SO51 6RS

Blackwater · Test Valley · England

Updated September 2026

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Location overview

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Ward: Blackwater
Local authority: Test Valley
Constituency: Romsey and Southampton North
Postcode district: SO51
Postcode sector: SO51 6

Nearby postcodes

Nearby postcode distances
Postcode	Distance
SO51 6FG	366 m
SO51 6FL	455 m
SO51 6FF	615 m
SO51 6FJ	660 m
SO51 6JY	665 m

Complete postcode fields and official codes

Postcode: SO51 6RS
Status: Current
Introduced: 1 June 1996
Terminated: Not published
Postcode area: SO
Postcode district: SO51
Postcode sector: SO51 6
Latitude: 51.001146
Longitude: -1.574741
British National Grid easting: 429,936
British National Grid northing: 122,504

Statistical and administrative geographies

Country: England · E92000001
Region: South East · E12000008
Local authority district: Test Valley · E07000093
Electoral ward: Blackwater · E05012093
Parish or community: E04012857
Westminster constituency: Romsey and Southampton North · E14001449
Output area: E00117684
Lower layer super output area: Test Valley 013A · E01023162
Middle layer super output area: Test Valley 013 · E02004826

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 SO51

Schools

Within 3.1 miles of this postcode

View all nearby schools

Open schools: 5
Primary: 3
Secondary: 0

Awbridge Primary School

Academy converter
2.6 km
Embley

Other independent school
2.8 km
St Edward's School

Other independent special school
2.9 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records

Published events: 18
Months covered: 12
Latest month: June 2026

Most recorded categories in this period

Violence and sexual offences 9
Burglary 4
Vehicle crime 3
Anti social behaviour 2

Census 2021

Population and age profile

Postcode residents: Not supplied
Postcode households: Not supplied
Residents per household: Not available
SO51 6 residents: 4,716

Age bands in SO51 6

Wider postcode sector

Age 0 to 14: 13.4%
Age 15 to 24: 8.9%
Age 25 to 44: 16.2%
Age 45 to 64: 30.8%
Age 65 and over: 30.7%

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: 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.

Nearby transport

Newtown Road

BCT · Doctors Hill
0.3 miles
Newtown Road

BCT · Doctors Hill
0.3 miles
Mill Lane

BCT · Sherfield English
0.4 miles
Mill Lane

BCT · Sherfield English
0.5 miles
Graemar Lane

BCT · Sherfield English
0.9 miles

Relative deprivation

English Indices of Deprivation 2025 for Test Valley 013A, 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

7 of 10

Overall England rank

21,448 of 33,755

Income: 9 of 10
Employment: 10 of 10
Education and skills: 7 of 10
Health and disability: 10 of 10
Crime: 10 of 10
Housing and services: 1 of 10
Living environment: 3 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

5 open schools are in scope, including 3 primary and 0 secondary schools. Awbridge Primary School is the nearest published school at 1.6 miles.

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

Recorded crime

18 published events cover 12 months, averaging 1.5 events per published month. The largest recorded category is Violence and sexual offences with 9 events.

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