TS21 1NH

Sedgefield · County Durham · England

Updated September 2026

Compare this postcode

Location overview

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Local authority
County Durham
Postcode district
TS21
Postcode sector
TS21 1

Nearby postcodes

Nearby postcode distances
Postcode Distance
TS21 2HQ 601 m
TS21 1NQ 790 m
TS21 1NJ 932 m
TS21 1NL 1.3 km
TS21 2HG 1.3 km
Complete postcode fields and official codes
Postcode
TS21 1NH
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
TS
Postcode district
TS21
Postcode sector
TS21 1
Latitude
54.608343
Longitude
-1.476599
British National Grid easting
433,906
British National Grid northing
523,811

Statistical and administrative geographies

Country
England · E92000001
Region
North East · E12000001
Local authority district
County Durham · E06000047
Parish or community
E04010667
Output area
E00105700
Lower layer super output area
County Durham 054B · E01020828
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
3
Primary
2
Secondary
0
  1. Bishopton Redmarshall CofE Primary School

    Academy converter

    3.7 km
  2. William Cassidi Church of England Aided Primary School

    Voluntary aided school

    3.9 km
  3. Thornbeck College - North East Autism Society

    Special post 16 institution

    5.0 km

Census 2021

Population and age profile

Postcode residents
13

6 female, 7 male

Postcode households
5
Residents per household
2.6
TS21 1 residents
4,293

Age bands in TS21 1

Wider postcode sector
Age 0 to 14
15.5%

655 residents

Age 15 to 24
9.3%

394 residents

Age 25 to 44
20%

846 residents

Age 45 to 64
32.7%

1,382 residents

Age 65 and over
22.3%

943 residents

This postcode contained 0.3% of the sector's usual residents on Census Day. The age profile describes the wider TS21 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+
0%
Ultrafast, 100 Mbit/s+
0%
Ultrafast, 300 Mbit/s+
0%
Gigabit-capable
0%
Unable to receive decent fixed or FWA broadband
50%
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

1

within 5 km

  • PARK LANE SURGERY

    REDMARSHALL STREET, STILLINGTON, STOCKTON-ON-TEES, TS21 1JS

    ODS code A81066

    3.4 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

  • Elstob Road End

    BCT · Mordon

    0.3 miles
  • Elstob Road End

    BCT · Mordon

    0.3 miles
  • High Grindon Farm

    BCT · Mordon

    0.4 miles
  • High Grindon Farm

    BCT · Mordon

    0.4 miles
  • Elstob Cottage

    BCT · Mordon

    0.5 miles

Relative deprivation

English Indices of Deprivation 2025 for County Durham 054B, 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

23,880 of 33,755

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

Schools

3 open schools are in scope, including 2 primary and 0 secondary schools. Bishopton Redmarshall CofE Primary School is the nearest published school at 2.3 miles.

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