SO51 6BU

Blackwater · Test Valley · England

Updated September 2026

Compare this postcode

Location overview

Drag to pan. Use + or - to zoom. Open larger map
Post town
Romsey
Local authority
Test Valley
Postcode district
SO51
Postcode sector
SO51 6

Nearby postcodes

Nearby postcode distances
Postcode Distance
SO51 6BP 12 m
SO51 6GD 66 m
SO51 6GB 72 m
SO51 6GH 160 m
SO51 6RN 191 m
Complete postcode fields and official codes
Postcode
SO51 6BU
Status
Current
Introduced
1 January 1986
Terminated
Not published
Postcode area
SO
Postcode district
SO51
Postcode sector
SO51 6
Latitude
50.970143
Longitude
-1.588297
British National Grid easting
429,004
British National Grid northing
119,051

Statistical and administrative geographies

Country
England · E92000001
Region
South East · E12000008
Local authority district
Test Valley · E07000093
Parish or community
E04012862
Output area
E00117688
Lower layer super output area
Test Valley 013C · E01023164
Middle layer super output area
Test Valley 013 · E02004826

Postcode source versions

Explore SO51

10 recorded sales at this postcode
Address Date Price
Sandstone Cottage, Salisbury Road, West Wellow, Romsey, SO51 6BU 22 October 2020 £523,000
Post House, Salisbury Road, West Wellow, Romsey, SO51 6BU 29 May 2019 £265,000
West Wellow Stores, Salisbury Road, West Wellow, Romsey, SO51 6BU 21 November 2016 £550,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
5
Primary
3
Secondary
0
  1. Wellow Primary School

    Academy converter

    2.0 km
  2. Embley

    Other independent school

    3.7 km
  3. St Edward's School

    Other independent special school

    3.8 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
101
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 47
  • Other theft 12
  • Criminal damage and arson 11
  • Burglary 8
  • Anti social behaviour 7

Census 2021

Population and age profile

Postcode residents
20

9 female, 11 male

Postcode households
10
Residents per household
2.0
SO51 6 residents
4,716

Age bands in SO51 6

Wider postcode sector
Age 0 to 14
13.4%

598 residents

Age 15 to 24
8.9%

399 residents

Age 25 to 44
16.2%

724 residents

Age 45 to 64
30.8%

1,378 residents

Age 65 and over
30.7%

1,375 residents

This postcode contained 0.4% of the sector's usual residents on Census Day. The age profile describes the wider SO51 6 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+
22.2%
Ultrafast, 300 Mbit/s+
22.2%
Gigabit-capable
22.2%
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

  • Slab Lane

    BCT · West Wellow

    0.0 miles
  • Slab Lane

    BCT · West Wellow

    0.1 miles
  • Gurnays Mead

    BCT · West Wellow

    0.1 miles
  • Gurnays Mead

    BCT · West Wellow

    0.1 miles
  • Canada Corner

    BCT · West Wellow

    0.2 miles

Relative deprivation

English Indices of Deprivation 2025 for Test Valley 013C, 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

23,398 of 33,755

Income
8 of 10
Employment
8 of 10
Education and skills
8 of 10
Health and disability
8 of 10
Crime
9 of 10
Housing and services
1 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
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. Wellow Primary School is the nearest published school at 1.2 miles.

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

Recorded crime

101 published events cover 12 months, averaging 8.417 events per published month. The largest recorded category is Violence and sexual offences with 47 events.

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