SG3 6DW

Knebworth · North Hertfordshire · England

Updated September 2026

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Location overview

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

Nearby postcodes

Nearby postcode distances
Postcode Distance
SG3 6EQ 1 m
SG3 6BA 47 m
SG3 6BL 88 m
SG3 6EH 111 m
SG3 6BY 116 m
Complete postcode fields and official codes
Postcode
SG3 6DW
Status
Terminated
Introduced
1 January 1983
Terminated
1 December 2013
Postcode area
SG
Postcode district
SG3
Postcode sector
SG3 6
Latitude
51.866193
Longitude
-0.190676
British National Grid easting
524,675
British National Grid northing
220,170

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
E00119997
Lower layer super output area
North Hertfordshire 015D · E01023627
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
32
Primary
20
Secondary
2
  1. Knebworth Primary and Nursery School

    Community school

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

    Voluntary aided school

    1.8 km
  3. St Margaret Clitherow Roman Catholic Primary School

    Voluntary aided school

    2.0 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
323
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 122
  • Anti social behaviour 52
  • Shoplifting 25
  • Criminal damage and arson 24
  • Vehicle crime 23

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

    700 m

  • SHEPHALL HEALTH CENTRE

    RIDLINS END, STEVENAGE, SG2 9QZ

    ODS code E82056

    3.2 km

  • BEDWELL MEDICAL CENTRE

    SINFIELD CL, BEDWELL CRES, STEVENAGE, SG1 1LQ

    ODS code E82093

    4.3 km

  • BRIDGE COTTAGE SURGERY

    41 HIGH STREET, WELWYN, AL6 9EF

    ODS code E82019

    4.4 km

  • KING GEORGE & MANOR HOUSE SURGERIES

    KING GEORGE SURGERY(MAIN), 135 HIGH STREET, STEVENAGE, SG1 3HT

    ODS code E82086

    4.7 km

Nearby transport

  • Deard's End Lane

    BCT · Knebworth

    0.1 miles
  • Deard's End Lane

    BCT · Knebworth

    0.1 miles
  • Knebworth Railway Station

    BCT · Knebworth

    0.1 miles
  • Knebworth Railway Station

    BCT · Knebworth

    0.1 miles
  • Knebworth Rail Station

    RSE · Knebworth

    0.1 miles

Relative deprivation

English Indices of Deprivation 2025 for North Hertfordshire 015D, 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

9 of 10

Overall England rank

28,342 of 33,755

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

Evidence in context

Schools

32 open schools are in scope, including 20 primary and 2 secondary schools. Knebworth Primary and Nursery School is the nearest published school at 586 m.

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

Recorded crime

323 published events cover 12 months, averaging 26.917 events per published month. The largest recorded category is Violence and sexual offences with 122 events.

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