| 7 May 2026 | Local Elections 2026 | Hatfield Central | Welwyn Hatfield | Reform UK | 565 | 33.3% | 1st | Yes |
| 7 May 2026 | Local Elections 2026 | Heneage | North East Lincolnshire | Conservative Party | 109 | 4.6% | 5th | No |
| 1 May 2025 | Local Elections 2025 | Deerness | County Durham | Conservative Party | 94 | 1.5% | 9th | No |
| 1 May 2025 | Local Elections 2025 | Welwyn | Hertfordshire | Reform UK | 961 | 22.5% | 2nd | No |
| 2 May 2024 | Local Elections 2024 | Hatfield Central | Welwyn Hatfield | Reform UK | 135 | 10.1% | 3rd | No |
| 5 May 2022 | Local Elections 2022 | Beam | Barking and Dagenham | Conservative Party | 426 | 11% | 5th | No |
| 5 May 2022 | Local Elections 2022 | Balderstone & Kirkholt | Rochdale | Conservative Party | 473 | 9% | 5th | No |
| 5 May 2022 | Local Elections 2022 | Llandaff | Cardiff | Conservative Party | 1,140 | 15.3% | 3rd | No |
| 5 May 2022 | Local Elections 2022 | Hatfield Central | Welwyn Hatfield | Conservative Party | 466 | 33.4% | 2nd | No |
| 2 May 2019 | Local Elections 2019 | Heneage | North East Lincolnshire | Conservative Party | 595 | 30.6% | 2nd | No |
| 2 May 2019 | Local Elections 2019 | Cullompton North | Mid Devon | Conservative Party | 216 | 13.1% | 4th | No |
| 2 May 2019 | Local Elections 2019 | Northstead | Scarborough | Conservative Party | 315 | 7.2% | 8th | No |
| 2 May 2019 | Local Elections 2019 | Newstead Abbey | Gedling | Conservative Party | 1,538 | 20.8% | 2nd | Yes |
| 2 May 2019 | Local Elections 2019 | Overton | Lancaster | Conservative Party | 291 | 45.7% | 1st | Yes |
| 3 May 2018 | Local Elections 2018 | Empress | Rushmoor | Conservative Party | 784 | 49.6% | 1st | Yes |
| 3 May 2018 | Local Elections 2018 | Heneage | North East Lincolnshire | Conservative Party | 681 | 33.3% | 2nd | No |
| 28 September 2017 | Local by-elections 28 Sep 2017 | Trimdon And Thornley | County Durham | Conservative Party | 112 | 6.4% | 4th | No |
| 4 May 2017 | Local Elections 2017 | Nevilles Cross | County Durham | Conservative Party | 309 | 5.9% | 6th | No |
| 4 May 2017 | Local Elections 2017 | Sketty | Swansea | Conservative Party | 1,218 | 5.6% | 12th | No |
| 5 May 2016 | Local Elections 2016 | Howlands | Welwyn Hatfield | Conservative Party | 498 | 11.4% | 5th | No |
| 5 May 2016 | Local Elections 2016 | Halewood North | Knowsley | Conservative Party | 274 | 5.7% | 6th | No |
| 7 May 2015 | Local Elections 2015 | Ilkley | Bradford | Conservative Party | 4,402 | 47.7% | 1st | Yes |
| 7 May 2015 | Local Elections 2015 | Kempston Rural | Bedford | Conservative Party | 2,074 | 70.1% | 1st | Yes |
| 7 May 2015 | Local Elections 2015 | North Bay | Scarborough | Conservative Party | 462 | 15.1% | 2nd | Yes |
| 22 May 2014 | Local Elections 2014 | Empress | Rushmoor | Conservative Party | 786 | 44.1% | 1st | Yes |
| 22 May 2014 | Local Elections 2014 | Bow West | Tower Hamlets | Conservative Party | 627 | 7.6% | 4th | No |
| 2 May 2013 | Local Elections 2013 | Skegness North | Lincolnshire | Conservative Party | 561 | 27.6% | 3rd | No |
| 2 May 2013 | Local Elections 2013 | Nevilles Cross | County Durham | Conservative Party | 247 | 5.1% | 7th | No |
| 3 May 2012 | Local Elections 2012 | Horsell East and Woodham | Woking | Conservative Party | 905 | 65.1% | 1st | Yes |
| 5 May 2011 | Local Elections 2011 | Kempston Rural | Bedford | Conservative Party | 863 | 57.5% | 1st | Yes |
| 5 May 2011 | Local Elections 2011 | North Bay | Scarborough | Conservative Party | 346 | 18.8% | 2nd | Yes |
| 5 May 2011 | Local Elections 2011 | Chesham Bois and Weedon Hill | Chiltern | Conservative Party | 1,448 | 34.6% | 2nd | Yes |
| 6 May 2010 | Local Elections 2010 | Bethnal Green North | Tower Hamlets | Conservative Party | 439 | 3.2% | 13th | No |
| 6 May 2010 | Local Elections 2010 | Claydon | Great Yarmouth | Conservative Party | 1,222 | 22.5% | 4th | No |
