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SG6 3LY

Letchworth South West · North Hertfordshire · England

Updated September 2026

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Location overview

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Post town
Letchworth Garden City
Local authority
North Hertfordshire
Postcode district
SG6
Postcode sector
SG6 3

Nearby postcodes

Nearby postcode distances
Postcode Distance
SG6 3QA 122 m
SG6 3LX 204 m
SG6 3QD 210 m
SG6 3QB 237 m
SG6 3PY 267 m
Complete postcode fields and official codes
Postcode
SG6 3LY
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
SG
Postcode district
SG6
Postcode sector
SG6 3
Latitude
51.967826
Longitude
-0.241436
British National Grid easting
520,907
British National Grid northing
231,387

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
E00120098
Lower layer super output area
North Hertfordshire 008E · E01023648
Middle layer super output area
North Hertfordshire 008 · E02004916

Postcode source versions

Explore SG6

1 recorded sale at this postcode
Address Date Price
Old Orchard, Briar Patch Lane, Letchworth Garden City, SG6 3LY 19 May 2017 £1,250,000

Schools

Within 5 km of this postcode

View all nearby schools
Open schools
47
Primary
33
Secondary
6
  1. North Herts Education Support Centre

    Pupil referral unit

    1 m
  2. The Highfield School

    Academy converter

    122 m
  3. St Thomas More Roman Catholic Primary School

    Academy converter

    237 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
975
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 378
  • Anti social behaviour 175
  • Shoplifting 93
  • Criminal damage and arson 82
  • Other theft 62

Census 2021

Population and age profile

Postcode residents
7
4 female, 3 male
Postcode households
2
Residents per household
3.5
SG6 3 residents
5,897

Age bands in SG6 3

Wider postcode sector
Age 0 to 14
17.1%
1,069 residents
Age 15 to 24
10.2%
641 residents
Age 25 to 44
21%
1,314 residents
Age 45 to 64
27.5%
1,722 residents
Age 65 and over
24.1%
1,510 residents

This postcode contained 0.1% of the sector's usual residents on Census Day. The age profile describes the wider SG6 3 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+
66.7%
Ultrafast, 100 Mbit/s+
16.7%
Ultrafast, 300 Mbit/s+
16.7%
Gigabit-capable
16.7%
Unable to receive decent fixed or FWA broadband
0%
Next Generation Access
66.7%
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, coverage at January 2026, version 2026-01-v2. Contains Ofcom data licensed under the Open Government Licence v3.0.

GP practices

8

within 5 km straight-line

  • THE NEVELLS ROAD SURGERY

    NEVELLS ROAD, LETCHWORTH GARDEN CITY, SG6 4TS

    ODS code E82008

    1.7 km

  • THE GARDEN CITY SURGERY

    59 STATION ROAD, LETCHWORTH GARDEN CITY, SG6 3BJ

    ODS code E82661

    1.8 km

  • THE BIRCHWOOD AND SOLLERSHOTT SURGERIES

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

    ODS code E82082

    2.0 km

  • REGAL CHAMBERS SURGERY

    50 BANCROFT, HITCHIN, SG5 1LL

    ODS code E82075

    2.9 km

  • BANCROFT MEDICAL CENTRE

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

    ODS code E82053

    3.0 km

  • THE PORTMILL SURGERY

    114 QUEEN STREET, HITCHIN, SG4 9TH

    ODS code E82044

    3.1 km

  • HERTFORDSHIRE SPECIAL ALLOCATION SCHEME

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

    ODS code Y06095

    3.2 km

  • THE BALDOCK SURGERY

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

    ODS code E82099

    4.4 km

Nearby transport

  • Highfield School

    BCT · Letchworth

    215 m
  • Highfield School

    BCT · Letchworth

    217 m
  • Highfield

    BCT · Letchworth

    239 m
  • Highfield

    BCT · Letchworth

    252 m
  • Highfield

    BCT · Letchworth

    333 m

Relative deprivation

English Indices of Deprivation 2025 for North Hertfordshire 008E, 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

33,034 of 33,755

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

47 open schools are in scope, including 33 primary and 6 secondary schools. North Herts Education Support Centre is the nearest published school at 1 m.

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

Recorded crime

975 published events cover 12 months, averaging 81 events per published month. The largest recorded category is Violence and sexual offences with 378 events.

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