SG6 4NQ

Letchworth Grange · 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 4NE 55 m
SG6 4NB 60 m
SG6 4NF 65 m
SG6 4NS 81 m
SG6 4NG 99 m
Complete postcode fields and official codes
Postcode
SG6 4NQ
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
SG
Postcode district
SG6
Postcode sector
SG6 4
Latitude
51.991185
Longitude
-0.225693
British National Grid easting
521,925
British National Grid northing
234,011

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
E00120040
Lower layer super output area
North Hertfordshire 003C · E01023637
Middle layer super output area
North Hertfordshire 003 · E02004911

Postcode source versions

Explore SG6

13 recorded sales at this postcode
Address Date Price
3, Middlefields Court, Letchworth Garden City, SG6 4NQ 28 November 2017 £137,000
19, Middlefields Court, Letchworth Garden City, SG6 4NQ 30 May 2014 £94,000
21, Middlefields Court, Letchworth Garden City, SG6 4NQ 5 August 2013 £77,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
35
Primary
24
Secondary
5
  1. Northfields Infants and Nursery School

    Community school

    357 m
  2. The Grange Academy

    Academy converter

    502 m
  3. Stonehill School

    Community school

    770 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
1,434
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 535
  • Anti social behaviour 283
  • Shoplifting 129
  • Criminal damage and arson 114
  • Other theft 95

Census 2021

Population and age profile

Postcode residents
39

16 female, 23 male

Postcode households
30
Residents per household
1.3
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 0.3% 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

5

within 5 km

  • THE BIRCHWOOD AND SOLLERSHOTT SURGERIES

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

    ODS code E82082

    967 m

  • THE NEVELLS ROAD SURGERY

    NEVELLS ROAD, LETCHWORTH GARDEN CITY, SG6 4TS

    ODS code E82008

    1.2 km

  • THE GARDEN CITY SURGERY

    59 STATION ROAD, LETCHWORTH GARDEN CITY, SG6 3BJ

    ODS code E82661

    1.2 km

  • THE BALDOCK SURGERY

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

    ODS code E82099

    2.9 km

  • LARKSFIELD AND ARLESEY MEDICAL PRACTICE

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

    ODS code E81022

    3.0 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

  • Middlefields Court

    BCT · Grange Estate

    0.0 miles
  • Southfields

    BCT · Grange Estate

    0.1 miles
  • Linden Green

    BCT · Grange Estate

    0.1 miles
  • Farm Close

    BCT · Grange Estate

    0.2 miles
  • Whitehicks

    BCT · Grange Estate

    0.2 miles

Relative deprivation

English Indices of Deprivation 2025 for North Hertfordshire 003C, 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

9,534 of 33,755

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

Schools

35 open schools are in scope, including 24 primary and 5 secondary schools. Northfields Infants and Nursery School is the nearest published school at 357 m.

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

Recorded crime

1,434 published events cover 12 months, averaging 119.5 events per published month. The largest recorded category is Violence and sexual offences with 535 events.

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