| 4 June 2009 | Local Elections 2009 | Weaponness and Ramshill | North Yorkshire | Conservative Party | 797 | 33.3% | 2nd | No |
| 4 June 2009 | Local Elections 2009 | Yarmouth Nelson And Southtown | Great Yarmouth | Conservative Party | 551 | 27.1% | 3rd | No |
| 4 June 2009 | Local Elections 2009 | Turvey | Bedford | Conservative Party | 672 | 67.9% | 1st | Yes |
| 4 June 2009 | Local Elections 2009 | Skegness North | East Lindsey | Conservative Party | 851 | 34.8% | 1st | Yes |
| 1 May 2008 | Local Elections 2008 | Nevilles Cross | Durham | Conservative Party | 411 | 8.1% | 3rd | No |
| 1 May 2008 | Local Elections 2008 | Horsell East and Woodham | Woking | Conservative Party | 1,100 | 70.3% | 1st | Yes |
| 3 May 2007 | Local Elections 2007 | Fleckney | Harborough | Conservative Party | 548 | 23.1% | 2nd | Yes |
| 3 May 2007 | Local Elections 2007 | Little Chalfont | Chiltern | Conservative Party | 828 | 32.7% | 2nd | Yes |
| 3 May 2007 | Local Elections 2007 | Turvey | Bedford | Conservative Party | 697 | 69.8% | 1st | Yes |
| 3 May 2007 | Local Elections 2007 | Nevilles Cross | Durham | Conservative Party | 142 | 6.4% | 5th | No |
| 3 May 2007 | Local Elections 2007 | Hardwick | Cambridgeshire | Conservative Party | 151 | 22.1% | 2nd | No |
| 3 May 2007 | Local Elections 2007 | Garscadden/Scotstounhill | Glasgow | Conservative Party | 534 | 5.3% | 5th | No |
| 3 May 2007 | Local Elections 2007 | North Bay | Scarborough | Conservative Party | 351 | 21.8% | 3rd | No |
| 3 May 2007 | Local Elections 2007 | Ilkley | Bradford | Conservative Party | 2,967 | 58.7% | 1st | Yes |
| 3 May 2007 | Local Elections 2007 | Kenn Valley | Teignbridge | Conservative Party | 619 | 15.9% | 4th | No |
| 4 May 2006 | Local Elections 2006 | Grange | Southwark | Conservative Party | 361 | 5.3% | 8th | No |
| 4 May 2006 | Local Elections 2006 | Kempston North | Bedford | Conservative Party | 592 | 40.6% | 2nd | No |
| 5 May 2005 | Local Elections 2005 | Weaponness and Ramshill | North Yorkshire | Conservative Party | 1,301 | 36% | 1st | Yes |
| 5 May 2005 | Local Elections 2005 | Kempston | Bedford | Conservative Party | 2,479 | 15.8% | 3rd | No |
| 10 June 2004 | Local Elections 2004 | Smallbridge & Firgrove | Rochdale | Conservative Party | 555 | 7.1% | 9th | No |
| 10 June 2004 | Local Elections 2004 | Horsell East and Woodham | Woking | Conservative Party | 914 | 50.7% | 1st | Yes |
| 10 June 2004 | Local Elections 2004 | Kempston North | Bedford | Conservative Party | 456 | 32.3% | 2nd | No |
| 1 May 2003 | Local Elections 2003 | Salcey | South Northamptonshire | Conservative Party | 0 | — | 1st | Yes |
| 1 May 2003 | Local Elections 2003 | Victoria Park | Glasgow | Conservative Party | 407 | 13.6% | 5th | No |
| 1 May 2003 | Local Elections 2003 | St. Nicholas | Durham | Conservative Party | 114 | 6% | 5th | No |
| 1 May 2003 | Local Elections 2003 | Moulsecoomb and Bevendean | Brighton & Hove | Conservative Party | 891 | 8.3% | 6th | No |
| 2 May 2002 | Local Elections 2002 | Mawneys | Havering | Conservative Party | 2,547 | 20.9% | 3rd | Yes |
| 2 May 2002 | Local Elections 2002 | Grange | Rushmoor | Conservative Party | 631 | 17.9% | 1st | Yes |
| 7 June 2001 | Local Elections 2001 | Nevilles Cross | Durham | Conservative Party | 620 | 16.4% | 3rd | No |
| 7 June 2001 | Local Elections 2001 | Pendle South | Pendle | Conservative Party | 1,528 | 26.7% | 2nd | No |
| 4 May 2000 | Local Elections 2000 | St. Anthonys | Eastbourne | Conservative Party | 1,744 | 62% | 1st | Yes |
| 6 May 1999 | Local Elections 1999 | Framwelgate | Durham | Conservative Party | 104 | 3.7% | 5th | No |
| 6 May 1999 | Local Elections 1999 | Stotfold | Mid Bedfordshire | Conservative Party | 1,024 | 25% | 3rd | No |
| 6 May 1999 | Local Elections 1999 | Market | Forest Heath | Conservative Party | 502 | 26.2% | 2nd | Yes |
