | SDP-Liberal Alliance 54.5% | Not known |
| 21 Mar | West EndEaling | Labour 63.1% | Not known |
| 21 Mar | SAWBRIDGEWORTHEast Hertfordshire | SDP-Liberal Alliance 46.1% | Not known |
| 21 Mar | AbbotsfordErewash | Labour 37.8% | Not known |
| 21 Mar | CotmanhayErewash | Labour 53.9% | Not known |
| 21 Mar | EardisleyLeominster | Conservative 51.4% | Not known |
| 21 Mar | Calne SouthNorth Wiltshire | SDP-Liberal Alliance 47.0% | Not known |
| 21 Mar | LitherlandSefton | Labour 60.0% | Not known |
| 21 Mar | LickhillWyre Forest | Conservative 35.4% | Not known |
| 28 Mar | Carlton [merged c226da26]Bassetlaw | Labour 43.6% | Not known |
| 28 Mar | ChislehurstBromley | Other 66.5% | Not known |
| 28 Mar | Middlewich Cledford [merged d2368eae]Congleton | SDP-Liberal Alliance 45.5% | Not known |
| 28 Mar | CadwellNorth Hertfordshire | Conservative 37.7% | Not known |
| 28 Mar | Letchworth South WestNorth Hertfordshire | SDP-Liberal Alliance 45.5% | Not known |
| 28 Mar | Patchway CallicroftNorthavon | Labour 50.9% | Not known |
| 28 Mar | PaddoxRugby | SDP-Liberal Alliance 36.7% | Not known |
| 28 Mar | Great and Little OakleyTendring | Labour 41.1% | Not known |
| 28 Mar | HarewoodTest Valley | SDP-Liberal Alliance 55.3% | Not known |
| 28 Mar | SwinleyWigan | Labour 42.3% | Not known |
| 28 Mar | Badger FarmWinchester | SDP-Liberal Alliance 60.0% | Not known |
| 11 Apr | MetheringhamNorth Kesteven | Not recorded | Not known |
| 11 Apr | NewtownPoole | SDP-Liberal Alliance 45.0% | Not known |
| 11 Apr | ShaldonTeignbridge | Not recorded | Not known |
| 11 Apr | Teignmouth CentralTeignbridge | Conservative 49.9% | Not known |
| 18 Apr | FlimbyAllerdale | Labour 73.5% | Not known |
| 18 Apr | RegencyBrighton | Labour 43.5% | Not known |
| 18 Apr | Newton Hall [merged a2b53717]Durham | SDP-Liberal Alliance 51.2% | Not known |
| 18 Apr | CentralGreat Grimsby | SDP-Liberal Alliance 29.8% | Not known |
| 18 Apr | DingleLiverpool | SDP-Liberal Alliance 48.5% | Not known |
| 18 Apr | SpekeLiverpool | Labour 74.8% | Not known |
| 18 Apr | Swinton [merged 90a8c7bc]Rotherham | Labour 74.1% | Not known |
| 25 Apr | Marsh HouseBlackburn | SDP-Liberal Alliance 36.8% | Not known |
| 2 May | ParkBarnsley | Labour 69.7% | Not known |
| 2 May | Combe DownBath | SDP-Liberal Alliance 51.5% | Not known |
| 2 May | Ault Hucknall [merged 02230093]Bolsover | Labour 46.3% | Not known |
| 2 May | Radcliffe CentralBury | Labour 62.3% | Not known |
| 2 May | East ChestertonCambridge | Labour 35.1% | Not known |
| 2 May | Heath HayesCannock Chase | SDP-Liberal Alliance 50.7% | Not known |
| 2 May | New TownColchester | SDP-Liberal Alliance 58.9% | Not known |
| 2 May | St. AndrewsColchester | SDP-Liberal Alliance 53.7% | Not known |
| 2 May | Hersham SouthElmbridge | Conservative 41.8% | Not known |
| 2 May | Oatlands ParkElmbridge | Conservative 63.8% | Not known |
| 2 May | Newton & Tydd St. GilesFenland | Not recorded | Not known |
| 2 May | RectoryHackney | Labour 74.9% | Not known |
