Largest margins in List A by Innings, runs & wickets for Essex vs Middlesex
By runs
Winner | Margin | Balls Rem | Target | Overs | Max | Opposition | Ground | Match Date | Scorecard |
| 84 runs | - | 215 | 50.0 | 60.0 | v Middlesex | Chelmsford | 17 Jul 1985 | List A | |
| 82 runs | - | 198 | 50.3 | 55.0 | v Middlesex | Lord's | 26 Apr 1975 | List A | |
| 71 runs | - | 233 | 42.0 | 50.0 | v Middlesex | Chelmsford | 7 May 2001 | List A | |
| 66 runs | - | 257 | 37.5 | 40.0 | v Middlesex | Chelmsford | 4 May 1997 | List A | |
| 62 runs | - | 203 | 46.0 | 55.0 | v Middlesex | Chelmsford | 19 Jun 1985 | List A | |
| 60 runs | - | 144 | 23.0 | 23.0 | v Middlesex | Chelmsford | 30 Apr 2000 | List A | |
| 54 runs | - | 253 | 35.1 | 35.1 | v Essex | Lord's | 27 Aug 2012 | List A | |
| 51 runs | - | 233 | 55.0 | 55.0 | v Essex | Lord's | 3 Jun 1972 | List A | |
| 43 runs | - | 162 | 34.2 | 40.0 | v Middlesex | Westcliff-on-Sea | 12 Jul 1970 | List A | |
| 41 runs | - | 210 | 37.4 | 45.0 | v Essex | Chelmsford | 22 Jul 2002 | List A | |
| 38 runs | - | 367 | 49.2 | 50.0 | v Essex | Chelmsford | 19 Apr 2019 | List A | |
| 36 runs | - | 183 | 33.0 | 33.0 | v Middlesex | Lord's | 27 Jun 1971 | List A | |
| 22 runs | - | 99 | 25.0 | 25.0 | v Essex | Lord's | 28 May 2008 | List A | |
| 21 runs | - | 216 | 38.0 | 38.0 | v Middlesex | Ilford | 15 Jun 1969 | List A | |
| 8 runs | - | 233 | 50.0 | 50.0 | v Middlesex | Lord's | 27 May 1998 | List A | |
| 4 runs | - | 197 | 54.1 | 55.0 | v Essex | Lord's | 23 Jul 1983 | List A | |
| 4 runs | - | 203 | 45.0 | 45.0 | v Middlesex | Southend-on-Sea | 7 Aug 2005 | List A | |
| 4 runs | - | 220 | 50.0 | 50.0 | v Essex | Lord's | 31 Jul 2016 | List A | |
| 3 runs | - | 299 | 48.5 | 50.0 | v Middlesex | Chelmsford | 11 Aug 2023 | List A | |
| 2 runs | - | 201 | 40.0 | 40.0 | v Essex | Uxbridge | 19 May 1998 | List A |
By wickets
Winner | Margin | Balls Rem | Target | Overs | Max | Opposition | Ground | Match Date | Scorecard |
| 10 wickets | 127 | 134 | 33.5 | 55.0 | v Middlesex | Harlow | 2 Jun 1973 | List A | |
| 9 wickets | 129 | 145 | 18.3 | 40.0 | v Middlesex | Southend-on-Sea | 6 Aug 2006 | List A | |
| 9 wickets | 28 | 278 | 45.2 | 50.0 | v Middlesex | Chelmsford | 20 May 2007 | List A | |
| 9 wickets | 15 | 147 | 22.3 | 25.0 | v Essex | Chelmsford | 18 Jul 2012 | List A | |
| 9 wickets | 66 | 213 | 39.0 | 50.0 | v Middlesex | Chelmsford | 25 Jul 2021 | List A | |
| 8 wickets | 252 | 42 | 18.0 | 60.0 | v Middlesex | Westcliff-on-Sea | 19 Jul 1972 | List A | |
| 8 wickets | 179 | 114 | 25.1 | 55.0 | v Middlesex | Chelmsford | 12 May 1987 | List A | |
| 8 wickets | 42 | 260 | 43.0 | 50.0 | v Middlesex | Chelmsford | 18 May 2008 | List A | |
| 7 wickets | 161 | 107 | 28.1 | 55.0 | v Middlesex | Chelmsford | 22 May 1976 | List A | |
| 7 wickets | 29 | 226 | 50.1 | 55.0 | v Essex | Chelmsford | 25 Apr 1995 | List A | |
| 7 wickets | 48 | 214 | 37.0 | 45.0 | v Middlesex | Chelmsford | 2 Jul 2000 | List A | |
| 7 wickets | 39 | 190 | 33.3 | 40.0 | v Middlesex | Chelmsford | 2 Sep 2010 | List A | |
| 7 wickets | 122 | 149 | 29.4 | 50.0 | v Middlesex | Chelmsford | 12 May 2017 | List A | |
