Total Crime Rate

8.1 per 1,000 1/10 · Very Low

All offences · May 2025 - Apr 2026

Violent Crime Rate

2.7 per 1,000 1/10 · Very Low

May 2025 - Apr 2026
Latest update: 06.06.2026 Crime figures are sourced from data.police.uk and are typically published with a 3-month delay.
Crime rate per 1000 residents
  • All crimes 8.1 1/10
  • Violent crimes 2.7 1/10
  • Anti-social behaviour 2.7 1/10
  • Burglary 2.7 2/10
  • Violence and sexual offences 2.7 1/10
  • Bicycle theft 0.0 1/10
  • Criminal damage and arson 0.0 1/10
  • Drugs 0.0 1/10
  • Other crime 0.0 1/10
  • Other theft 0.0 1/10
  • Possession of weapons 0.0 1/10
  • Public order 0.0 1/10
  • Robbery 0.0 1/10
  • Shoplifting 0.0 1/10
  • Theft from the person 0.0 1/10
  • Vehicle crime 0.0 1/10
Values shown per 1,000 residents · May 2025 - Apr 2026 · Rating compares this oa to UK peers of the same type.
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Crime overview

Calder Avenue area has the 2nd lowest crime rate of 40 local areas in Brookmans Park and Little Heath , and the 13th lowest crime rate of 361 local areas in Welwyn Hatfield .

This postcode forms a relatively safe pocket compared with the surrounding streets. Neighbouring areas record much higher crime levels, even though this postcode itself remains comparatively low-crime.

The overall crime rate in the area around Calder Avenue (AL9 7AG) in the last 12 months was 8.1 per 1,000 residents and was 84.2% lower than the Brookmans Park and Little Heath average (51.4 per 1,000 residents). In the last 12 months, this area’s most reported crimes were Anti-social behaviour with 1 offences recorded. The least common crime was Anti-social behaviour with 1 case , unchanged from 2025. All major crime categories fell. The sharpest drop was Burglary ( -50.0% YoY).

Violent crimes totalled 1 (≈ 2.7 per 1,000 residents). Year-over-year these were flat ( 0.0% ). Over the last decade, overall crime has falling ( -43.6% comparing early vs recent averages) .

In the area around Calder Avenue (AL9 7AG), the highest concentration of overall crime is near Mymms Drive, where police recorded 3 incidents. Violent and public-order offences occur most often near George'S Wood Road (1 offences). Both locations lie within roughly 0.3 miles of this postcode area.

View Crime In Brookmans Park and Little Heath

Crime Over Time in Calder Avenue area

Showing crimes within 0.3 miles (0/0)
Month:
MonthCrimeLocation*Last Outcome
No crimes for this selection.
* on or near this location Page 1 • Showing 0 of 0

Data Sources

StreetScan crime figures are based on official UK open data:

Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright and database right.

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