| 2 May | Haggerston [merged d830391d]Hackney [merged 63b6dfec] | SDP-Liberal Alliance 49.1% | Not known |
| 2 May | Northallerton South EastHambleton | SDP-Liberal Alliance 49.1% | Not known |
| 2 May | BroughtonHarborough | Conservative 51.5% | Not known |
| 2 May | FleckneyHarborough | Conservative 51.7% | Not known |
| 2 May | Marlborough [merged 239091a7]Harrow [merged 0676472d] | SDP-Liberal Alliance 41.1% | Not known |
| 2 May | SimmondleyHigh Peak | Conservative 39.0% | Not known |
| 2 May | TrafalgarHorsham | Conservative 49.9% | Not known |
| 2 May | SpritesIpswich | Labour 61.8% | Not known |
| 2 May | WhitehouseIpswich | Labour 63.6% | Not known |
| 2 May | Alderley EdgeMacclesfield | Conservative 57.4% | Not known |
| 2 May | Morley & StyalMacclesfield | Conservative 63.2% | Not known |
| 2 May | OakhamMansfield | Conservative 49.8% | Not known |
| 2 May | Sandy St. SwithunsMid Bedfordshire | SDP-Liberal Alliance 43.4% | Not known |
| 2 May | Haywards Heath Ashenground [merged c2d3419e]Mid Sussex | SDP-Liberal Alliance 47.0% | Not known |
| 2 May | KeymerMid Sussex | SDP-Liberal Alliance 47.6% | Not known |
| 2 May | Wolverton Stacey BushesMilton Keynes | SDP-Liberal Alliance 37.6% | Not known |
| 2 May | May BankNewcastle-under-Lyme | SDP-Liberal Alliance 39.7% | Not known |
| 2 May | DogsthorpePeterborough | SDP-Liberal Alliance 48.6% | Not known |
| 2 May | Bourne ValleyPoole | SDP-Liberal Alliance 48.7% | Not known |
| 2 May | WorsleyRossendale | Labour 46.9% | Not known |
| 2 May | BishopRushcliffe | Conservative 64.4% | Not known |
| 2 May | BagleyShrewsbury and Atcham | Conservative 34.1% | Not known |
| 2 May | FordbridgeSolihull | Labour 67.0% | Not known |
| 2 May | PortswoodSouthampton | SDP-Liberal Alliance 44.6% | Not known |
| 2 May | CunninghamSt. Albans | SDP-Liberal Alliance 55.0% | Not known |
| 2 May | Harpenden EastSt. Albans | Conservative 44.5% | Not known |
| 2 May | Roebuck [merged f00f94a2]Stevenage | Labour 42.0% | Not known |
| 2 May | MurstonSwale | SDP-Liberal Alliance 46.8% | Not known |
| 2 May | Denton North EastTameside | Labour 55.4% | Not known |
| 2 May | Gorse HillThamesdown | Labour 46.0% | Not known |
| 2 May | HighworthThamesdown | Labour 45.0% | Not known |
| 2 May | AllendaleTynedale | Not recorded | Not known |
| 2 May | GAINSBOROUGH EASTWest Lindsey | SDP-Liberal Alliance 51.1% | Not known |
| 2 May | WithamWest Lindsey | Conservative 61.2% | Not known |
| 2 May | Trowbridge DrynhamWest Wiltshire | Conservative 31.4% | Not known |
| 6 May | SeatonWansbeck | Labour 62.3% | Not known |
| 9 May | Blendon & PenhillBexley | Conservative 43.1% | Not known |
| 9 May | EarlsdonCoventry | Conservative 46.3% | Not known |
| 9 May | Grove ParkLewisham | Conservative 36.9% | Not known |
| 9 May | BramleyWaverley | SDP-Liberal Alliance 53.2% | Not known |
| 9 May | Busbridge Hambledon & HascombeWaverley | Conservative 57.4% | Not known |
| 9 May | MilfordWaverley | SDP-Liberal Alliance 58.0% | Not known |
| 9 May | ShottermillWaverley | SDP-Liberal Alliance 63.3% | Not known |