| 6 wickets | 17 | 297 | 47.1 | 50.0 | v Middlesex | Colchester | 5 Aug 2015 | List A | |
| 6 wickets | 44 | 251 | 42.4 | 50.0 | v Middlesex | Radlett | 17 May 2018 | List A | |
| 5 wickets | 42 | 151 | 43.0 | 50.0 | v Middlesex | Chelmsford | 28 Apr 1996 | List A | |
| 5 wickets | 11 | 292 | 48.1 | 50.0 | v Middlesex | Chelmsford | 24 May 2002 | List A | |
| 5 wickets | 35 | 203 | 44.1 | 50.0 | v Essex | Lord's | 4 Jun 2006 | List A | |
| 4 wickets | 192 | 74 | 23.0 | 55.0 | v Middlesex | Lord's | 16 May 1985 | List A | |
| 4 wickets | 39 | 174 | 38.3 | 45.0 | v Middlesex | Colchester | 28 Aug 2001 | List A | |
| 3 wickets | 47 | 187 | 47.1 | 55.0 | v Middlesex | Chelmsford | 2 May 1991 | List A |
By balls remaining in the second innings
Winner | Margin | Balls Rem | Target | Overs | Max | Opposition | Ground | Match Date | Scorecard |
| 8 wickets | 252 | 42 | 18.0 | 60.0 | v Middlesex | Westcliff-on-Sea | 19 Jul 1972 | List A | |
| 4 wickets | 192 | 74 | 23.0 | 55.0 | v Middlesex | Lord's | 16 May 1985 | List A | |
| 8 wickets | 179 | 114 | 25.1 | 55.0 | v Middlesex | Chelmsford | 12 May 1987 | List A | |
| 7 wickets | 161 | 107 | 28.1 | 55.0 | v Middlesex | Chelmsford | 22 May 1976 | List A | |
| 9 wickets | 129 | 145 | 18.3 | 40.0 | v Middlesex | Southend-on-Sea | 6 Aug 2006 | List A | |
| 10 wickets | 127 | 134 | 33.5 | 55.0 | v Middlesex | Harlow | 2 Jun 1973 | List A | |
| 7 wickets | 122 | 149 | 29.4 | 50.0 | v Middlesex | Chelmsford | 12 May 2017 | List A | |
| 9 wickets | 66 | 213 | 39.0 | 50.0 | v Middlesex | Chelmsford | 25 Jul 2021 | List A | |
| 7 wickets | 48 | 214 | 37.0 | 45.0 | v Middlesex | Chelmsford | 2 Jul 2000 | List A | |
| 3 wickets | 47 | 187 | 47.1 | 55.0 | v Middlesex | Chelmsford | 2 May 1991 | List A | |
| 6 wickets | 44 | 251 | 42.4 | 50.0 | v Middlesex | Radlett | 17 May 2018 | List A | |
| 5 wickets | 42 | 151 | 43.0 | 50.0 | v Middlesex | Chelmsford | 28 Apr 1996 | List A | |
| 8 wickets | 42 | 260 | 43.0 | 50.0 | v Middlesex | Chelmsford | 18 May 2008 | List A | |
| 4 wickets | 39 | 174 | 38.3 | 45.0 | v Middlesex | Colchester | 28 Aug 2001 | List A | |
| 7 wickets | 39 | 190 | 33.3 | 40.0 | v Middlesex | Chelmsford | 2 Sep 2010 | List A | |
| 5 wickets | 35 | 203 | 44.1 | 50.0 | v Essex | Lord's | 4 Jun 2006 | List A | |
| 7 wickets | 29 | 226 | 50.1 | 55.0 | v Essex | Chelmsford | 25 Apr 1995 | List A | |
| 9 wickets | 28 | 278 | 45.2 | 50.0 | v Middlesex | Chelmsford | 20 May 2007 | List A | |
| 6 wickets | 17 | 297 | 47.1 | 50.0 | v Middlesex | Colchester | 5 Aug 2015 | List A | |
| 9 wickets | 15 | 147 | 22.3 | 25.0 | v Essex | Chelmsford | 18 Jul 2012 | List A | |
| 5 wickets | 11 | 292 | 48.1 | 50.0 | v Middlesex | Chelmsford | 24 May 2002 | List A | |
| 5 wickets | 7 | 237 | 53.5 | 55.0 | v Middlesex | Lord's | 14 May 1988 | List A | |
| 4 wickets | 7 | 234 | 48.5 | 50.0 | v Essex | Chelmsford | 7 May 1998 | List A | |
| 1 wicket | 2 | 244 | 44.4 | 45.0 | v Middlesex | Lord's | 5 Jun 2005 | List A | |
| 2 wickets | 1 | 77 | 9.5 | 10.0 | v Essex | Lord's | 4 Aug 2002 | List A | |
| 1 wicket | - | 227 | 50.0 | 50.0 | v Middlesex | Lord's | 30 Apr 1997 | List A |
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