The typical property in CM21
CM21 is Sawbridgeworth, an Essex commuter town with mainline rail and substantial heritage.
Area summary
CM21 sits in East Hertfordshire District Council, despite the Essex postcode prefix. The outcode covers Sawbridgeworth and surrounding villages. Sawbridgeworth has a historic market town centre with a conservation area covering the central streets and the Grade I-listed parish church. Housing is mixed: older listed and unlisted timber-framed and Georgian buildings, Victorian and Edwardian villas, 1930s detached, and newer estate development.
Sawbridgeworth station sits on the West Anglia Main Line and provides direct services to London Liverpool Street in around 40 minutes. The A1184 provides road links.
Employment patterns are commuter into London, Harlow and Bishop's Stortford. Demographics skew older and more affluent.
East Hertfordshire District operates only mandatory HMO licensing. The Renters' Rights Act 2026 has abolished Section 21 evictions. The proposed 2030 EPC C standard, if enacted, will be a substantial cost on listed and pre-1900 stock.
What the data shows
Researched facts
Buyer notes
- CM21 is Hertfordshire (East Herts District) not Essex despite the CM prefix
- WAML direct to London is a major value driver
- Listed timber-framed stock has very high EPC upgrade costs
The full CM21 data page
Sold price history, crime totals, EPC distribution, council tax bands and more, pulled live from HM Land Registry, Police UK and the EPC Register.
CM21 property dataNearby CM postcode districts
Compare CM21 with adjacent areas in the same postcode district.