CM21
Outer Postcode Area • 484 PostcodesWorking on listings or site checks?
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Renting & Lifestyle Dossier for CM21
Official local rents, recorded crime, broadband and the walk to the station, for people looking to rent.
Local authority average (ONS)
Around the national middle
Ofcom postcode data
Sawbridgeworth Rail Station
Monthly rents in this local authority
ONS private rents by bedroom size (average)
Nearby food, shops and parks
- Food shops and supermarkets within 1 km: 9
- Restaurants and cafés within 1 km: 14
- Public green spaces within 2 km: 70
Getting around
Nearest station: Sawbridgeworth Rail Station, about 13 minutes on foot.
Data quality: Aggregated across 484 constituent postcodes
484 official/live sections, 0 fallback sections, 0 missing or limited sections. Generated 28 Oct 2026, 03:14.
Frequently Asked Questions
Official open-data answers about safety, schools, connectivity, and living in CM21.
Is CM21 a good place to live?
CM21 in East Hertfordshire scores 58.2/100 overall in the Postcodewise area report, which combines safety, schools, transport, housing, demographics, environment and connectivity from official open data.
What is the crime rate in CM21?
The CM21 report shows recent police-recorded crime levels and trends in East Hertfordshire, sourced from Police.uk street-level data.
What schools are near CM21?
The CM21 schools report lists nearby primary and secondary schools with Ofsted-linked ratings and distances.
How well connected is CM21?
The CM21 report covers nearby transport links, broadband speeds and mobile coverage for the area.
Explore nearby areas
Open area reports for postcodes and streets close to this one.