SY20 8LL

Glantwymyn · Powys · Wales

Updated September 2026

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Location overview

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Post town: Machynlleth
Ward: Glantwymyn
Local authority: Powys
Constituency: Montgomeryshire and Glyndwr
Postcode district: SY20
Postcode sector: SY20 8

Nearby postcodes

Nearby postcode distances
Postcode	Distance
SY20 8LR	710 m
SY20 8LH	794 m
SY20 8LQ	822 m
SY20 8LJ	869 m
SY20 8LZ	895 m

Complete postcode fields and official codes

Postcode: SY20 8LL
Status: Current
Introduced: 1 January 1980
Terminated: Not published
Postcode area: SY
Postcode district: SY20
Postcode sector: SY20 8
Latitude: 52.610827
Longitude: -3.694517
British National Grid easting: 285,359
British National Grid northing: 302,797

Statistical and administrative geographies

Country: Wales · W92000004
Region: W99999999
Local authority district: Powys · W06000023
Electoral ward: Glantwymyn · W05001131
Parish or community: W04000275
Westminster constituency: Montgomeryshire and Glyndwr · W07000102
Output area: W00002356
Lower layer super output area: Powys 004A · W01000442
Middle layer super output area: Powys 004 · W02000100

Postcode source versions

Ordnance Survey: Code-Point Open Version 2026-08 · Current postcode units in Great Britain · OGL-3.0
Office for National Statistics: ONS Postcode Directory Version 2026-08 · United Kingdom; Northern Ireland excluded pending rights review; Crown Dependencies outside product scope · OGL-3.0 with third-party rights
Ordnance Survey: Boundary-Line Version 2026-05 · Local-authority boundaries in Great Britain · OS OpenData Licence

Explore SY20

Use the wider postcode district to compare the same evidence across more locations.

Property

At this postcode

View all property records

1 recorded sale at this postcode

Address	Date	Price
Cwm Bychan Bach, Commins Coch, Machynlleth, SY20 8LL	13 May 2021	£325,000

Schools

Within 3.1 miles of this postcode

View all nearby schools

Open schools: 1
Primary: 0
Secondary: 0

Ysgol Glantwymyn

Welsh establishment
3.4 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records

Published events: 1
Months covered: 12
Latest month: June 2026

Most recorded categories in this period

Criminal damage and arson 1

Census 2021

Population and age profile

Postcode residents: 11
Postcode households: 4
Residents per household: 2.8
SY20 8 residents: 4,541

Age bands in SY20 8

Wider postcode sector

Age 0 to 14: 14.2%
Age 15 to 24: 8.8%
Age 25 to 44: 21%
Age 45 to 64: 30.3%
Age 65 and over: 25.8%

This postcode contained 0.2% of the sector's usual residents on Census Day. The age profile describes the wider SY20 8 sector, not people in this individual postcode.

How to read these estimates

The standard postcode headcounts and the commissioned age table are separate ONS outputs. Small counts are disclosure-controlled, and totals can differ slightly between tables. Coverage is England and Wales only.

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%

Coverage is a modelled postcode-level snapshot, not a speed test or a guarantee for a named property. Check availability with providers before making a decision. Ofcom does not publish postcode-level full-fibre coverage in this release for commercial-confidentiality reasons.

Source: Ofcom Connected Nations Spring 2026, version 2026-01-v2. Contains Ofcom data licensed under the Open Government Licence v3.0.

Nearby transport

Commins Coch Terrace

BCT · Commins Coch
0.5 miles
Commins Coch Terrace

BCT · Commins Coch
0.5 miles
Cemmaes Road

BCT · Glantwymyn
2.1 miles
Glantwymyn

BCT · Glantwymyn
2.1 miles
Tal-y-Wern

BCT · Tal-y-Wern
2.2 miles

Evidence in context

A factual reading of the data in this report's scope. It is not a location score or a recommendation.

Schools

Published establishments

1 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Glantwymyn is the nearest published school at 2.1 miles.

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

Recorded crime

Published police records

1 published events cover 12 months, averaging 0.083 events per published month. The largest recorded category is Criminal damage and arson with 1 events.

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