SG6 4AU

Letchworth Wilbury · North Hertfordshire · England

Updated September 2026

Compare this postcode

Location overview

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Post town
Letchworth Garden City
Local authority
North Hertfordshire
Postcode district
SG6
Postcode sector
SG6 4

Nearby postcodes

Nearby postcode distances
Postcode Distance
SG6 4AT 66 m
SG6 4XU 99 m
SG6 4UT 105 m
SG6 4AR 116 m
SG6 4XJ 136 m
Complete postcode fields and official codes
Postcode
SG6 4AU
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
SG
Postcode district
SG6
Postcode sector
SG6 4
Latitude
51.977662
Longitude
-0.243204
British National Grid easting
520,759
British National Grid northing
232,478

Statistical and administrative geographies

Country
England · E92000001
Region
East of England · E12000006
Local authority district
North Hertfordshire · E07000099
Parish or community
E43000232
Westminster constituency
North East Hertfordshire · E14001393
Output area
E00120111
Lower layer super output area
North Hertfordshire 007B · E01023650
Middle layer super output area
North Hertfordshire 007 · E02004915

Postcode source versions

Explore SG6

12 recorded sales at this postcode
Address Date Price
79a, Icknield Way, Letchworth Garden City, SG6 4AU 21 January 2026 £185,000
87b, Icknield Way, Letchworth Garden City, SG6 4AU 23 May 2023 £230,000
79a, Icknield Way, Letchworth Garden City, SG6 4AU 8 December 2017 £194,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
49
Primary
33
Secondary
8
  1. Icknield Infant and Nursery School

    Community school

    265 m
  2. Fearnhill School

    Foundation school

    324 m
  3. Wilbury Junior School

    Academy converter

    531 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
1,273
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 521
  • Anti social behaviour 231
  • Shoplifting 102
  • Criminal damage and arson 102
  • Public order 81

Census 2021

Population and age profile

Postcode residents
27

14 female, 13 male

Postcode households
19
Residents per household
1.4
SG6 4 residents
12,861

Age bands in SG6 4

Wider postcode sector
Age 0 to 14
18%

2,266 residents

Age 15 to 24
9.8%

1,234 residents

Age 25 to 44
26.7%

3,368 residents

Age 45 to 64
26.1%

3,298 residents

Age 65 and over
19.4%

2,451 residents

This postcode contained 0.2% of the sector's usual residents on Census Day. The age profile describes the wider SG6 4 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+
100%
Ultrafast, 300 Mbit/s+
100%
Gigabit-capable
100%
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.

GP practices

9

within 5 km

  • THE NEVELLS ROAD SURGERY

    NEVELLS ROAD, LETCHWORTH GARDEN CITY, SG6 4TS

    ODS code E82008

    1.0 km

  • THE GARDEN CITY SURGERY

    59 STATION ROAD, LETCHWORTH GARDEN CITY, SG6 3BJ

    ODS code E82661

    1.3 km

  • THE BIRCHWOOD AND SOLLERSHOTT SURGERIES

    232-240 NEVELLS ROAD, LETCHWORTH GARDEN CITY, SG6 4UB

    ODS code E82082

    1.4 km

  • REGAL CHAMBERS SURGERY

    50 BANCROFT, HITCHIN, SG5 1LL

    ODS code E82075

    3.6 km

  • BANCROFT MEDICAL CENTRE

    BANCROFT COURT, 30-35 BANCROFT, HITCHIN, SG5 1LH

    ODS code E82053

    3.7 km

  • THE PORTMILL SURGERY

    114 QUEEN STREET, HITCHIN, SG4 9TH

    ODS code E82044

    3.9 km

  • HERTFORDSHIRE SPECIAL ALLOCATION SCHEME

    THE TREATMENT CENTRE, PORTMILL HOUSE, PORTMILL LANE, HITCHIN, SG5 1DJ

    ODS code Y06095

    3.9 km

  • THE BALDOCK SURGERY

    THE SURGERY, ASTONIA HOUSE, HIGH STREET, BALDOCK, SG7 6BP

    ODS code E82099

    4.2 km

  • LARKSFIELD AND ARLESEY MEDICAL PRACTICE

    LARKSFIELD & ARLESEY SURGERY, ARLESEY ROAD, STOTFOLD, HITCHIN, SG5 4HB

    ODS code E81022

    4.4 km

Main GP practices only; branch surgeries are excluded. Distances are straight-line. Contact the practice to check registration, services, opening hours and appointments.

Source acquired on 2026-09-05. Contains information from NHS England, licenced under the current version of the Open Government Licence.

Nearby transport

  • Icknield Way

    BCT · Wilbury Hills

    0.1 miles
  • Bursland

    BCT · Wilbury Hills

    0.1 miles
  • Burnell Rise

    BCT · Letchworth

    0.2 miles
  • Burnell Rise

    BCT · Letchworth

    0.2 miles
  • Abbotts Road

    BCT · Wilbury Hills

    0.2 miles

Relative deprivation

English Indices of Deprivation 2025 for North Hertfordshire 007B, 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

3 of 10

Overall England rank

10,119 of 33,755

Income
2 of 10
Employment
3 of 10
Education and skills
3 of 10
Health and disability
5 of 10
Crime
4 of 10
Housing and services
5 of 10
Living environment
10 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

Property market

The five-year median is £207,500 from 2 recorded sales in SG6 4AU. This is a recorded-sale statistic, not a current valuation.

The latest UK House Price Index average for North Hertfordshire is £422,616 in June 2026, up 7.8% year on year.

Schools

49 open schools are in scope, including 33 primary and 8 secondary schools. Icknield Infant and Nursery School is the nearest published school at 265 m.

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

Recorded crime

1,273 published events cover 12 months, averaging 106.083 events per published month. The largest recorded category is Violence and sexual offences with 521 events.

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