Postcode sector · CM23 1

Chelmsford CM23 1 area guide

136 postcodes · 136 postcodes

Is Chelmsford CM23 1 a good place to live?

In Chelmsford (CM23 1), recorded crime is 95% below the national average, homes sell for around £644,521 on average, there are 3 schools in the area, flood risk from rivers and the sea is high, and it ranks as close to the national average for deprivation (deprivation decile 7/10, where 1 is most deprived).

Official UK open data · crime to 2026-04 · HM Land Registry, Police.uk, Environment Agency, GIAS/Ofsted, ONS 2021. Free to browse.

Flood risk in Chelmsford CM23 1

Flood risk from rivers and the sea in Chelmsford CM23 1 is rated high. Around 3.2% of properties (48 of 1,515) sit in a modelled flood zone, of which 6 are at significant risk.

Source: Environment Agency, Risk of Flooding from Rivers and Sea, updated 2026-06-27. Surface-water and groundwater flooding are modelled separately and are not included here. Commission an official flood search before purchase.

Sold-price trend (1995–2026)

1995: £134,272 (20 sales)1996: £125,367 (24 sales)1997: £169,707 (29 sales)1998: £178,548 (26 sales)1999: £227,078 (37 sales)2000: £290,100 (30 sales)2001: £285,204 (33 sales)2002: £294,390 (40 sales)2003: £371,652 (24 sales)2004: £406,760 (23 sales)2005: £336,139 (18 sales)2006: £337,416 (24 sales)2007: £385,626 (27 sales)2008: £545,750 (10 sales)2009: £542,833 (15 sales)2010: £508,970 (25 sales)2011: £563,388 (20 sales)2012: £588,972 (18 sales)2013: £425,749 (33 sales)2014: £536,462 (26 sales)2015: £528,875 (34 sales)2016: £529,917 (24 sales)2017: £917,727 (11 sales)2018: £560,268 (54 sales)2019: £806,408 (66 sales)2020: £463,898 (59 sales)2021: £500,892 (82 sales)2022: £711,662 (69 sales)2023: £660,696 (37 sales)2024: £644,521 (53 sales)2025: £590,028 (50 sales)2026: £549,000 (5 sales) 2026: £549,000 (5 sales) — part year so far £917,727 £125,367 1995 2026*

Annual average (mean) sold price in CM23 1, 1995–2026. 2026 is a part year (5 sales so far) — shown greyed. Hover a point to read its value. Source: HM Land Registry Price Paid.

Recorded crime trend

May 24: 1 crimesJun 24: 1 crimesJul 24: 1 crimesAug 24: 3 crimesSep 24: 4 crimesOct 24: 1 crimesNov 24: 2 crimesDec 24: 3 crimesJan 25: 1 crimesFeb 25: 2 crimesMar 25: 1 crimesApr 25: 3 crimesMay 25: 3 crimesAug 25: 1 crimesSep 25: 1 crimesOct 25: 1 crimesNov 25: 2 crimesDec 25: 4 crimesJan 26: 2 crimesMar 26: 3 crimesApr 26: 2 crimes Apr 26: 2 crimes 4 1 May 24 Apr 26

Recorded crimes per month in CM23 1 (May 24–Apr 26, average 2/month). Hover a point to read the count. Source: Police.uk street-level data.

Who lives here

Median age
42
One-person households
23%
Households with children
34%
Households
3,061

Owned 72% · Social rent 11% · Private rent 14%

Census 2021 (ONS), for CM23 1.

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Chelmsford CM23 1: frequently asked questions

Is Chelmsford CM23 1 a good place to live?

In Chelmsford (CM23 1), recorded crime is 95% below the national average, homes sell for around £644,521 on average, there are 3 schools in the area, flood risk from rivers and the sea is high, and it ranks as close to the national average for deprivation (deprivation decile 7/10, where 1 is most deprived).

What is the crime rate in Chelmsford CM23 1?

Recorded crime in Chelmsford CM23 1 runs at 14.7 per 1,000 properties, 95% below the national average (Police.uk, 2026-04).

Is Chelmsford CM23 1 safe?

Crime in Chelmsford CM23 1 is below the national average. Recorded crime in Chelmsford CM23 1 runs at 14.7 per 1,000 properties, 95% below the national average (Police.uk, 2026-04).

How much are house prices in Chelmsford CM23 1?

Homes in Chelmsford CM23 1 sell for around £644,521 on average, based on 53 recorded sales (HM Land Registry).

Is Chelmsford CM23 1 at risk of flooding?

Flood risk from rivers and the sea in Chelmsford CM23 1 is rated high. Around 3.2% of properties (48 of 1,515) sit in a modelled flood zone, of which 6 are at significant risk.

How many schools are there in Chelmsford CM23 1?

There are 3 schools in Chelmsford CM23 1 (3 primary, 0 secondary), per the DfE Get Information about Schools register.

Is Chelmsford CM23 1 a deprived area?

Chelmsford CM23 1 sits in deprivation decile 7 of 10 (1 = most deprived), making it around the national average for England (English Indices of Deprivation, ONS).