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SN3 4DD

SN3 4DD is a postcode in St Margaret and South Marston.

EnglandSouth WestSwindonSt Margaret and South MarstonSN3 4DD
POSTCODE
Small user postcodeQuality indicator 1 (highest positional precision)Updated 2026-02-01
Coordinates
51.5896, -1.7239
OS grid SU192878 (419,222, 187,893)
IMD England
8/10
#24169
Crime · May '26
92
MoM +119% vs Apr '26
Plus Code
9C3WH7QG+RC
Low deprivation
IMD England
92
Crime · May '26
£550,000
Median property price
—
Annual change
South West
Region
Live
Status
Low deprivation
IMD England
92
Crime · May '26
£550,000
Median property price
—
Annual change
South West
Region
Live
Status

Coordinates & Location for SN3 4DD

England
Country
Swindon
Local Authority
St Margaret and South Marston
Ward
Swindon
Travel to Work
TTWA
Postcode
SN3 4DD
Coordinates
51.5896, -1.7239
Grid reference
SU192878
Easting
419,222
Northing
187,893
Region
South West
Plus Code
9C3WH7QG+RC
User Type
Small user postcode
Grid Quality
Quality indicator 1 (highest positional precision)
Built Up Area
Stratton St Margaret
Travel to Work
Swindon
ITL Region
Swindon
National Park
Non-National Park

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.
24169
Rank out of 32,844 LSOAs in England
1 - Most deprived10 - Least deprived
Rank 24169 out of 32,844 lower layer super output areas in England. N/A for Wales, Scotland and Northern Ireland as this postcode is in England.

Property sales (Land Registry)

Property sales · SN3 4DD
HM Land Registry · Swindon
Average price
£550,000
YoY: not enough sales in one or both windows
Median price: £550,000
View district SN3
Property type filter
Recent sale price trend
Not enough monthly sales for chart with current filter.

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Contains HM Land Registry data © Crown copyright and database right. This data is licensed under the Open Government Licence v3.0.

Police Recorded Crime near SN3 4DD

Crime trends · near SN3 4DD
data.police.uk · YoY vs same month last yearJun '24 – May '26
Key categories · YoY
Violent Crime
463218
Jun '24Dec '24Jun '25Dec '25May '26
33
YoY -15%
ASB
22145
Jun '24Dec '24Jun '25Dec '25May '26
14
YoY -12%
Vehicle Crime
1260
Jun '24Dec '24Jun '25Dec '25May '26
1
YoY +100%
Burglary
740
Jun '24Dec '24Jun '25Dec '25May '26
1
YoY -50%
Criminal damage
1173
Jun '24Dec '24Jun '25Dec '25May '26
9
YoY -18%

4 of 5 key categories improving · vehicle crime rising

92
incidents · May '26

Demographics(LSOA 2021 context)

Ethnicity

Total residents: 1,933
White Brit.91.0%
Other White2.5%
Indian1.7%
White & Asian1.1%
+ other · 3.7%

Religion

Total residents: 1,928
Christian55.9%
No religion35.9%
Not answered5.7%
+ other · 2.5%

Age groups

Total residents: 1,930
50–6424.8%
35–4917.1%
65–7413.4%
25–349.6%
75–847.7%
+ 6 other age groups · 27.3%

Households

Total households: 767
Married or civil partnership couple: Dependent children16.4%
Married or civil partnership couple: No children16.3%
All members 66+14.9%
Any member 66+11.5%
Other9.0%
+ 7 other households · 31.9%

Administrative Information

Swindon
Local Authority
Council Area
Swindon North E14001536
Constituency
E14001536
Wiltshire
Police Force
Scotland-wide
Ward
St Margaret and South Marston
Constituency code
E14001536
EU Electoral Region
South West
Parish
South Marston
International Territorial Level
Swindon

Health & NHS

South West
Health Authority
Serving (pseudo) England (UA/MD/LB)
NHS Scotland
Thames Valley
Cancer Alliance
National
Health Authority
South West
NHS Region
South West
Integrated Care Board
NHS Bath and North East Somerset, Swindon and Wiltshire Integrated Care Board
Primary Care Org
Swindon
Sub ICB Location
NHS Bath and North East Somerset, Swindon and Wiltshire ICB - 92G
Cancer Alliance
Thames Valley

Statistical Areas

LSOA 2021
Super Output Area
Swindon 008A E01015473
E01015473
MSOA 2021
Mid Super Output
Swindon 008 E02003219
E02003219
LSOA 2011
Super Output Area
Swindon 008A E01015473
E01015473
MSOA 2011
Mid Super Output
Swindon 008 E02003219
E02003219
Smaller rural: Nearer to a major town or city
Rural/Urban Classification 2021
2001 Classification
(England/Wales) Village – less sparse: OA falls within the Village category and the wider surrounding area is less sparsely populated 7
2011 Classification
(England/Wales) Urban city and town C1
2021 Classification
Smaller rural: Nearer to a major town or city RSN1

Sun & Time Information

4:15 AM8:10 PM
4:15 AM
Sunrise
8:10 PM
Sunset
10 hours 28 minutes of daylight today
Sunrise (today)
4:15 AM
Sunset (today)
8:10 PM
Daylight duration
10 hours 28 minutes
Time zone
GMT / BST (UTC +0 / +1)

Postcode History

February 2015
First Introduced
Active from
Not terminated
Usage Ended
Terminated
~11 years
Active Duration
2015 -> Present
February 2015 — Introduced
Postcode SN3 4DD introduced by Royal Mail.
2021 — Census Update
2021 Census classification: Smaller rural: Nearer to a major town or city RSN1. LSOA E01015473 and MSOA E02003219 assigned.
Present — Active
Postcode SN3 4DD is currently active and in use.
First introduced
February 2015
Usage ended
Not terminated
Active duration
~11 years
Last updated
2026-02-01
Current status
Live
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