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SG6 3NX

POSTCODE

A Letchworth South West postcode in North Hertfordshire, a 5-minute walk from Letchworth Rail.

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Getting around

Straight-line distance from this postcode. Walking time is approximate.

Stations

  • Letchworth Rail Station

    Rail · entrance

    382 m straight lineabout 5 min

  • Letchworth Garden City Rail Station

    Rail

    396 m straight lineabout 5 min

  • Hitchin Rail Station

    Rail

    3.4 km straight lineabout 42 min

Bus stops

  • Plinston Hall

    Bus · o/s · north

    30 m straight lineabout 1 min

  • Plinston Hall

    Bus · opp · south

    136 m straight lineabout 2 min

  • Broadway

    Bus · Stop H · north

    213 m straight lineabout 3 min

  • Morrisons

    Bus · o/s · south-west

    236 m straight lineabout 3 min

  • Broadway

    Bus · Stop G · south

    276 m straight lineabout 3 min

Property sales (Land Registry)

England & Wales
Property sales · SG6 3
HM Land Registry Price Paid Data · SG6 3 · Oct 2025–Sep 2026 · 61 sales

SG6 3NX has no standard sales in Oct 2025–Sep 2026, so these figures are for the SG6 3 sector.

Average price
£611,943
Median price: £485,000
Median +7.8% vs prior 12 months
Standard sales only · Oct 2025–Sep 2026 · 61 sales
View district SG6
Property type filter
Recent sale price trend
Oct '25 – Aug '26Aug '26: 5 sales · avg £685,099
X axis: MonthY axis: Avg sold price (hover shows sales count)
£829k£620k£410k
Oct '25Dec '25Mar '26Jun '26Aug '26
£625,000 · 2026-08-20 · Detached · Freehold
SG6 3RS
£700,000 · 2026-08-19 · Detached · Freehold
SG6 3XY
£385,000 · 2026-08-19 · Terraced · Freehold
SG6 3SQ
£345,500 · 2026-08-19 · Terraced · Leasehold
SG6 3ST
£1,370,000 · 2026-08-11 · Detached · Freehold
SG6 3PH
£715,000 · 2026-07-24 · Detached · Freehold
SG6 3QD
£210,000 · 2026-07-24 · Flat / maisonette · Leasehold
SG6 3PN
£3,070,000 · 2026-07-16 · Detached · Freehold
SG6 3NG
£255,000 · 2026-07-14 · Flat / maisonette · Leasehold
SG6 3PW
£1,027,500 · 2026-07-10 · Detached · Freehold
SG6 3UE
HM Land Registry Price Paid Data, OGL.

Police Recorded Crime near SG6 3NX

England & Wales
Crime trends · near SG6 3NX

This large-user / landmark postcode reports Letchworth South West electoral ward, not a 1-mile street dump of nearby crimes.

data.police.uk · YoY vs same month last year · per 1,000 residents (Census 2021)Sep '24 – Aug '26
Key categories · YoY
Violent Crime
21
YoY -22%
342311
Sep '24Mar '25Sep '25Mar '26Aug '26
ASB
18
YoY -25%
24155
Sep '24Mar '25Sep '25Mar '26Aug '26
Vehicle Crime
2
YoY —
420
Sep '24Mar '25Sep '25Mar '26Aug '26
Burglary
4
YoY —
630
Sep '24Mar '25Sep '25Mar '26Aug '26
Criminal damage
8
YoY -20%
1271
Sep '24Mar '25Sep '25Mar '26Aug '26
Other recorded crime
13
YoY -55%
60336
Sep '24Mar '25Sep '25Mar '26Aug '26

4 of 6 key categories improving

66
incidents · Aug '26

People

Household income (MSOA)

Average household income for the neighbourhood (MSOA) around this postcode, financial year ending March 2023

Financial year ending March 2023 · MSOA 2021 · North Hertfordshire 008 (E02004916)

This is the published estimate for the MSOA that contains this postcode (about 2,000–6,000 households). It describes the neighbourhood around the postcode. England and Wales only.

Total annual household income
£79,310

£67,587–£93,066

Disposable (net) annual household income
£54,386

£47,078–£62,827

Disposable (net) annual household income before housing costs (equivalised)
£48,464

£44,747–£52,491

Disposable (net) annual household income after housing costs (equivalised)
£40,583

£35,569–£46,304

Source: Office for National Statistics. Income estimates for small areas, England and Wales, financial year ending 2023.