| 16 May | MayfieldRushmoor | SDP-Liberal Alliance 40.0% | Not known |
| 16 May | Kingsteignton EastTeignbridge | Labour 55.8% | Not known |
| 23 May | Hipperholme and LightcliffeCalderdale | Conservative 43.0% | Not known |
| 23 May | Clay Cross NorthNorth East Derbyshire | Labour 65.7% | Not known |
| 23 May | FlixtonTrafford | SDP-Liberal Alliance 40.5% | Not known |
| 23 May | OssettWakefield | SDP-Liberal Alliance 46.8% | Not known |
| 23 May | Crowborough NorthWealden | SDP-Liberal Alliance 54.5% | Not known |
| 23 May | HeathfieldWealden | SDP-Liberal Alliance 44.5% | Not known |
| 23 May | MayfieldWealden | Conservative 73.3% | Not known |
| 30 May | Anston & WoodsettsRotherham | Labour 46.6% | Not known |
| 6 Jun | WenlockHackney | SDP-Liberal Alliance 61.1% | Not known |
| 6 Jun | ArdwickManchester | Labour 64.5% | Not known |
| 6 Jun | Blyth Valley Seaton DelavalNorthumberland | Labour 62.3% | Not known |
| 6 Jun | Duke'sSefton | Conservative 51.2% | Not known |
| 13 Jun | St. Annes SouthLancashire | SDP-Liberal Alliance 53.6% | Not known |
| 13 Jun | Reigate South CentralReigate & Banstead | SDP-Liberal Alliance 43.5% | Not known |
| 13 Jun | St. Michael-With-GoodringtonTorbay | SDP-Liberal Alliance 50.4% | Not known |
| 13 Jun | Sunningwell and WoottonVale Of White Horse | SDP-Liberal Alliance 52.6% | Not known |
| 20 Jun | Bangor NorthArfon | SDP-Liberal Alliance 78.0% | Not known |
| 20 Jun | Grendon UnderwoodAylesbury Vale | Conservative 51.7% | Not known |
| 20 Jun | GillinghamDorset | Not recorded | Not known |
| 20 Jun | Vale Of AllenEast Dorset | SDP-Liberal Alliance 64.6% | Not known |
| 20 Jun | DersinghamKing's Lynn And West Norfolk | Conservative 44.6% | Not known |
| 20 Jun | Central & FalingeRochdale | Labour 51.7% | Not known |
| 20 Jun | Etchingham & Hurst GreenRother | SDP-Liberal Alliance 53.9% | Not known |
| 20 Jun | Guestling & PettRother | Conservative 47.2% | Not known |
| 20 Jun | CaddingtonSouth Bedfordshire | Conservative 49.5% | Not known |
| 20 Jun | Wombourne South EastSouth Staffordshire | SDP-Liberal Alliance 46.0% | Not known |
| 27 Jun | SalterbeckAllerdale | Labour | Not known |
| 27 Jun | Felpham WestArun | Conservative 59.5% | Not known |
| 27 Jun | WalbertonArun | Conservative 63.4% | Not known |
| 27 Jun | Castle HedinghamBraintree | SDP-Liberal Alliance 51.0% | Not known |
| 27 Jun | Willesden GreenBrent | Labour 74.9% | Not known |
| 27 Jun | St. JohnsCamden | Labour 54.6% | Not known |
| 27 Jun | Amersham CommonChiltern | SDP-Liberal Alliance 48.1% | Not known |
| 27 Jun | Folkestone EastFolkestone And Hythe | SDP-Liberal Alliance 56.1% | Not known |
| 27 Jun | New RomneyFolkestone And Hythe | SDP-Liberal Alliance 40.1% | Not known |
| 27 Jun | WisseyKing's Lynn And West Norfolk | Conservative 64.9% | Not known |
| 27 Jun | DaltonKirklees | SDP-Liberal Alliance 44.2% | Not known |
| 27 Jun | Penzance WestPenwith | Conservative 91.3% | Not known |
| 27 Jun | Dymchurch & BurmarshShepway | SDP-Liberal Alliance 55.7% | Not known |
