DN21 4BL

Ridge · North Lincolnshire · England

Updated September 2026

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Location overview

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Post town
Gainsborough
Ward
Ridge
Local authority
North Lincolnshire
Constituency
Scunthorpe
Postcode district
DN21
Postcode sector
DN21 4

Nearby postcodes

Nearby postcode distances
Postcode Distance
DN21 4TL 64 m
DN21 4BN 68 m
DN21 4BS 91 m
DN21 4EB 93 m
DN21 4ED 120 m
Complete postcode fields and official codes
Postcode
DN21 4BL
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
DN
Postcode district
DN21
Postcode sector
DN21 4
Latitude
53.479191
Longitude
-0.597238
British National Grid easting
493,192
British National Grid northing
398,965

Statistical and administrative geographies

Country
England · E92000001
Region
Yorkshire and the Humber · E12000003
Local authority district
North Lincolnshire · E06000013
Electoral ward
Ridge · E05015091
Parish or community
E04000566
Westminster constituency
Scunthorpe · E14001462
Output area
E00067246
Lower layer super output area
North Lincolnshire 022A · E01013322
Middle layer super output area
North Lincolnshire 022 · E02002770

Postcode source versions

Explore DN21

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

Property

At this postcode

View all property records
45 recorded sales at this postcode
Address Date Price
37, Richdale Avenue, Kirton Lindsey, Gainsborough, DN21 4BL 12 June 2026 £273,000
20, Richdale Avenue, Kirton Lindsey, Gainsborough, DN21 4BL 5 June 2026 £220,000
19, Richdale Avenue, Kirton Lindsey, Gainsborough, DN21 4BL 17 January 2025 £272,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
3
Primary
2
Secondary
1
  1. Kirton Lindsey Primary Academy

    Academy converter

    855 m
  2. Kirton Academy

    Academy converter

    980 m
  3. Scotter Primary School

    Community school

    4.8 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
108
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 53
  • Public order 12
  • Criminal damage and arson 11
  • Burglary 6
  • Other crime 6

Census 2021

Population and age profile

Postcode residents
68

39 female, 29 male

Postcode households
32
Residents per household
2.1
DN21 4 residents
5,117

Age bands in DN21 4

Wider postcode sector
Age 0 to 14
15.1%

781 residents

Age 15 to 24
8.6%

445 residents

Age 25 to 44
20.4%

1,054 residents

Age 45 to 64
31.2%

1,613 residents

Age 65 and over
24.6%

1,273 residents

This postcode contained 1.3% of the sector's usual residents on Census Day. The age profile describes the wider DN21 4 sector, not people in this individual postcode.

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
48.5%
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

1

within 5 km

  • KIRTON LINDSEY AND SCOTTER SURGERY

    THE SURGERY, TRAINGATE, KIRTON LINDSEY, GAINSBOROUGH, DN21 4PQ

    ODS code B81099

    603 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

  • Eastdale Drive

    BCT · Kirton in Lindsey

    0.1 miles
  • Richdale Avenue

    BCT · Kirton in Lindsey

    0.1 miles
  • Richdale Avenue

    BCT · Kirton in Lindsey

    0.1 miles
  • Millenium Cottages

    BCT · Kirton in Lindsey

    0.2 miles
  • Millenium Cottages

    BCT · Kirton in Lindsey

    0.2 miles

Relative deprivation

English Indices of Deprivation 2025 for North Lincolnshire 022A, 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

6 of 10

Overall England rank

18,544 of 33,755

Income
6 of 10
Employment
5 of 10
Education and skills
6 of 10
Health and disability
5 of 10
Crime
7 of 10
Housing and services
3 of 10
Living environment
7 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
3
Medium risk addresses
1
Low risk addresses
5
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.

Property market

Recorded sales

The five-year median is £249,500 from 10 recorded sales in DN21 4BL. This is a recorded-sale statistic, not a current valuation.

The latest UK House Price Index average for North Lincolnshire is £181,725 in June 2026, up 7.8% year on year.

Schools

Published establishments

3 open schools are in scope, including 2 primary and 1 secondary schools. Kirton Lindsey Primary Academy is the nearest published school at 855 m.

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

Recorded crime

Published police records

108 published events cover 12 months, averaging 9 events per published month. The largest recorded category is Violence and sexual offences with 53 events.

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