Around average
IMD England
Around average · 6.9 per 1k
Crime · Aug '26
£330,000
Median property price
East of England
Region
Deprivation Index (IMD)
IMD England — Index of Multiple Deprivation
Measures deprivation across income, employment, health, education, crime, housing, barriers to housing and services, and living environment.
19692
Rank out of 33,755 LSOAs in England
1 - Most deprived10 - Least deprived
Rank 19692 out of 33,755 lower layer super output areas in England. N/A for Wales, Scotland and Northern Ireland as this postcode is in England.
Property sales (Land Registry)
England & WalesProperty sales · CM1 3JN
HM Land Registry · Chelmsford
Average price
£330,000
YoY: not enough sales in one or both windows
Median price: £330,000
Property type filter
Recent sale price trend
Not enough monthly sales for chart with current filter.
Contains HM Land Registry data © Crown copyright and database right. This data is licensed under the Open Government Licence v3.0.
Police Recorded Crime near CM1 3JN
England & WalesCrime trends · near CM1 3JN
Counts are for Writtle electoral ward, not a 1-mile police.uk street search around this postcode.
data.police.uk · YoY vs same month last yearSep '24 – Aug '26
Key categories · YoY
Violent Crime
14
YoY —
1493
Sep '24Mar '25Sep '25Mar '26Aug '26
ASB
5
YoY —
950
Sep '24Mar '25Sep '25Mar '26Aug '26
Vehicle Crime
5
YoY —
530
Sep '24Mar '25Sep '25Mar '26Aug '26
Burglary
1
YoY —
320
Sep '24Mar '25Sep '25Mar '26Aug '26
Criminal damage
0
YoY —
630
Sep '24Mar '25Sep '25Mar '26Aug '26
Demographics (LSOA 2021 context)
Ethnicity
White Brit.90.2%
Other White2.5%
Gypsy / Trav.1.7%
White Irish1.1%
+ other · 4.5%
Religion
Christian53.9%
No religion39.9%
Not answered5.0%
+ other · 1.2%
Age groups
50–6419.4%
35–4916.5%
65–7416.2%
75–8413.2%
25–348.7%
+ 6 other age groups · 26.1%
Households
Any member 66+22.2%
All members 66+18.2%
Married or civil partnership couple: Dependent children13.3%
Other12.6%
Married or civil partnership couple: No children10.3%
+ 6 other households · 23.4%
Coordinates & Location for CM1 3JN
Postcode
CM1 3JN
Coordinates
51.7278, 0.4159
Grid reference
TL669059
Easting
566,943
Northing
205,996
Region
East of England
Plus Code
9F32PCH8+48
User Type
Small user postcode
Grid Quality
Quality indicator 1 (highest positional precision)
Built Up Area
Writtle
Travel to Work
Chelmsford
ITL Region
Chelmsford
National Park
Non-National Park
Administrative Information
Chelmsford
Local Authority
Council AreaNorth West Essex E14001402
Constituency
E14001402Essex
Police Force
England
Ward
Writtle
Constituency code
E14001402
EU Electoral Region
Eastern
Parish
Writtle
International Territorial Level
Chelmsford
Health & NHS
East of England
Health Authority
Serving Essex
NHS EnglandEast of England
Cancer Alliance
National
Health Authority
East of England
NHS Region
East of England
Integrated Care Board
NHS Essex Integrated Care Board
Primary Care Org
Mid Essex
Sub ICB Location
NHS Essex ICB - 06Q
Cancer Alliance
East of England
Statistical Areas
LSOA 2021
Super Output Area
Chelmsford 011E E01021635
E01021635MSOA 2021
Mid Super Output
Chelmsford 011 E02004495
E02004495LSOA 2011
Super Output Area
Chelmsford 011E E01021635
E01021635MSOA 2011
Mid Super Output
Chelmsford 011 E02004495
E02004495Larger rural: Nearer to a major town or city
Rural/Urban Classification 2021
2001 Classification
(England/Wales) Town and Fringe – less sparse: OA falls within the Town and Fringe category and the wider surrounding area is less sparsely populated 6
2011 Classification
(England/Wales) Rural town and fringe D1
2021 Classification
Larger rural: Nearer to a major town or city RLN1
Sun & Time Information
6:10 AM
Sunrise
5:21 PM
Sunset
11 hours 11 minutes of daylight today
Sunrise (today)
6:10 AM
Sunset (today)
5:21 PM
Daylight duration
11 hours 11 minutes
Time zone
GMT / BST (UTC +0 / +1)
Postcode History
January 1980
First Introduced
Active fromNot terminated
Usage Ended
Terminated~46 years
Active Duration
1980 -> PresentJanuary 1980 — Introduced
Postcode CM1 3JN introduced by Royal Mail.
2001 — Census Classification
2001 Rural/Urban Classification: (England/Wales) Town and Fringe – less sparse: OA falls within the Town and Fringe category and the wider surrounding area is less sparsely populated 6
2011 — Reclassified
2011 Rural/Urban Classification: (England/Wales) Rural town and fringe D1. IMD England rank: 19692
2021 — Census Update
2021 Census classification: Larger rural: Nearer to a major town or city RLN1. LSOA E01021635 and MSOA E02004495 assigned.
Present — Active
Postcode CM1 3JN is currently active and in use.
First introduced
January 1980
Usage ended
Not terminated
Active duration
~46 years
Last updated
2026-08-01
Current status
Live
School applications
We've matched the postcode to Essex.
You apply through this education local authority even if the school is in another council area.
Chelmsford is the district council. School applications go through Essex.
Last published allocation
None of the schools listed here has a published last-distance figure, so we cannot compare a postcode with last year's allocation. We do not draw catchment maps in this list; where we hold a council's map, it is on the school's page.
Apply for a secondary placeAdmissions and composite prospectus guidanceApplication deadlines and offer daysHome education — find your councilHome education guidance
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Schools near CM1 3JN
Open state schools within 1.2 miles of this postcode, ranked by distance.
PrimaryStateMixed · Ages 7–11
PrimaryStateMixed · Ages 4–7
16 plusStateMixed · Ages 16–99
Secondary with sixth formStateMixed · Ages 11–18FSM 44%
Attainment 8
37.8
School performance data © Crown copyright. Source: Department for Education.
Spot a mistake on this page? Email [email protected] and we'll check it against the source.
Explore the full Chelmsford
See local data, transport links, deprivation trends and more for the broader area — all in one place.