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SG3 6UD

Knebworth · North Hertfordshire · England

Updated September 2026

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Location overview

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Ward
Knebworth
Local authority
North Hertfordshire
Constituency
Stevenage
Postcode district
SG3
Postcode sector
SG3 6

Nearby postcodes

Nearby postcode distances
Postcode Distance
SG3 6HG 59 m
SG3 6HH 62 m
SG3 6HJ 94 m
SG3 6BS 103 m
SG3 6BP 144 m
Complete postcode fields and official codes
Postcode
SG3 6UD
Status
Terminated
Introduced
1 December 1997
Terminated
1 June 1999
Postcode area
SG
Postcode district
SG3
Postcode sector
SG3 6
Latitude
51.860502
Longitude
-0.183091
British National Grid easting
525,213
British National Grid northing
219,550

Statistical and administrative geographies

Country
England · E92000001
Region
East of England · E12000006
Local authority district
North Hertfordshire · E07000099
Electoral ward
Knebworth · E05015768
Parish or community
E04004783
Westminster constituency
Stevenage · E14001516
Output area
E00119998
Lower layer super output area
North Hertfordshire 015E · E01023628
Middle layer super output area
North Hertfordshire 015 · E02004923

Postcode source versions

Explore SG3

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
30
Primary
19
Secondary
3

  1. Knebworth Primary and Nursery School

    Community school

    455 m

  2. St Michael's Woolmer Green CofE VA Primary School

    Voluntary aided school

    1.1 km

  3. All Saints Church of England Voluntary Aided Primary School, Datchworth

    Voluntary aided school

    1.4 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
303
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 106
  • Anti social behaviour 54
  • Vehicle crime 26
  • Shoplifting 25
  • Criminal damage and arson 24

Census 2021

Population and age profile

Postcode residents
Not supplied
Postcode households
Not supplied
Residents per household
Not available
SG3 6 residents
7,208

Age bands in SG3 6

Wider postcode sector
Age 0 to 14
16.3%

1,165 residents

Age 15 to 24
9.2%

655 residents

Age 25 to 44
23.4%

1,665 residents

Age 45 to 64
29%

2,066 residents

Age 65 and over
22.1%

1,576 residents

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.

GP practices

5

within 5 km straight-line

  • KNEBWORTH & MARYMEAD PRACTICE

    7 ST MARTINS ROAD, KNEBWORTH, SG3 6ER

    ODS code E82035

    614 m

  • SHEPHALL HEALTH CENTRE

    RIDLINS END, STEVENAGE, SG2 9QZ

    ODS code E82056

    3.5 km

  • BRIDGE COTTAGE SURGERY

    41 HIGH STREET, WELWYN, AL6 9EF

    ODS code E82019

    4.1 km

  • WATTON PLACE CLINIC

    HIGH STREET, WATTON AT STONE, HERTFORD, SG14 3SY

    ODS code E82121

    4.6 km

  • BEDWELL MEDICAL CENTRE

    SINFIELD CL, BEDWELL CRES, STEVENAGE, SG1 1LQ

    ODS code E82093

    4.9 km

Nearby transport

  • Gun Road

    BCT · Knebworth

    0.0 miles

  • Monread Lodge

    BCT · Woolmer Green

    0.1 miles

  • Gun Road

    BCT · Knebworth

    0.1 miles

  • Monread Lodge

    BCT · Woolmer Green

    0.2 miles

  • Wickfield

    BCT · Woolmer Green

    0.4 miles

Relative deprivation

English Indices of Deprivation 2025 for North Hertfordshire 015E, 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

10 of 10

Overall England rank

30,498 of 33,755

Income
9 of 10
Employment
9 of 10
Education and skills
10 of 10
Health and disability
10 of 10
Crime
8 of 10
Housing and services
9 of 10
Living environment
4 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.

Evidence in context

Schools

30 open schools are in scope, including 19 primary and 3 secondary schools. Knebworth Primary and Nursery School is the nearest published school at 455 m.

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

Recorded crime

303 published events cover 12 months, averaging 25.25 events per published month. The largest recorded category is Violence and sexual offences with 106 events.

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