Where is CM21?

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CM21 spans the counties of Hertfordshire and Essex. It contains the town of Sawbridgeworth, as well as Lower Sheering, High Wych, and Allen's Green. CM21 is 24km west of the city of Chelmsford. CM21 is a postcode district, also known as an outcode or outbound code.

CM21 on a map

The below map shows where CM21 is, and the boundary of the CM21 postcode district:

Postal Boundaries © GEOLYTIX copyright and database right 2012

What county is CM21 in?

CM21 lies within the counties of Hertfordshire and Essex. The below table and chart shows the split by area:

County	% Area
Hertfordshire	90%
Essex	10%

Which cities, towns and villages are in CM21?

Sawbridgeworth	Town
Lower Sheering	Suburb
High Wych	Village
Allen's Green	Village

What are the nearest towns to CM21?

Position of CM21 relative to nearby towns. Distance is measured from the centre of CM21 to the centre of the town.

What are the nearest cities to CM21?

Position of CM21 relative to nearby cities. Distance is measured from the centre of CM21 to the centre of the city.

More CM21 data

➜ CM21 open data dashboard