| 6 May 1999 | Local Elections 1999 | Gresham | Middlesbrough | Conservative Party | 119 | 7% | 3rd | No |
| 6 May 1999 | Local Elections 1999 | Shepherdswell With Coldred | Dover Borough Council | Conservative Party | 422 | 51.2% | 1st | No |
| 6 May 1999 | Local Elections 1999 | Walkern | East Hertfordshire | Conservative Party | 467 | 56.6% | 1st | Yes |
| 6 May 1999 | Local Elections 1999 | Victoria Park | Glasgow City | Conservative Party | 461 | 13.9% | 4th | No |
| 6 May 1999 | Local Elections 1999 | Park (Cleethorpes) | North East Lincolnshire | Conservative Party | 434 | 9.8% | 6th | No |
| 1 May 1997 | Local Elections 1997 | Nevilles Cross | Durham | Conservative Party | 943 | 20.7% | 3rd | No |
| 4 May 1995 | Local Elections 1995 | Stotfold | Mid Bedfordshire | Conservative Party | 827 | 13.8% | 3rd | Yes |
| 4 May 1995 | Local Elections 1995 | Nevilles Cross | Durham | Conservative Party | 213 | 4.4% | 7th | No |
| 4 May 1995 | Local Elections 1995 | Ash | Dover Borough Council | Conservative Party | 466 | 25.1% | 1st | No |
| 4 May 1995 | Local Elections 1995 | Brotton | Redcar & Cleveland | Conservative Party | 330 | 14% | 3rd | No |
| 4 May 1995 | Local Elections 1995 | Park (Cleethorpes) | North East Lincolnshire | Conservative Party | 364 | 6.2% | 6th | No |
| 4 May 1995 | Local Elections 1995 | Walkern | East Hertfordshire | Conservative Party | 677 | 56.7% | 1st | No |
| 5 May 1994 | Local Elections 1994 | Smallbridge and Wardleworth | Rochdale | Conservative Party | 187 | 4.6% | 4th | No |
| 6 May 1993 | Local Elections 1993 | Newton Hall | Durham | Conservative Party | 231 | 9.5% | 3rd | No |
| 6 May 1993 | Local Elections 1993 | Haymill | Berkshire County Council | Conservative Party | 338 | 14.7% | 3rd | No |
| 2 May 1991 | Local Elections 1991 | Nevilles Cross | Durham | Conservative Party | 460 | 8% | 6th | No |
| 2 May 1991 | Local Elections 1991 | Oak Tree | Mansfield | Conservative Party | 647 | 11.8% | 6th | No |
| 2 May 1991 | Local Elections 1991 | Leeming | Mansfield | Conservative Party | 589 | 12.7% | 6th | No |
| 2 May 1991 | Local Elections 1991 | Smallbridge and Wardleworth | Rochdale | Conservative Party | 352 | 8.9% | 3rd | No |
| 2 May 1991 | Local Elections 1991 | Brotton | LANGBAURGH | Conservative Party | 736 | 22.6% | 1st | Yes |
| 11 June 1987 | UK General Election 11 Jun 1987 | Normanton | UK Parliamentary general election | Conservative Party | 16,016 | 34.1% | 2nd | No |
| 9 June 1983 | UK General Election 09 Jun 1983 | Workington | UK Parliamentary general election | Conservative Party | 16,111 | 36.1% | 2nd | No |
| 5 May 1983 | Local Elections 1983 | Drakes Cross | Bromsgrove | Conservative Party | 682 | 12.2% | 6th | No |
| 3 May 1979 | Local Elections 1979 | No. 3 (Harrogate: East Central) | Harrogate Borough Council | Conservative Party | 807 | 12.3% | 6th | No |
| 6 May 1976 | Local Elections 1976 | No. 5 (Farnborough: Central) | Rushmoor | Conservative Party | 1,066 | 7.8% | 9th | No |
| 2 May 1974 | Local Elections 1974 | Mandeville | Ealing Borough Council | Conservative Party | 1,243 | 11.1% | 4th | No |
| 7 June 1973 | Local Elections 1973 | Brompton | Gillingham Borough Council | Conservative Party | 697 | 15.4% | 6th | No |
| 7 June 1973 | Local Elections 1973 | Highworth | Thamesdown | Conservative Party | 572 | 14% | 5th | No |
| 7 June 1973 | Local Elections 1973 | No. 3 (Ashford: North) | Ashford | Conservative Party | 1,279 | 7.5% | 11th | No |
| 10 May 1973 | Local Elections 10 May 1973 (metropolitan and Welsh districts) | No. 21 (West Bromwich: Hilltop) | Sandwell | Conservative Party | 270 | 6.9% | 6th | No |
| 8 May 1969 | Local Elections 1969 | All Saints' | Stamford Borough Council | Conservative Party | 795 | 21.7% | 2nd | No |
| 8 May 1969 | Local Elections 1969 | Fareham East | YEOVIL | Conservative Party | 628 | 38.9% | 1st | Yes |