| 27 Jun | Taunton HolwayTaunton Deane | SDP-Liberal Alliance 46.1% | Not known |
| 27 Jun | Kingsteignton WestTeignbridge | SDP-Liberal Alliance 44.4% | Not known |
| 4 Jul | Cheshunt Central [merged 953ea5e1]Broxbourne | Conservative 43.5% | Not known |
| 4 Jul | Rosedale [merged f5c3f784]Broxbourne | SDP-Liberal Alliance 40.8% | Not known |
| 4 Jul | Old Whittington [merged 5b27fe98]Chesterfield | Labour 61.7% | Not known |
| 4 Jul | DiptonDerwentside | Labour | Not known |
| 4 Jul | Ebchester and MedomsleyDerwentside | Labour 42.2% | Not known |
| 4 Jul | Hanham Abbots WestKingswood | SDP-Liberal Alliance 45.2% | Not known |
| 4 Jul | GreenfieldRossendale | Labour 61.7% | Not known |
| 4 Jul | HelmshoreRossendale | Conservative 37.0% | Not known |
| 4 Jul | NewtonSandwell | SDP-Liberal Alliance 56.2% | Not known |
| 4 Jul | BroomhillSheffield | Labour 35.2% | Not known |
| 4 Jul | ParkSheffield | Labour 88.4% | Not known |
| 4 Jul | Washington EastSunderland | Labour 62.1% | Not known |
| 4 Jul | Beacon RoadThanet | SDP-Liberal Alliance 41.7% | Not known |
| 11 Jul | BostallBexley | Conservative 43.2% | Not known |
| 11 Jul | Strelley & TrowellBroxtowe | SDP-Liberal Alliance 43.9% | Not known |
| 11 Jul | St. AndrewsChelmsford | Labour 36.3% | Not known |
| 11 Jul | Mold WestDelyn | Labour 57.1% | Not known |
| 11 Jul | KibworthHarborough | Conservative 48.4% | Not known |
| 11 Jul | EastMaidstone | SDP-Liberal Alliance 64.1% | Not known |
| 11 Jul | BasfordNottingham | Labour 42.6% | Not known |
| 11 Jul | AbbeyRedditch | Labour 37.6% | Not known |
| 11 Jul | Hullbridge RiversideRochford | Labour 38.3% | Not known |
| 11 Jul | Rochford St. AndrewsRochford | Labour 36.3% | Not known |
| 11 Jul | NewhallSouth Derbyshire | Labour 50.3% | Not known |
| 11 Jul | PutneyWandsworth | Labour 61.4% | Not known |
| 11 Jul | Dulverton and BrushfordWest Somerset | Not recorded | Not known |
| 18 Jul | SpenKirklees | Labour 45.9% | Not known |
| 18 Jul | St. AndrewLewisham | Conservative 40.2% | Not known |
| 18 Jul | LinkMalvern Hills | SDP-Liberal Alliance 50.8% | Not known |
| 18 Jul | TrinityMalvern Hills | SDP-Liberal Alliance 60.5% | Not known |
| 18 Jul | NetherwittonNorthumberland | SDP-Liberal Alliance 48.5% | Not known |
| 18 Jul | Pleasley Hill & BroomhillNottinghamshire | SDP-Liberal Alliance 58.4% | Not known |
| 18 Jul | Failsworth WestOldham | Labour 48.6% | Not known |
| 18 Jul | HollingtonSouth Herefordshire | SDP-Liberal Alliance 58.1% | Not known |
| 18 Jul | SpitalfieldsTower Hamlets | Labour 45.2% | Not known |
| 18 Jul | Little HungerfordWokingham | SDP-Liberal Alliance 58.2% | Not known |
| 25 Jul | Sutton-In-Ashfield EastAshfield | SDP-Liberal Alliance 44.8% | Not known |
| 25 Jul | DownlandsHampshire | SDP-Liberal Alliance 58.9% | Not known |
| 25 Jul | LacockNorth Wiltshire | SDP-Liberal Alliance 55.1% | Not known |
| 25 Jul | BattleReading | Labour 43.3% | Not known |
| 25 Jul | Kings Sombourne & MichelmershTest Valley | SDP-Liberal Alliance 51.4% | Not known |
| 25 Jul | BrunswickWarwick | Labour 75.0% | Not known |
