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Postcode districts / CM

CM1 house prices and area facts

The CM1 postcode district in Chelmsford, mostly in Chelmsford.

In 2025, 1,059 homes sold in CM1 for a median of £400,000, 9% more than in 2020.

Median sold price, 2025
£400,0001,059 sales
Five-year change
+9%In the median price since 2020
Recorded crime
158A year per 1,000 residents; England and Wales 100
Flood risk
12.2%Of homes at high, medium or low risk from rivers, the sea or surface water
Gigabit broadband
92.7%Of premises can get it
Deprivation
8.9%Of postcodes in the nation's most deprived fifth of neighbourhoods
Homes
28,487With a recorded sale or an energy certificate

House prices since 1995

Median price of every recorded sale each year.

Median price by property type, 2025
TypeMedian priceSales
Detached£591,250258
Semi-detached£440,000284
Terraced£370,000250
Flats£230,000267

These figures describe CM1 as a whole, not any particular home. Crime is counted where it is recorded and divided by residents, so town centres with few residents show high rates; it does not measure personal safety. Sold prices: HM Land Registry. Crime: police.uk. Flood: Environment Agency and Natural Resources Wales. Broadband: Ofcom. Deprivation: the English and Welsh indices of deprivation. Licences.

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Other CM postcode districts