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830Constituency Ledger5,537 postcode units
Hertsmere
Sir Oliver Dowden · Conservative
Median Price
£550,000Current MP
Sir Oliver Dowden (Conservative)Crime Trends
Crime rows are aggregated across the constituency LSOA footprint for Hertsmere.
Latest month
1,464
Published for Jan 2026
Largest category
Unknown
8,744 incidents in the trailing 12-month window
Coverage
63
LSOAs linked through postcodes
Latest month1,464Published for Jan 2026
3M rolling average23incidents per month per LSOA
12M baseline24.9Trailing yearly average for the same geography.
YoY change+5.1%2025 vs 2024
Monthly trend line (5Y)
Monthly level3M rolling averageQuarter change -5.8%Feb 2021 to Jan 2026
Annual comparison
Location summary
LocationHertsmereCounts are normalized against the constituency's current LSOA footprint.
Total incidents18,854Latest rolling 12-month police window.
Largest categoryUnspecified8,744 incidents · 46.4%
Coverage63 LSOAsRolling averages are normalized by this coverage set.
Mapped incident locations
| Month | Crime type | Location | Outcome |
|---|---|---|---|
| Jan 2026 | Violence and sexual offences Hertfordshire Constabulary | On or near A111 | Under investigation |
| Jan 2026 | Unspecified Hertfordshire Constabulary | On or near A409 | No outcome published |
| Jan 2026 | Unspecified Hertfordshire Constabulary | On or near A411 | No outcome published |
| Jan 2026 | Vehicle crime Hertfordshire Constabulary | On or near A411 | Under investigation |
| Jan 2026 | Unspecified Hertfordshire Constabulary | On or near A5135 | No outcome published |
| Jan 2026 | Violence and sexual offences Hertfordshire Constabulary | On or near A5135 | Under investigation |
| Jan 2026 | Unspecified Hertfordshire Constabulary | On or near A5183 | No outcome published |
| Jan 2026 | Unspecified Hertfordshire Constabulary | On or near A5183 | No outcome published |
| Jan 2026 | Unspecified Hertfordshire Constabulary | On or near Abbey View | No outcome published |
| Jan 2026 | Criminal damage and arson Hertfordshire Constabulary | On or near Aberford Road | Under investigation |
| Jan 2026 | Unspecified Hertfordshire Constabulary | On or near Aberford Road | No outcome published |
| Jan 2026 | Unspecified Hertfordshire Constabulary | On or near Aberford Road | No outcome published |
| Jan 2026 | Unspecified Hertfordshire Constabulary | On or near Aberford Road | No outcome published |
| Jan 2026 | Unspecified Hertfordshire Constabulary | On or near Aberford Road | No outcome published |
| Jan 2026 | Violence and sexual offences Hertfordshire Constabulary | On or near Aberford Road | Unable to prosecute suspect |
| Jan 2026 | Anti-social behaviour Hertfordshire Constabulary | On or near Abingdon Place | No outcome published |
| Jan 2026 | Violence and sexual offences Hertfordshire Constabulary | On or near Abingdon Place | Under investigation |
| Jan 2026 | Anti-social behaviour Hertfordshire Constabulary | On or near Alban Crescent | No outcome published |
| Jan 2026 | Drugs Hertfordshire Constabulary | On or near Albemarle Avenue | Under investigation |
| Jan 2026 | Unspecified Hertfordshire Constabulary | On or near Alconbury Close | No outcome published |
| Jan 2026 | Other theft Hertfordshire Constabulary | On or near Aldenham Avenue | Investigation complete; no suspect identified |
| Jan 2026 | Unspecified Hertfordshire Constabulary | On or near Aldenham Avenue | No outcome published |
| Jan 2026 | Public order Hertfordshire Constabulary | On or near Aldenham Road | Under investigation |
| Jan 2026 | Unspecified Hertfordshire Constabulary | On or near Aldenham Road | No outcome published |
Category totals
| Crime type | Incidents | Share |
|---|---|---|
| Unspecified Hertsmere | 8,744 | 46.4% |
| Violence and sexual offences Hertsmere | 3,209 | 17.0% |
| Anti-social behaviour Hertsmere | 1,876 | 10.0% |
| Other theft Hertsmere | 1,051 | 5.6% |
| Shoplifting Hertsmere | 759 | 4.0% |
| Vehicle crime Hertsmere | 666 | 3.5% |
| Criminal damage and arson Hertsmere | 619 | 3.3% |
| Public order Hertsmere | 533 | 2.8% |
| Burglary Hertsmere | 452 | 2.4% |
| Drugs Hertsmere | 420 | 2.2% |
| Other crime Hertsmere | 196 | 1.0% |
| Robbery Hertsmere | 131 | 0.7% |
| Possession of weapons Hertsmere | 85 | 0.5% |
| Theft from the person Hertsmere | 77 | 0.4% |
| Bicycle theft Hertsmere | 36 | 0.2% |
Police archive locations are published as mapped street-level points, not exact private addresses, so incidents may be snapped to a nearby road segment. Annual comparison uses full calendar years where 12 published months are available; otherwise it falls back to trailing 12 months versus the preceding 12 months.