| 1 Aug | SudburyBrent | Conservative 45.8% | Not known |
| 1 Aug | ClystbeareEast Devon | Conservative 53.5% | Not known |
| 1 Aug | SarisburyFareham | SDP-Liberal Alliance 64.3% | Not known |
| 1 Aug | StarbeckHarrogate | SDP-Liberal Alliance 50.5% | Not known |
| 1 Aug | LarkhallLambeth | Labour 58.6% | Not known |
| 1 Aug | Crowborough EastWealden | SDP-Liberal Alliance 63.3% | Not known |
| 8 Aug | Sileby [merged 8eb71873]Charnwood | Conservative 49.0% | Not known |
| 8 Aug | Bridlington HilderthorpeEast Yorkshire | SDP-Liberal Alliance 53.4% | Not known |
| 15 Aug | Stanhope [merged fdcc0e2d]Ashford | SDP-Liberal Alliance 56.3% | Not known |
| 15 Aug | RiversideSouthwark | SDP-Liberal Alliance 65.3% | Not known |
| 22 Aug | WestGreat Grimsby | SDP-Liberal Alliance 42.6% | Not known |
| 22 Aug | HarlowHarrogate | SDP-Liberal Alliance 47.5% | Not known |
| 22 Aug | Frome KeyfordMendip | SDP-Liberal Alliance 73.7% | Not known |
| 22 Aug | RillingtonRyedale | Not recorded | Not known |
| 29 Aug | Hulton ParkBolton | SDP-Liberal Alliance 44.3% | Not known |
| 5 Sept | YstradgynlaisBrecknock | Labour 79.3% | Not known |
| 5 Sept | Ashton [merged c8a60244]Fylde | Conservative 53.1% | Not known |
| 5 Sept | HarnhamSalisbury | SDP-Liberal Alliance 45.9% | Not known |
| 5 Sept | Margate WestThanet | SDP-Liberal Alliance 40.6% | Not known |
| 5 Sept | WollastonWellingborough | Conservative 53.8% | Not known |
| 12 Sept | Wilmington EastDartford | Conservative 36.2% | Not known |
| 12 Sept | Dartford South WestKent | Labour 44.2% | Not known |
| 12 Sept | MandaleStockton-on-Tees | SDP-Liberal Alliance 52.1% | Not known |
| 12 Sept | BlackwallTower Hamlets | Labour 51.0% | Not known |
| 19 Sept | St. StephensCanterbury | SDP-Liberal Alliance 46.6% | Not known |
| 19 Sept | RotherChesterfield | Labour 71.7% | Not known |
| 19 Sept | WoodthorpeGedling | Conservative 58.0% | Not known |
| 19 Sept | CastleLancaster | Labour 46.4% | Not known |
| 19 Sept | Skerton EastLancaster | Labour 76.4% | Not known |
| 19 Sept | Bramcote & Stapleford EastNottinghamshire | SDP-Liberal Alliance 44.6% | Not known |
| 19 Sept | HaydonTynedale | Labour 58.5% | Not known |
| 19 Sept | Clevedon WestWoodspring | SDP-Liberal Alliance 43.3% | Not known |
| 26 Sept | NordenBasingstoke and Deane | Labour 45.3% | Not known |
| 26 Sept | Overton & LaverstokeBasingstoke and Deane | SDP-Liberal Alliance 46.4% | Not known |
| 26 Sept | BoscawenCarrick | SDP-Liberal Alliance 55.7% | Not known |
| 26 Sept | RainhamHavering | SDP-Liberal Alliance 70.8% | Not known |
| 26 Sept | All SaintsHigh Peak | Labour 48.4% | Not known |
| 26 Sept | ForestHorsham | SDP-Liberal Alliance 46.4% | Not known |
| 26 Sept | SouthwaterHorsham | SDP-Liberal Alliance 55.3% | Not known |
| 26 Sept | East BedfontHounslow | SDP-Liberal Alliance 39.5% | Not known |
| 26 Sept | Seaford CentralLewes | SDP-Liberal Alliance 50.9% | Not known |
| 26 Sept | East Grinstead NorthMid Sussex | SDP-Liberal Alliance 60.4% | Not known |
