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DN21 2SU

Gainsborough South-West · West Lindsey · England

Updated September 2026

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Location overview

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Ward
Gainsborough South-West
Local authority
West Lindsey
Constituency
Gainsborough
Postcode district
DN21
Postcode sector
DN21 2

Nearby postcodes

Nearby postcode distances
Postcode Distance
DN21 2LG 51 m
DN21 2LD 64 m
DN21 2NS 82 m
DN21 2LE 95 m
DN21 2LF 124 m
Complete postcode fields and official codes
Postcode
DN21 2SU
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
DN
Postcode district
DN21
Postcode sector
DN21 2
Latitude
53.402954
Longitude
-0.779903
British National Grid easting
481,215
British National Grid northing
390,261

Statistical and administrative geographies

Country
England · E92000001
Region
East Midlands · E12000004
Local authority district
West Lindsey · E07000142
Electoral ward
Gainsborough South-West · E05009642
Parish or community
E04006081
Westminster constituency
Gainsborough · E14001243
Output area
E00134040
Lower layer super output area
West Lindsey 004F · E01026384
Middle layer super output area
West Lindsey 004 · E02005495

Postcode source versions

Explore DN21

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

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
20
Primary
12
Secondary
2

  1. Castles Education

    Other independent school

    0 m

  2. The Gainsborough Parish Church Primary School

    Academy converter

    189 m

  3. Handel House Preparatory School

    Other independent school

    469 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
2,845
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 1,080
  • Anti social behaviour 480
  • Shoplifting 389
  • Criminal damage and arson 281
  • Public order 148

Census 2021

Population and age profile

Postcode residents
Not supplied
Postcode households
Not supplied
Residents per household
Not available
DN21 2 residents
7,049

Age bands in DN21 2

Wider postcode sector
Age 0 to 14
18.8%

1,355 residents

Age 15 to 24
11.1%

797 residents

Age 25 to 44
25.7%

1,846 residents

Age 45 to 64
26.6%

1,914 residents

Age 65 and over
17.8%

1,283 residents

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
100%
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

2

within 5 km

  • CASKGATE STREET SURGERY

    ELSWITHA HALL, 3 CASKGATE STREET, GAINSBOROUGH, DN21 2DJ

    ODS code C83044

    444 m

  • CLEVELAND SURGERY

    VANESSA DRIVE, GAINSBOROUGH, DN21 2UQ

    ODS code C83018

    985 m

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

  • Balfour Street

    BCT · Gainsborough

    0.1 miles

  • Riverside Approach

    BCT · Gainsborough

    0.1 miles

  • Riverside Approach

    BCT · Gainsborough

    0.1 miles

  • Japan Road

    BCT · Gainsborough

    0.2 miles

  • Connaught Road

    BCT · Gainsborough

    0.2 miles

Relative deprivation

English Indices of Deprivation 2025 for West Lindsey 004F, 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

1 of 10

Overall England rank

2,001 of 33,755

Income
2 of 10
Employment
1 of 10
Education and skills
2 of 10
Health and disability
2 of 10
Crime
1 of 10
Housing and services
5 of 10
Living environment
2 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
1
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

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

Schools

Published establishments

20 open schools are in scope, including 12 primary and 2 secondary schools. Castles Education is the nearest published school at 0 m.

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

Recorded crime

Published police records

2,845 published events cover 12 months, averaging 237.083 events per published month. The largest recorded category is Violence and sexual offences with 1,080 events.

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