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CM1 3LT

Writtle · Chelmsford · England

Updated September 2026

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Location overview

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Post town
Chelmsford
Ward
Writtle
Local authority
Chelmsford
Constituency
North West Essex
Postcode district
CM1
Postcode sector
CM1 3

Nearby postcodes

Nearby postcode distances
Postcode Distance
CM1 3LE 87 m
CM1 3JA 89 m
CM1 3LS 92 m
CM1 3GJ 108 m
CM1 3HZ 130 m
Complete postcode fields and official codes
Postcode
CM1 3LT
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
CM
Postcode district
CM1
Postcode sector
CM1 3
Latitude
51.727182
Longitude
0.423016
British National Grid easting
567,439
British National Grid northing
205,940

Statistical and administrative geographies

Country
England · E92000001
Region
East of England · E12000006
Local authority district
Chelmsford · E07000070
Electoral ward
Writtle · E05004119
Parish or community
E04003977
Westminster constituency
North West Essex · E14001402
Output area
E00109904
Lower layer super output area
Chelmsford 011D · E01021634
Middle layer super output area
Chelmsford 011 · E02004495

Postcode source versions

Explore CM1

Use the wider postcode district to compare the same evidence across more locations.

Property

At this postcode

View all property records
20 recorded sales at this postcode
Address Date Price
20, Long Brandocks, Writtle, Chelmsford, CM1 3LT 28 February 2025 £482,500
5, Long Brandocks, Writtle, Chelmsford, CM1 3LT 15 July 2024 £463,200
19, Long Brandocks, Writtle, Chelmsford, CM1 3LT 17 February 2023 £480,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
45
Primary
24
Secondary
6

  1. Writtle Infant School

    Academy converter

    144 m

  2. Writtle Junior School

    Academy converter

    144 m

  3. Writtle College Limited

    Further education

    1.2 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
318
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 125
  • Shoplifting 37
  • Other theft 32
  • Vehicle crime 27
  • Criminal damage and arson 21

Census 2021

Population and age profile

Postcode residents
72

34 female, 38 male

Postcode households
30
Residents per household
2.4
CM1 3 residents
8,481

Age bands in CM1 3

Wider postcode sector
Age 0 to 14
15.8%

1,334 residents

Age 15 to 24
12%

1,015 residents

Age 25 to 44
24.1%

2,040 residents

Age 45 to 64
26.1%

2,203 residents

Age 65 and over
22%

1,856 residents

This postcode contained 0.8% of the sector's usual residents on Census Day. The age profile describes the wider CM1 3 sector, not people in this individual postcode.

How to read these estimates
The standard postcode headcounts and the commissioned age table are separate ONS outputs. Small counts are disclosure-controlled, and totals can differ slightly between tables. Coverage is England and Wales only.

Census Day: 21 March 2021. Sources: ONS/Nomis P001-P004 and ONS CT21_0228. Age table version 2024-04-08.

Fixed broadband coverage

Ofcom's predicted availability across all residential and commercial premises in this postcode in January 2026.

Superfast, 30 Mbit/s+
100%
Ultrafast, 100 Mbit/s+
100%
Ultrafast, 300 Mbit/s+
100%
Gigabit-capable
100%
Unable to receive decent fixed or FWA broadband
0%
Next Generation Access
100%
Decent broadband available from fixed wireless
0%
Coverage is a modelled postcode-level snapshot, not a speed test or a guarantee for a named property. Check availability with providers before making a decision. Ofcom does not publish postcode-level full-fibre coverage in this release for commercial-confidentiality reasons.

Source: Ofcom Connected Nations Spring 2026, version 2026-01-v2. Contains Ofcom data licensed under the Open Government Licence v3.0.

NHS ODS

GP practices

6

within 5 km

  • THE WRITTLE SURGERY

    16A LORDSHIP ROAD, WRITTLE, CHELMSFORD, CM1 3EH

    ODS code F81098

    639 m

  • WHITLEY HOUSE SURGERY

    CROMPTON BLD, WRITTLE ROAD, CHELMSFORD, CM1 3RW

    ODS code F81057

    2.3 km

  • CHELMER MEDICAL PARTNERSHIP

    20 MERLIN PLACE, CHELMSFORD, CM1 4HW

    ODS code F81122

    3.5 km

  • BEAUCHAMP HOUSE

    37 BADDOW ROAD, CHELMSFORD, CM2 0DB

    ODS code F81083

    3.7 km

  • RIVERMEAD GATE MED.CTR.

    123 RECTORY LANE, CHELMSFORD, CM1 1TR

    ODS code F81071

    3.8 km

  • SUTHERLAND LODGE SURGERY

    115 BADDOW ROAD, CHELMSFORD, CM2 7PY

    ODS code F81117

    4.1 km

Organisation records, not service availability
These are records marked active in NHS England's Organisation Data Service for England and Wales. Branch surgeries, pharmacies, dentists and hospitals are not included. They do not confirm patient registration, services, opening hours, appointments or care quality. Distances are straight-line from the postcode point.

Source acquired on 2026-09-03. Contains information from NHS England, licenced under the current version of the Open Government Licence.

Nearby transport

  • Loves Walk

    BCT · Writtle

    0.1 miles

  • The Ryle

    BCT · Writtle

    0.1 miles

  • Purcell Cole

    BCT · Writtle

    0.3 miles

  • Prestons Garage

    BCT · Writtle

    0.3 miles

  • Purcell Cole

    BCT · Writtle

    0.3 miles

Relative deprivation

English Indices of Deprivation 2025 for Chelmsford 011D, the published LSOA linked to this postcode. Decile 1 contains the most deprived 10% of English LSOAs and decile 10 the least deprived 10%.

Overall IMD decile

8 of 10

Overall England rank

26,120 of 33,755

Income
10 of 10
Employment
10 of 10
Education and skills
8 of 10
Health and disability
9 of 10
Crime
4 of 10
Housing and services
5 of 10
Living environment
3 of 10

These are relative area statistics, not measures of an individual household, affluence or absolute change. They cannot be compared with indices for other UK nations. Source: English Indices of Deprivation 2025, version 2025-v2.

Flood risk

Environment Agency long-term indicators for the area around addresses in this postcode. They are not an assessment of any individual property and do not show current or forecast flooding.

High risk addresses
1
Medium risk addresses
1
Low risk addresses
3
Groundwater flood alert area
Unlikely

Source: Environment Agency flood-risk postcode search tool data, version 2026-06-18. Check the long-term risk for an individual area. © Environment Agency copyright and/or database right 2025. All rights reserved.

Evidence in context

A factual reading of the data in this report's scope. It is not a location score or a recommendation.

Property market

Recorded sales

The five-year median is £463,200 from 5 recorded sales in CM1 3LT. This is a recorded-sale statistic, not a current valuation.

The latest UK House Price Index average for Chelmsford is £383,103 in June 2026, down 1.2% year on year.

Schools

Published establishments

45 open schools are in scope, including 24 primary and 6 secondary schools. Writtle Infant School is the nearest published school at 144 m.

Counts describe active establishment records. They do not assess admissions, catchments or quality.

Recorded crime

Published police records

318 published events cover 12 months, averaging 26.5 events per published month. The largest recorded category is Violence and sexual offences with 125 events.

The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.