Property market
The five-year median is £182,500 from 2 recorded sales in DN21 3NL. This is a recorded-sale statistic, not a current valuation.
The latest UK House Price Index average for West Lindsey is £210,732 in June 2026, up 8.9% year on year.
DN21 3NL
Scotter and Blyton · West Lindsey · England
Updated September 2026
Compare this postcodeLocation overview
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- Post town
- Gainsborough
- Ward
- Scotter and Blyton
- Local authority
- West Lindsey
- Constituency
- Gainsborough
- Postcode district
- DN21
- Postcode sector
- DN21 3
Nearby postcodes
Complete postcode fields and official codes
- Postcode
- DN21 3NL
- Status
- Current
- Introduced
- 1 January 1980
- Terminated
- Not published
- Postcode area
- DN
- Postcode district
- DN21
- Postcode sector
- DN21 3
- Latitude
- 53.440299
- Longitude
- -0.721897
- British National Grid easting
- 484,997
- British National Grid northing
- 394,483
Statistical and administrative geographies
- Country
- England · E92000001
- Region
- East Midlands · E12000004
- Local authority district
- West Lindsey · E07000142
- Electoral ward
- Scotter and Blyton · E05009650
- Parish or community
- E04005963
- Westminster constituency
- Gainsborough · E14001243
- Output area
- E00134167
- Lower layer super output area
- West Lindsey 002E · E01026407
- Middle layer super output area
- West Lindsey 002 · E02005493
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 DN21
Property
13 recorded
sales at this postcode
| Address | Date | Price |
|---|---|---|
| 12, The Avenue, Blyton, Gainsborough, DN21 3NL | 23 June 2026 | £185,000 |
| 4, The Avenue, Blyton, Gainsborough, DN21 3NL | 4 November 2022 | £180,000 |
| 4, The Avenue, Blyton, Gainsborough, DN21 3NL | 25 April 2018 | £125,000 |
Schools
Within 3.1 miles of this postcode
- Open schools
- 7
- Primary
- 3
- Secondary
- 2
- 564 m
Blyton Cum Laughton Church of England School
Voluntary aided school
- 3.6 km
Corringham CofE VC Primary School
Voluntary controlled school
- 4.1 km
The Gainsborough Academy
Academy sponsor led
Recorded crime
Within 1 mile of this postcode
- Published events
- 73
- Months covered
- 12
- Latest month
- June 2026
Most recorded categories in this period
- Violence and sexual offences 37
- Anti social behaviour 13
- Criminal damage and arson 10
- Public order 4
- Burglary 3
Census 2021
Population and age profile
- Postcode residents
- 19
- Postcode households
- 8
- Residents per household
- 2.4
- DN21 3 residents
- 7,431
12 female, 7 male
Age bands in DN21 3
Wider postcode sector- Age 0 to 14
- 14%
- Age 15 to 24
- 9%
- Age 25 to 44
- 17.9%
- Age 45 to 64
- 31.5%
- Age 65 and over
- 27.5%
1,045 residents
672 residents
1,331 residents
2,346 residents
2,044 residents
This postcode contained 0.3% of the sector's usual residents on Census Day. The age profile describes the wider DN21 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+
- 12.5%
- Ultrafast, 100 Mbit/s+
- 0%
- Ultrafast, 300 Mbit/s+
- 0%
- Gigabit-capable
- 0%
- Unable to receive decent fixed or FWA broadband
- 0%
- Next Generation Access
- 100%
- Decent broadband available from fixed wireless
- 100%
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.
Nearby transport
- 0.0 miles
Hill Top Lane
BCT · Blyton
- 0.1 miles
Hill Top Lane
BCT · Blyton
- 0.1 miles
Paddock Lane
BCT · Blyton
- 0.1 miles
Paddock Lane
BCT · Blyton
- 0.3 miles
White Hart PH
BCT · Blyton
Relative deprivation
English Indices of Deprivation 2025 for West Lindsey 002E, 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
4 of 10
Overall England rank
11,242 of 33,755
- Income
- 5 of 10
- Employment
- 4 of 10
- Education and skills
- 4 of 10
- Health and disability
- 6 of 10
- Crime
- 5 of 10
- Housing and services
- 1 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
- 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 3 primary and 2 secondary schools. Blyton Cum Laughton Church of England School is the nearest published school at 564 m.
Counts describe active establishment records. They do not assess admissions, catchments or quality.
Recorded crime
73 published events cover 12 months, averaging 6.083 events per published month. The largest recorded category is Violence and sexual offences with 37 events.
The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.