| June 2026 | Violence and sexual offences | On or near Stuart RoadWelwyn Hatfield 002D | Under investigation |
| June 2026 | Other crime | On or near Windsor CloseWelwyn Hatfield 002D | Under investigation |
| June 2026 | Violence and sexual offences | On or near HospitalWelwyn Hatfield 002D | Unable to prosecute suspect |
| June 2026 | Violence and sexual offences | On or near HospitalWelwyn Hatfield 002D | Unable to prosecute suspect |
| June 2026 | Violence and sexual offences | On or near Butterwick WayWelwyn Hatfield 002D | Under investigation |
| June 2026 | Violence and sexual offences | On or near Windsor CloseWelwyn Hatfield 002D | Under investigation |
| June 2026 | Burglary | On or near Tudor RoadWelwyn Hatfield 002D | Investigation complete; no suspect identified |
| June 2026 | Criminal damage and arson | On or near Ayot St Peter RoadWelwyn Hatfield 002C | Investigation complete; no suspect identified |
| May 2026 | Violence and sexual offences | On or near Barbara CourtWelwyn Hatfield 002D | Under investigation |
| May 2026 | Violence and sexual offences | On or near Tomlinson CourtWelwyn Hatfield 002D | Unable to prosecute suspect |
| May 2026 | Public order | On or near School LaneWelwyn Hatfield 002C | Investigation complete; no suspect identified |
| May 2026 | Anti-social behaviour | On or near School LaneWelwyn Hatfield 002C | Outcome not supplied |
| April 2026 | Violence and sexual offences | On or near Stuart RoadWelwyn Hatfield 002D | Under investigation |
| April 2026 | Criminal damage and arson | On or near Stuart RoadWelwyn Hatfield 002D | Investigation complete; no suspect identified |
| April 2026 | Burglary | On or near Butterwick WayWelwyn Hatfield 002D | Investigation complete; no suspect identified |
| April 2026 | Anti-social behaviour | On or near Stuart RoadWelwyn Hatfield 002D | Outcome not supplied |
| April 2026 | Anti-social behaviour | On or near Ayot St Peter RoadWelwyn Hatfield 002C | Outcome not supplied |
| March 2026 | Violence and sexual offences | On or near HospitalWelwyn Hatfield 002D | Unable to prosecute suspect |
| March 2026 | Violence and sexual offences | On or near Wilshere RoadWelwyn Hatfield 002D | Under investigation |
| March 2026 | Violence and sexual offences | On or near Wilshere RoadWelwyn Hatfield 002D | Unable to prosecute suspect |
| March 2026 | Violence and sexual offences | On or near Wilshere RoadWelwyn Hatfield 002D | Unable to prosecute suspect |
| March 2026 | Violence and sexual offences | On or near Dolphin CourtWelwyn Hatfield 002D | Investigation complete; no suspect identified |
| March 2026 | Violence and sexual offences | On or near Windsor CloseWelwyn Hatfield 002D | Under investigation |
| March 2026 | Violence and sexual offences | On or near HospitalWelwyn Hatfield 002D | Unable to prosecute suspect |
| March 2026 | Violence and sexual offences | On or near HospitalWelwyn Hatfield 002D | Under investigation |