| 26 Sept | CastleNewcastle Upon Tyne | SDP-Liberal Alliance 52.6% | Not known |
| 26 Sept | HeatonNewcastle Upon Tyne | Labour 38.3% | Not known |
| 26 Sept | MoorsideNewcastle Upon Tyne | Labour 57.4% | Not known |
| 26 Sept | St. AlbansNorthampton | Labour 46.9% | Not known |
| 26 Sept | WestonNorthampton | Conservative 57.2% | Not known |
| 26 Sept | St. AlphegeSolihull | Conservative 54.5% | Not known |
| 26 Sept | Codsall SouthSouth Staffordshire | SDP-Liberal Alliance 46.3% | Not known |
| 26 Sept | CodsallStaffordshire | SDP-Liberal Alliance 48.6% | Not known |
| 26 Sept | BredburyStockport | SDP-Liberal Alliance 63.5% | Not known |
| 26 Sept | Ashridge [merged b0563971]Three Rivers | SDP-Liberal Alliance 56.4% | Not known |
| 26 Sept | CarltonWaveney | Conservative 39.1% | Not known |
| 26 Sept | WainfordWaveney | Conservative 40.3% | Not known |
| 26 Sept | YetminsterWest Dorset | SDP-Liberal Alliance 41.8% | Not known |
| 26 Sept | Church StreetWestminster | Labour 56.9% | Not known |
| 26 Sept | Wednesfield SouthWolverhampton | Labour 42.6% | Not known |
| 3 Oct | HothamArun | SDP-Liberal Alliance 54.9% | Not known |
| 3 Oct | Mirehouse EastCopeland | Labour 77.8% | Not known |
| 3 Oct | NorthGillingham | SDP-Liberal Alliance 40.3% | Not known |
| 3 Oct | BARLESTONE NAILSTONE & OSBASTONHinckley And Bosworth | SDP-Liberal Alliance 56.5% | Not known |
| 3 Oct | AlexandraLancaster | Labour 38.5% | Not known |
| 3 Oct | SilverdaleLancaster | Conservative 39.9% | Not known |
| 3 Oct | GrangetownLangbaurgh | Labour 66.0% | Not known |
| 3 Oct | Shaftesbury GrosvenorNorth Dorset | SDP-Liberal Alliance | Not known |
| 3 Oct | MapperleyNottinghamshire | Conservative 44.8% | Not known |
| 3 Oct | WestfieldWansdyke | Labour 51.7% | Not known |
| 3 Oct | Swindon FreshbrookWiltshire | SDP-Liberal Alliance 42.4% | Not known |
| 10 Oct | Coedffranc CentralNeath | Labour 50.9% | Not known |
| 10 Oct | Coedffranc NorthNeath | SDP-Liberal Alliance 58.4% | Not known |
| 10 Oct | Brampton & WaltonNorth East Derbyshire | Conservative 41.3% | Not known |
| 10 Oct | HaywoodStafford | SDP-Liberal Alliance 57.7% | Not known |
| 17 Oct | PrestonBrent | Conservative 55.9% | Not known |
| 17 Oct | Spondon [merged 665ae43e]Derby [merged 9923a578] | Labour 42.8% | Not known |
| 17 Oct | Ilkeston NorthErewash | Labour 58.4% | Not known |
| 17 Oct | NeylandPreseli Pembrokeshire | Not recorded | Not known |
| 17 Oct | CastlePurbeck | SDP-Liberal Alliance 51.0% | Not known |
| 17 Oct | Burnham NorthSedgemoor | Conservative 60.7% | Not known |
| 17 Oct | Ancholme ValleyWest Lindsey | Conservative 50.8% | Not known |
| 17 Oct | Mid Wylye ValleyWest Wiltshire | Conservative 49.4% | Not known |
| 17 Oct | OrrellWigan | Labour 38.3% | Not known |
| 24 Oct | St. MichaelsAllerdale | Labour 65.6% | Not known |
| 24 Oct | St. Bees & GosforthCumbria | Conservative 51.7% | Not known |
| 24 Oct | Wimbourne MinsterEast Dorset | Not recorded | Not known |
| 24 Oct | Hersham SouthElmbridge | Conservative 39.4% | Not known |