Income estimates for small areas, England and Wales · Open Government Licence v3.0

Ethnicity

Total residents: 1,569
White Brit.76.2%
Other White4.5%
Indian4.1%
Caribbean2.2%
Chinese1.9%
+ 12 other groups · 11.2%

Religion

Total residents: 1,562
Christian45.2%
No religion43.2%
Not answered5.2%
Sikh3.5%
Muslim1.3%
+ 3 other religions · 1.5%

Age groups

Total residents: 1,563
50–6420.1%
35–4919.1%
65–7413.2%
25–3410.0%
10–158.0%
+ 6 other age groups · 29.7%

Households

Total households: 682
One person: aged 66+16.1%
One person: other15.5%
Married or civil partnership couple: Dependent children14.5%
Single family household, all members 66+12.9%
Married or civil partnership couple: No children9.7%
+ 9 other households · 31.2%

Deprivation Index (IMD)

IMD England — Index of Multiple Deprivation
Measures deprivation across income, employment, health, education, crime, housing, barriers to housing and services, and living environment.
20065
Rank out of 33,755 LSOAs in England
1 - Most deprived10 - Least deprived
Rank 20065 out of 33,755 lower layer super output areas in England. N/A for Wales, Scotland and Northern Ireland as this postcode is in England.

Flood zone

Flood Zone 1 at the postcode centre (EA Flood Map for Planning)

Flood Zone 1 at the postcode centre (EA Flood Map for Planning). This is the Environment Agency Flood Map for Planning zone at the ONS postcode centroid, not a property-level assessment. Source: Environment Agency flood map for planning, © Environment Agency copyright and/or database right, Open Government Licence v3.0.

Environment Agency flood map for planning · Open Government Licence v3.0

GOV.UK long-term flood risk checkerFlood map for planning
Technical details

Coordinates & Location for SG6 3NX

England
Country
North Hertfordshire
Local Authority
Hertfordshire
Letchworth South West
Ward
Stevenage and Welwyn Garden City
Travel to Work
TTWA
Postcode
SG6 3NX
Coordinates
51.9767, -0.2318
Grid reference
TL215323
Easting
521,548
Northing
232,395
Region
East of England
Plus Code
9C3XXQG9+M7
User Type
Large user postcode
Grid Quality
Quality indicator 1 (highest positional precision)
Built Up Area
Letchworth
Travel to Work
Stevenage and Welwyn Garden City
ITL Region
North Hertfordshire
National Park
Non-National Park

Administrative Information

North Hertfordshire
Local Authority
Council Area
North East Hertfordshire E14001393
Constituency
E14001393
Hertfordshire
Police Force
England
Ward
Letchworth South West
Constituency code
E14001393
EU Electoral Region
Eastern
Parish
North Hertfordshire, unparished area
International Territorial Level
North Hertfordshire

Health & NHS

East of England
Health Authority
Serving Hertfordshire
NHS England
East of England
Cancer Alliance
National
Health Authority
East of England
NHS Region
East of England
Integrated Care Board
NHS Central East Integrated Care Board
Primary Care Org
Hertfordshire
Sub ICB Location
NHS Central East ICB - 06K
Cancer Alliance
East of England

Statistical Areas

LSOA 2021
Super Output Area
North Hertfordshire 008B E01023645
E01023645
MSOA 2021
Mid Super Output
North Hertfordshire 008 E02004916
E02004916
LSOA 2011
Super Output Area
North Hertfordshire 008B E01023645
E01023645
MSOA 2011
Mid Super Output
North Hertfordshire 008 E02004916
E02004916
Urban: Nearer to a major town or city
Rural/Urban Classification 2021
2001 Classification
(England/Wales) Urban ≥ 10k – less sparse: OA falls within urban settlements with a population of 10,000 or more and the wider surrounding area is less sparsely populated 5
2011 Classification
(England/Wales) Urban city and town C1
2021 Classification
Urban: Nearer to a major town or city UN1

Sun & Time Information

6:49 AM4:39 PM
6:49 AM
Sunrise
4:39 PM
Sunset
9 hours 50 minutes of daylight today
Sunrise (today)
6:49 AM
Sunset (today)
4:39 PM
Daylight duration
9 hours 50 minutes
Time zone
GMT / BST (UTC +0 / +1)

Postcode History

March 1983
First Introduced
Active from
Not terminated
Usage Ended
Terminated
~43 years
Active Duration
1983 -> Present
March 1983 — Introduced
Postcode SG6 3NX introduced by Royal Mail.
2001 — Census Classification
2001 Rural/Urban Classification: (England/Wales) Urban ≥ 10k – less sparse: OA falls within urban settlements with a population of 10,000 or more and the wider surrounding area is less sparsely populated 5
2011 — Reclassified
2011 Rural/Urban Classification: (England/Wales) Urban city and town C1.
2021 — Census Update
2021 Census classification: Urban: Nearer to a major town or city UN1. LSOA E01023645 and MSOA E02004916 assigned.
2025 — Indices of Deprivation
IMD England rank: 20065
Present — Active
Postcode SG6 3NX is currently active and in use.
First introduced
March 1983
Usage ended
Not terminated
Active duration
~43 years
Last updated
2026-08-01
Current status
Live

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