SY20 9SB

POSTCODE

SY20 9SB is a postcode in Corris a Mawddwy.

Small user postcodeQuality indicator 1 (highest positional precision)Updated 2026-08-01
Coordinates
52.6762, -3.8282
OS grid SH764102 (276,490, 310,288)
IMD Wales
4/10
#626
Crime · Aug '26
Around average · 8.0 per 1k
Plus Code
9C4RM5GC+FP
Most deprived 30–40%
IMD Wales
Around average · 8.0 per 1k
Crime · Aug '26
Wales
Region
Most deprived 30–40%
IMD Wales
Around average · 8.0 per 1k
Crime · Aug '26
Wales
Region

Deprivation Index (IMD)

IMD Wales — Index of Multiple Deprivation
Measures deprivation across income, employment, health, education, access to services, housing, and community safety.
626
Rank out of 1,917 LSOAs in Wales
1 - Most deprived10 - Least deprived
Rank 626 out of 1,917 lower layer super output areas in Wales. N/A for England, Scotland and Northern Ireland as this postcode is in Wales.

Property sales (Land Registry)

England & Wales
See sold prices in SY20

Police Recorded Crime near SY20 9SB

England & Wales
Crime trends · near SY20 9SB

Counts are for Corris a Mawddwy electoral ward, not a 1-mile police.uk street search around this postcode.

data.police.uk · YoY vs same month last year · per 1,000 residents (Census 2021)Sep '24 – Aug '26
Key categories · YoY
Violent Crime
3
YoY —
320
Sep '24Mar '25Sep '25Mar '26Aug '26
ASB
4
YoY —
420
Sep '24Mar '25Sep '25Mar '26Aug '26
Vehicle Crime
2
YoY —
210
Sep '24Mar '25Sep '25Mar '26Aug '26
Burglary
0
YoY —
000
Sep '24Mar '25Sep '25Mar '26Aug '26
Criminal damage
0
YoY —
000
Sep '24Mar '25Sep '25Mar '26Aug '26

0 of 5 key categories improving

10
incidents · Aug '26

Demographics (LSOA 2021 context)

Ethnicity

Total residents: 1,254
White Brit.95.4%
Other White2.7%
+ other · 1.9%

Religion

Total residents: 1,254
No religion47.9%
Christian40.6%
Not answered8.0%
Other religion3.1%
+ other · 0.4%

Age groups

Total residents: 1,256
50–6430.2%
65–7416.3%
35–4915.8%
25–349.1%
75–846.5%
+ 6 other age groups · 22.1%

Households

Total households: 599
One person: aged 66+18.0%
One person: other17.5%
Married or civil partnership couple: No children14.9%
Single family household, all members 66+10.0%
Married or civil partnership couple: Dependent children9.3%
+ 8 other households · 30.2%

Coordinates & Location for SY20 9SB

Wales
Country
Gwynedd
Local Authority
Corris a Mawddwy
Ward
Tywyn and Dolgellau
Travel to Work
TTWA
Postcode
SY20 9SB
Coordinates
52.6762, -3.8282
Grid reference
SH764102
Easting
276,490
Northing
310,288
Region
Wales
Plus Code
9C4RM5GC+FP
User Type
Small user postcode
Grid Quality
Quality indicator 1 (highest positional precision)
Built Up Area
Unknown
Travel to Work
Tywyn and Dolgellau
ITL Region
Gwynedd
National Park
Non-National Park

Administrative Information

Gwynedd
Local Authority
Council Area
Dwyfor Meirionnydd W07000096
Constituency
W07000096
North Wales
Police Force
Wales
Ward
Corris a Mawddwy
Constituency code
W07000096
EU Electoral Region
Wales
Parish
Corris
International Territorial Level
Gwynedd

Health & NHS

Betsi Cadwaladr University Health Board
Health Authority
Serving (pseudo) Wales
NHS Wales
Wales
Cancer Alliance
National
Health Authority
Betsi Cadwaladr University Health Board
NHS Region
Wales
Integrated Care Board
Wales
Primary Care Org
Betsi Cadwaladr University Health Board
Sub ICB Location
Betsi Cadwaladr University
Cancer Alliance
Wales

Statistical Areas

LSOA 2021
Super Output Area
Gwynedd 015B W01000060
W01000060
MSOA 2021
Mid Super Output
Gwynedd 015 W02000024
W02000024
LSOA 2011
Super Output Area
Gwynedd 015B W01000060
W01000060
MSOA 2011
Mid Super Output
Gwynedd 015 W02000024
W02000024
Smaller rural: Further from a major town or city
Rural/Urban Classification 2021
2001 Classification
(England/Wales) Hamlet and Isolated Dwelling – sparse: OA falls within the Hamlet and Isolated Dwelling category and the wider surrounding area is sparsely populated 4
2011 Classification
(England/Wales) Rural village in a sparse setting E2
2021 Classification
Smaller rural: Further from a major town or city RSF1

Sun & Time Information

7:35 AM6:28 PM
7:35 AM
Sunrise
6:28 PM
Sunset
10 hours 53 minutes of daylight today
Sunrise (today)
7:35 AM
Sunset (today)
6:28 PM
Daylight duration
10 hours 53 minutes
Time zone
GMT / BST (UTC +0 / +1)

Postcode History

January 1980
First Introduced
Active from
Not terminated
Usage Ended
Terminated
~46 years
Active Duration
1980 -> Present
January 1980 — Introduced
Postcode SY20 9SB introduced by Royal Mail.
2001 — Census Classification
2001 Rural/Urban Classification: (England/Wales) Hamlet and Isolated Dwelling – sparse: OA falls within the Hamlet and Isolated Dwelling category and the wider surrounding area is sparsely populated 4
2011 — Reclassified
2011 Rural/Urban Classification: (England/Wales) Rural village in a sparse setting E2.
2021 — Census Update
2021 Census classification: Smaller rural: Further from a major town or city RSF1. LSOA W01000060 and MSOA W02000024 assigned.
2025 — Indices of Deprivation
IMD Wales rank: 626
Present — Active
Postcode SY20 9SB is currently active and in use.
First introduced
January 1980
Usage ended
Not terminated
Active duration
~46 years
Last updated
2026-08-01
Current status
Live

School applications

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Explore the full Gwynedd
See local data, transport links, deprivation trends and more for the broader area — all in one place.