| 24 Oct | AshGuildford | SDP-Liberal Alliance 52.0% | Not known |
| 24 Oct | RoystonHertfordshire | SDP-Liberal Alliance 85.2% | Not known |
| 24 Oct | NordenHyndburn | SDP-Liberal Alliance 38.1% | Not known |
| 24 Oct | SaintsLuton | Labour 35.8% | Not known |
| 24 Oct | CravenMelton | SDP-Liberal Alliance 56.0% | Not known |
| 24 Oct | Melton DorianMelton | SDP-Liberal Alliance 50.0% | Not known |
| 24 Oct | BlidworthNewark And Sherwood | Labour 48.1% | Not known |
| 24 Oct | Dodington NorthNorthavon | SDP-Liberal Alliance 51.0% | Not known |
| 24 Oct | HighlandPortsmouth | SDP-Liberal Alliance 40.9% | Not known |
| 24 Oct | BelfairsSouthend-On-Sea | SDP-Liberal Alliance 53.5% | Not known |
| 24 Oct | BatchwoodSt. Albans | SDP-Liberal Alliance 39.8% | Not known |
| 24 Oct | HershamSurrey | SDP-Liberal Alliance 39.6% | Not known |
| 24 Oct | AlameinTest Valley | SDP-Liberal Alliance 50.5% | Not known |
| 24 Oct | HarrowayTest Valley | SDP-Liberal Alliance 46.2% | Not known |
| 24 Oct | St LawrenceThanet | Conservative 33.9% | Not known |
| 24 Oct | Aston Bampton & StandlakeWest Oxfordshire | Conservative 60.2% | Not known |
| 31 Oct | BucklandDover | Labour 60.1% | Not known |
| 31 Oct | Maxton & Elms ValeDover | SDP-Liberal Alliance 37.6% | Not known |
| 31 Oct | RiverDover | Conservative 42.0% | Not known |
| 31 Oct | Dover CentralKent | Labour 43.4% | Not known |
| 31 Oct | Tulse HillLambeth | Labour 59.7% | Not known |
| 31 Oct | West MalvernMalvern Hills | SDP-Liberal Alliance 55.9% | Not known |
| 31 Oct | Rea ValleyShrewsbury and Atcham | Conservative 51.7% | Not known |
| 31 Oct | Rainbow HillWorcester | Labour 77.9% | Not known |
| 31 Oct | Lacey Green Speen & The HampdensWycombe | SDP-Liberal Alliance 51.4% | Not known |
| 7 Nov | Belper NorthAmber Valley | Conservative 51.8% | Not known |
| 7 Nov | PetworthChichester | SDP-Liberal Alliance 52.3% | Not known |
| 7 Nov | Acre RiggEasington | SDP-Liberal Alliance 60.9% | Not known |
| 7 Nov | ShalbourneKennet | Not recorded | Not known |
| 7 Nov | Cadley [merged 55495ed2]Preston | Conservative 48.9% | Not known |
| 7 Nov | BirleySheffield | Labour 66.1% | Not known |
| 7 Nov | MosboroughSheffield | Other 56.5% | Not known |
| 7 Nov | Long RowSouth Norfolk | Independent 41.4% | Not known |
| 7 Nov | Felixstowe EastSuffolk Coastal | Conservative 49.7% | Not known |
| 7 Nov | HasketonSuffolk Coastal | Conservative 53.1% | Not known |
| 7 Nov | WrothamTonbridge And Malling | Conservative 38.4% | Not known |
| 14 Nov | WarnellCumbria | SDP-Liberal Alliance 48.8% | Not known |
| 14 Nov | Bridlington Old Town WestEast Yorkshire | SDP-Liberal Alliance 37.2% | Not known |
| 14 Nov | MawrLliw Valley | Plaid Cymru - The Party of Wales 61.4% | Not known |
| 14 Nov | Churnet ValleyStaffordshire | Conservative 44.4% | Not known |
| 14 Nov | St. PaulsSurrey Heath | Conservative 62.9% | Not known |
| 14 Nov | AbbotskerswellTeignbridge | SDP-Liberal Alliance 82.0% | Not known |
| 14 Nov | BoveyTeignbridge | Conservative 63.6% | Not known |
| 14 Nov | GowertonWest Glamorgan | Labour 44.5% | Not known |
