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CO1 1XP

Castle · Colchester · England

Updated September 2026

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Location overview

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Post town
Colchester
Ward
Castle
Local authority
Colchester
Constituency
Colchester
Postcode district
CO1
Postcode sector
CO1 1

Nearby postcodes

Nearby postcode distances
Postcode Distance
CO1 1US 42 m
CO1 1RY 73 m
CO1 1XY 82 m
CO1 1UT 96 m
CO1 1RZ 101 m
Complete postcode fields and official codes
Postcode
CO1 1XP
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
CO
Postcode district
CO1
Postcode sector
CO1 1
Latitude
51.896887
Longitude
0.898313
British National Grid easting
599,508
British National Grid northing
226,006

Statistical and administrative geographies

Country
England · E92000001
Region
East of England · E12000006
Local authority district
Colchester · E07000071
Electoral ward
Castle · E05010828
Parish or community
E43000228
Westminster constituency
Colchester · E14001176
Output area
E00109973
Lower layer super output area
Colchester 007E · E01021650
Middle layer super output area
Colchester 007 · E02004512

Postcode source versions

Explore CO1

Property

View all property records
13 recorded sales at this postcode
Address Date Price
5, Serpentine Walk, Colchester, CO1 1XP 18 October 2024 £268,000
3, Serpentine Walk, Colchester, CO1 1XP 8 April 2019 £222,000
15, Serpentine Walk, Colchester, CO1 1XP 10 December 2018 £240,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
61
Primary
40
Secondary
11

  1. North Primary School and Nursery

    Community school

    285 m

  2. St Helena School

    Academy converter

    700 m

  3. The Sixth Form College Colchester

    Academy 16-19 converter

    705 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
5,041
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 2,180
  • Shoplifting 614
  • Anti social behaviour 414
  • Public order 380
  • Criminal damage and arson 309

Census 2021

Population and age profile

Postcode residents
27

17 female, 10 male

Postcode households
10
Residents per household
2.7
CO1 1 residents
5,694

Age bands in CO1 1

Wider postcode sector
Age 0 to 14
17%

923 residents

Age 15 to 24
9.8%

533 residents

Age 25 to 44
38.8%

2,110 residents

Age 45 to 64
21.2%

1,150 residents

Age 65 and over
13.2%

717 residents

This postcode contained 0.5% of the sector's usual residents on Census Day. The age profile describes the wider CO1 1 sector, not people in this individual postcode.

Small counts are adjusted for privacy, so totals can differ slightly between Census tables.

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%

Predicted coverage, not measured speeds. Check availability for your address with a provider. Postcode-level full-fibre figures are not published in this release.

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

GP practices

12

within 5 km

  • BEACON HOUSE MINISTRIES

    24 CROUCH STREET, COLCHESTER, CO3 3ES

    ODS code Y01297

    1.1 km

  • COLCHESTER MEDICAL PRACTICE

    78 EAST HILL, COLCHESTER, CO1 2QS

    ODS code F81042

    1.1 km

  • EAST HILL SURGERY

    78 EAST HILL, COLCHESTER, CO1 2RW

    ODS code F81091

    1.1 km

  • TURNER ROAD SURGERY

    THE PRIMARY CARE CENTRE, TURNER ROAD, COLCHESTER, CO4 5JR

    ODS code Y02646

    1.2 km

  • CREFFIELD MEDICAL GROUP

    CREFFIELD MEDICAL CENTRE, 15 CAVALRY ROAD, COLCHESTER, CO2 7GH

    ODS code F81115

    1.7 km

  • MILL ROAD SURGERY

    47 MILL ROAD, MILE END, COLCHESTER, CO4 5LE

    ODS code F81636

    1.7 km

  • HIGHWOODS SURGERY

    HIGHWOODS SQUARE, HIGHWOODS, COLCHESTER, CO4 9SR

    ODS code F81679

    2.1 km

  • ABBEY FIELD MEDICAL CENTRE

    YPRES ROAD, COLCHESTER, CO2 7UW

    ODS code F81095

    2.2 km

  • BLUEBELL SURGERY

    BLUEBELL RESOURCE CENTRE, JACK ANDREWS DRIVE, HIGHWOODS, COLCHESTER, CO4 9YN

    ODS code F81746

    2.7 km

  • AMBROSE AVENUE GROUP PRACTICE

    76 AMBROSE AVENUE, COLCHESTER, CO3 4LN

    ODS code F81067

    3.0 km

  • WINSTREE MEDICAL PRACTICE

    84 WINSTREE ROAD, STANWAY, COLCHESTER, CO3 0PZ

    ODS code F81069

    4.1 km

  • TOLLGATE HEALTH CENTRE

    145 LONDON ROAD, STANWAY, COLCHESTER, CO3 8NZ

    ODS code F81716

    4.9 km

Main GP practices only; branch surgeries are excluded. Distances are straight-line. Contact the practice to check registration, services, opening hours and appointments.

Source acquired on 2026-09-05. Contains information from NHS England, licenced under the current version of the Open Government Licence.

Nearby transport

  • Catchpool Road

    BCT · Colchester

    0.0 miles

  • Catchpool Road

    BCT · Colchester

    0.1 miles

  • The Albert

    BCT · Colchester

    0.1 miles

  • The Albert

    BCT · Colchester

    0.1 miles

  • Causton Road

    BCT · Colchester

    0.2 miles

Relative deprivation

English Indices of Deprivation 2025 for Colchester 007E, 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

5 of 10

Overall England rank

15,810 of 33,755

Income
5 of 10
Employment
5 of 10
Education and skills
6 of 10
Health and disability
5 of 10
Crime
2 of 10
Housing and services
8 of 10
Living environment
4 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
0
Medium risk addresses
0
Low risk addresses
0
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

Property market

The five-year median is £268,000 from 1 recorded sale in CO1 1XP. This is a recorded-sale statistic, not a current valuation.

The latest UK House Price Index average for Colchester is £298,003 in June 2026, down 0.3% year on year.

Schools

61 open schools are in scope, including 40 primary and 11 secondary schools. North Primary School and Nursery is the nearest published school at 285 m.

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

Recorded crime

5,041 published events cover 12 months, averaging 420.083 events per published month. The largest recorded category is Violence and sexual offences with 2,180 events.

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