Property market
The five-year median is £235,000 from 3 recorded sales in TS21 3NL. This is a recorded-sale statistic, not a current valuation.
The latest UK House Price Index average for County Durham is £138,148 in June 2026, up 7.0% year on year.
TS21 3NL
Sedgefield · County Durham · England
Updated September 2026
Compare this postcodeLocation overview
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- Post town
- Stockton-On-Tees
- Ward
- Sedgefield
- Local authority
- County Durham
- Constituency
- Newton Aycliffe and Spennymoor
- Postcode district
- TS21
- Postcode sector
- TS21 3
Nearby postcodes
Complete postcode fields and official codes
- Postcode
- TS21 3NL
- Status
- Current
- Introduced
- 1 June 2002
- Terminated
- Not published
- Postcode area
- TS
- Postcode district
- TS21
- Postcode sector
- TS21 3
- Latitude
- 54.667604
- Longitude
- -1.450815
- British National Grid easting
- 435,520
- British National Grid northing
- 530,418
Statistical and administrative geographies
- Country
- England · E92000001
- Region
- North East · E12000001
- Local authority district
- County Durham · E06000047
- Electoral ward
- Sedgefield · E05016192
- Parish or community
- E04010687
- Westminster constituency
- Newton Aycliffe and Spennymoor · E14001382
- Output area
- E00171861
- Lower layer super output area
- County Durham 054C · E01020829
- Middle layer super output area
- County Durham 054 · E02004339
Postcode source versions
- Ordnance Survey: Code-Point Open Version 2026-08 · Current postcode units in Great Britain · OGL-3.0
- Office for National Statistics: ONS Postcode Directory Version 2026-08 · United Kingdom; Northern Ireland excluded pending rights review; Crown Dependencies outside product scope · OGL-3.0 with third-party rights
- Ordnance Survey: Boundary-Line Version 2026-05 · Local-authority boundaries in Great Britain · OS OpenData Licence
Explore TS21
Property
69 recorded
sales at this postcode
| Address | Date | Price |
|---|---|---|
| 31, St Lukes Crescent, Sedgefield, Stockton-On-Tees, TS21 3NL | 30 September 2022 | £400,000 |
| 8, St Lukes Crescent, Sedgefield, Stockton-On-Tees, TS21 3NL | 7 January 2022 | £225,000 |
| 15, St Lukes Crescent, Sedgefield, Stockton-On-Tees, TS21 3NL | 30 September 2021 | £235,000 |
Schools
Within 3.1 miles of this postcode
- Open schools
- 7
- Primary
- 6
- Secondary
- 1
- 986 m
Sedgefield Hardwick Primary Academy
Academy converter
- 1.1 km
Sedgefield Community College
Academy converter
- 1.7 km
Sedgefield Primary School
Community school
Recorded crime
Within 1 mile of this postcode
- Published events
- 242
- Months covered
- 12
- Latest month
- June 2026
Most recorded categories in this period
- Violence and sexual offences 93
- Anti social behaviour 36
- Shoplifting 33
- Criminal damage and arson 18
- Other theft 16
Census 2021
Population and age profile
- Postcode residents
- 96
- Postcode households
- 33
- Residents per household
- 2.9
- TS21 3 residents
- 3,524
47 female, 49 male
Age bands in TS21 3
Wider postcode sector- Age 0 to 14
- 16.9%
- Age 15 to 24
- 9.6%
- Age 25 to 44
- 25.3%
- Age 45 to 64
- 27.6%
- Age 65 and over
- 20.6%
606 residents
345 residents
908 residents
994 residents
742 residents
This postcode contained 2.7% of the sector's usual residents on Census Day. The age profile describes the wider TS21 3 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+
- 97.1%
- Ultrafast, 300 Mbit/s+
- 82.9%
- Gigabit-capable
- 97.1%
- 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
1
within 5 km
SKERNE MEDICAL GROUP
HARBINSON HOUSE, FRONT STREET, SEDGEFIELD, STOCKTON-ON-TEES, TS21 3BN
ODS code A83054
1.5 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
- 0.1 miles
Winterton South East Lodge
BCT · Sedgefield
- 0.1 miles
Winterton South East Lodge
BCT · Sedgefield
- 0.2 miles
Cottages
BCT · Sedgefield
- 0.2 miles
Cottages
BCT · Sedgefield
- 0.2 miles
North East Technology Park
BCT · Sedgefield
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.
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
7 open schools are in scope, including 6 primary and 1 secondary schools. Sedgefield Hardwick Primary Academy is the nearest published school at 986 m.
Counts describe active establishment records. They do not assess admissions, catchments or quality.
Recorded crime
242 published events cover 12 months, averaging 20.167 events per published month. The largest recorded category is Violence and sexual offences with 93 events.
The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.