| 19 Nov | ClatterbridgeWirral | Conservative 54.4% | Not known |
| 21 Nov | WoodlandsCoventry | SDP-Liberal Alliance 48.8% | Not known |
| 21 Nov | Roxbourne [merged d1f63c5d]Harrow [merged 0676472d] | SDP-Liberal Alliance 35.2% | Not known |
| 21 Nov | St Mary'sOldham | Labour 54.9% | Not known |
| 21 Nov | Codsall SouthSouth Staffordshire | Conservative 52.2% | Not known |
| 21 Nov | KesgraveSuffolk Coastal | Conservative 54.4% | Not known |
| 21 Nov | FairfieldWarrington | Labour 46.6% | Not known |
| 28 Nov | Llandudno WestAberconwy | Labour 49.0% | Not known |
| 28 Nov | Bank TopBlackburn | Labour 60.7% | Not known |
| 28 Nov | RyburnCalderdale | Conservative 40.7% | Not known |
| 28 Nov | StokesleyHambleton | SDP-Liberal Alliance 54.4% | Not known |
| 28 Nov | Wansbeck Bedlington CentralNorthumberland | Labour 47.0% | Not known |
| 28 Nov | HarrowbySouth Kesteven | Labour 70.8% | Not known |
| 28 Nov | SeatonWansbeck | Labour 69.5% | Not known |
| 28 Nov | OwermoigneWest Dorset | SDP-Liberal Alliance 50.3% | Not known |
| 5 Dec | IsabellaBlyth Valley | SDP-Liberal Alliance 51.5% | Not known |
| 5 Dec | Seaton DelavalBlyth Valley | SDP-Liberal Alliance 56.6% | Not known |
| 5 Dec | Fenside [merged b39a64f7]Boston | Labour 43.2% | Not known |
| 5 Dec | Boreham & SpringfieldChelmsford | SDP-Liberal Alliance 64.8% | Not known |
| 5 Dec | TwynhamChristchurch | SDP-Liberal Alliance 48.6% | Not known |
| 5 Dec | KingswoodCorby | Labour 52.5% | Not known |
| 5 Dec | SohamEast Cambridgeshire | SDP-Liberal Alliance 54.8% | Not known |
| 5 Dec | OutwoodsEast Staffordshire | Conservative 57.0% | Not known |
| 5 Dec | BalaGwynedd | Plaid Cymru - The Party of Wales 70.4% | Not known |
| 5 Dec | FazeleyLichfield | Labour 57.9% | Not known |
| 5 Dec | LevenshulmeManchester | SDP-Liberal Alliance 50.7% | Not known |
| 5 Dec | MiltonNew Forest | SDP-Liberal Alliance 50.1% | Not known |
| 5 Dec | Totton NorthNew Forest | SDP-Liberal Alliance 53.6% | Not known |
| 5 Dec | St OswaldSefton | Labour 62.5% | Not known |
| 5 Dec | WhartonVale Royal | SDP-Liberal Alliance 67.1% | Not known |
| 5 Dec | HurleyWindsor & Maidenhead | SDP-Liberal Alliance 44.6% | Not known |
| 5 Dec | Little MarlowWycombe | Conservative 69.9% | Not known |
| 12 Dec | ApplebyCumbria | Conservative 50.3% | Not known |
| 12 Dec | Tring CentralDacorum | SDP-Liberal Alliance 44.9% | Not known |
| 12 Dec | No. 31 (Exmouth: Littleham Rural)East Devon | Conservative 47.5% | Not known |
| 12 Dec | WedderburnHarrogate | SDP-Liberal Alliance 57.0% | Not known |
| 12 Dec | De MontfortHinckley And Bosworth | SDP-Liberal Alliance 46.0% | Not known |
| 12 Dec | HartonSouth Tyneside | Labour 48.9% | Not known |
| 12 Dec | ShrivenhamVale Of White Horse | SDP-Liberal Alliance 58.3% | Not known |
| 19 Dec | Brislington EastBristol, City of | Labour 38.0% | Not known |
| 19 Dec | BartonDover | Conservative 35.2% | Not known |
| 19 Dec | SweeneyOswestry | Labour 45.5% | Not known |
| 19 Dec | LiddleSouthwark | Labour 81.7% | Not known |
