TS21 3DX

Sedgefield · County Durham · England

Updated September 2026

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Location overview

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Local authority
County Durham
Postcode district
TS21
Postcode sector
TS21 3

Nearby postcodes

Nearby postcode distances
Postcode Distance
TS21 3FE 37 m
TS21 3DY 88 m
TS21 3FB 203 m
TS21 3FD 297 m
TS21 3FF 332 m
Complete postcode fields and official codes
Postcode
TS21 3DX
Status
Terminated
Introduced
1 January 1980
Terminated
1 October 2004
Postcode area
TS
Postcode district
TS21
Postcode sector
TS21 3
Latitude
54.670147
Longitude
-1.446796
British National Grid easting
435,777
British National Grid northing
530,703

Statistical and administrative geographies

Country
England · E92000001
Region
North East · E12000001
Local authority district
County Durham · E06000047
Parish or community
E04010687
Output area
E00171861
Lower layer super output area
County Durham 054C · E01020829
Middle layer super output area
County Durham 054 · E02004339

Postcode source versions

Explore TS21

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
8
Primary
6
Secondary
1
  1. Sedgefield Hardwick Primary Academy

    Academy converter

    1.3 km
  2. Sedgefield Community College

    Academy converter

    1.3 km
  3. Fishburn Primary School

    Academy converter

    1.7 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
300
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 128
  • Anti social behaviour 49
  • Vehicle crime 21
  • Criminal damage and arson 21
  • Other theft 18

Census 2021

Population and age profile

Postcode residents
Not supplied
Postcode households
Not supplied
Residents per household
Not available
TS21 3 residents
3,524

Age bands in TS21 3

Wider postcode sector
Age 0 to 14
16.9%

606 residents

Age 15 to 24
9.6%

345 residents

Age 25 to 44
25.3%

908 residents

Age 45 to 64
27.6%

994 residents

Age 65 and over
20.6%

742 residents

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.

GP practices

1

within 5 km straight-line

  • SKERNE MEDICAL GROUP

    HARBINSON HOUSE, FRONT STREET, SEDGEFIELD, STOCKTON-ON-TEES, TS21 3BN

    ODS code A83054

    1.8 km

Nearby transport

  • Cottages

    BCT · Sedgefield

    0.1 miles
  • Cottages

    BCT · Sedgefield

    0.1 miles
  • Old Community Hospital

    BCT · Sedgefield

    0.2 miles
  • Winterton South East Lodge

    BCT · Sedgefield

    0.2 miles
  • Old Community Hospital

    BCT · Sedgefield

    0.2 miles

Relative deprivation

English Indices of Deprivation 2025 for County Durham 054C, 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

10 of 10

Overall England rank

30,834 of 33,755

Income
10 of 10
Employment
9 of 10
Education and skills
10 of 10
Health and disability
6 of 10
Crime
9 of 10
Housing and services
6 of 10
Living environment
9 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.

Evidence in context

Schools

8 open schools are in scope, including 6 primary and 1 secondary schools. Sedgefield Hardwick Primary Academy is the nearest published school at 0.8 miles.

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

Recorded crime

300 published events cover 12 months, averaging 25 events per published month. The largest recorded category is Violence and sexual offences with 128 events.

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