Crime Rates at St Marys Avenue, London, N3 1SW

St Marys Avenue area has the 14th lowest crime rate of 93 local areas in Finchley Church End , and the 116th lowest crime rate of 1,055 local areas in Barnet .

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 St Marys Avenue (N3 1SW) in the last 12 months was 23.6 per 1,000 residents and was 70.1% lower than the Finchley Church End average (79.0 per 1,000 residents). In the last 12 months, this area’s most reported crimes were Violence and sexual offences with 3 offences recorded. The least common crime was Bicycle theft with 1 case , unchanged from 2025. All major crime categories fell. The sharpest drop was Anti-social behaviour ( -50.0% YoY).

Violent crimes totalled 3 (≈ 7.1 per 1,000 residents). Year-over-year these were falling ( -25.0% ). Over the last decade, overall crime has rising ( 33.3% comparing early vs recent averages) .

In the area around St Marys Avenue (N3 1SW), the highest concentration of overall crime is near Hendon Lane, where police recorded 9 incidents. Violent and public-order offences occur most often near Arden Road (6 offences). Both locations lie within roughly 0.3 miles of this postcode area.