SY20 9DN

Aberdyfi · Gwynedd · Wales

Updated September 2026

Compare this postcode

Location overview

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Local authority
Gwynedd
Constituency
Dwyfor Meirionnydd
Postcode district
SY20
Postcode sector
SY20 9

Nearby postcodes

Nearby postcode distances
Postcode Distance
SY20 9DW 57 m
SY20 9DH 76 m
SY20 9JU 119 m
SY20 9DR 137 m
SY20 9DJ 164 m
Complete postcode fields and official codes
Postcode
SY20 9DN
Status
Terminated
Introduced
1 January 1980
Terminated
1 June 1997
Postcode area
SY
Postcode district
SY20
Postcode sector
SY20 9
Latitude
52.584932
Longitude
-3.920235
British National Grid easting
270,000
British National Grid northing
300,300

Statistical and administrative geographies

Country
Wales · W92000004
Region
W99999999
Local authority district
Gwynedd · W06000002
Electoral ward
Aberdyfi · W05001506
Parish or community
W04000093
Westminster constituency
Dwyfor Meirionnydd · W07000096
Output area
W00000235
Lower layer super output area
Gwynedd 017F · W01001933
Middle layer super output area
Gwynedd 017 · W02000026

Postcode source versions

Explore SY20

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
1
Primary
0
Secondary
0
  1. Ysgol Gynradd Pennal

    Welsh establishment

    192 m

Recorded crime

Within 1 mile of this postcode

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

Most recorded categories in this period

  • Other theft 5
  • Violence and sexual offences 5
  • Anti social behaviour 2

Census 2021

Population and age profile

Postcode residents
Not supplied
Postcode households
Not supplied
Residents per household
Not available
SY20 9 residents
2,098

Age bands in SY20 9

Wider postcode sector
Age 0 to 14
12.5%

273 residents

Age 15 to 24
7.4%

162 residents

Age 25 to 44
17.7%

388 residents

Age 45 to 64
35.2%

770 residents

Age 65 and over
27.2%

594 residents

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.

Nearby transport

  • Riverside Inn

    BCT · Pennal

    0.0 miles
  • Riverside Inn

    BCT · Pennal

    0.1 miles
  • Pennal

    BCT · Pennal

    0.1 miles
  • Pennal

    BCT · Pennal

    0.1 miles
  • Cwrt Car Park

    BCT · Cwrt

    0.7 miles

Evidence in context

Schools

1 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Gynradd Pennal is the nearest published school at 192 m.

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

Recorded crime

12 published events cover 12 months, averaging 1 events per published month. The largest recorded category is Other theft with 5 events.

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