SY20 9LG

Aberdyfi · Gwynedd · Wales

Updated September 2026

Compare this postcode

Location overview

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Post town
Machynlleth
Local authority
Gwynedd
Constituency
Dwyfor Meirionnydd
Postcode district
SY20
Postcode sector
SY20 9

Nearby postcodes

Nearby postcode distances
Postcode Distance
SY20 9JY 595 m
SY20 9JT 640 m
SY20 9JJ 641 m
SY20 9JZ 686 m
SY20 9LA 696 m
Complete postcode fields and official codes
Postcode
SY20 9LG
Status
Current
Introduced
1 September 1981
Terminated
Not published
Postcode area
SY
Postcode district
SY20
Postcode sector
SY20 9
Latitude
52.580646
Longitude
-3.927812
British National Grid easting
269,474
British National Grid northing
299,837

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

6 recorded sales at this postcode
Address Date Price
12, Plas Talgarth, Pennal, Machynlleth, SY20 9LG 5 September 2025 £175,000
1, Plas Talgarth, Pennal, Machynlleth, SY20 9LG 10 May 2024 £165,000
12, Plas Talgarth, Pennal, Machynlleth, SY20 9LG 3 April 2023 £166,000

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

    638 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.

Fixed broadband coverage

Ofcom's predicted availability across all residential and commercial premises in this postcode in January 2026.

Superfast, 30 Mbit/s+
100%
Ultrafast, 100 Mbit/s+
100%
Ultrafast, 300 Mbit/s+
100%
Gigabit-capable
100%
Unable to receive decent fixed or FWA broadband
0%
Next Generation Access
100%
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 Spring 2026, version 2026-01-v2. Contains Ofcom data licensed under the Open Government Licence v3.0.

Nearby transport

  • Cwrt Car Park

    BCT · Cwrt

    0.4 miles
  • Cwrt Car Park

    BCT · Cwrt

    0.4 miles
  • Riverside Inn

    BCT · Pennal

    0.4 miles
  • Riverside Inn

    BCT · Pennal

    0.4 miles
  • Pennal

    BCT · Pennal

    0.5 miles

Evidence in context

Property market

The five-year median is £166,000 from 3 recorded sales in SY20 9LG. This is a recorded-sale statistic, not a current valuation.

The latest UK House Price Index average for Gwynedd is £206,665 in June 2026, up 5.7% year on year.

Schools

1 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Gynradd Pennal is the nearest published school at 638 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.