Schools
0 open schools are in scope, including 0 primary and 0 secondary schools.
Counts describe active establishment records. They do not assess admissions, catchments or quality.
SY20 8SD
Glantwymyn · Powys · Wales
Updated September 2026
Compare this postcodeLocation 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
Complete postcode fields and official codes
- Postcode
- SY20 8SD
- Status
- Current
- Introduced
- 1 January 1980
- Terminated
- Not published
- Postcode area
- SY
- Postcode district
- SY20
- Postcode sector
- SY20 8
- Latitude
- 52.570420
- Longitude
- -3.779239
- British National Grid easting
- 279,512
- British National Grid northing
- 298,441
Statistical and administrative geographies
- Country
- Wales · W92000004
- Region
- W99999999
- Local authority district
- Powys · W06000023
- Electoral ward
- Glantwymyn · W05001131
- Parish or community
- W04000258
- Westminster constituency
- Montgomeryshire and Glyndwr · W07000102
- Output area
- W00002353
- 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
Property
2 recorded
sales at this postcode
| Address | Date | Price |
|---|---|---|
| Dolwen, Aberhosan, Machynlleth, SY20 8SD | 1 October 2019 | £300,000 |
| Dolwen, Aberhosan, Machynlleth, SY20 8SD | 30 August 2001 | £120,000 |
Schools
Within 3.1 miles of this postcode
- Open schools
- 0
- Primary
- 0
- Secondary
- 0
Census 2021
Population and age profile
- Postcode residents
- 12
- Postcode households
- 7
- Residents per household
- 1.7
- SY20 8 residents
- 4,541
4 female, 8 male
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%
635 residents
394 residents
939 residents
1,357 residents
1,157 residents
This postcode contained 0.3% of the sector's usual residents on Census Day. The age profile describes the wider SY20 8 sector, not people in this individual postcode.
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+
- 12.5%
- Ultrafast, 100 Mbit/s+
- 12.5%
- Ultrafast, 300 Mbit/s+
- 12.5%
- Gigabit-capable
- 12.5%
- Unable to receive decent fixed or FWA broadband
- 0%
- Next Generation Access
- 12.5%
- 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
- 0.0 miles
Abercarrog
BCT · Melinbyrhedyn
- 2.0 miles
Fronheulog Terrace
BCT · Penegoes
- 2.0 miles
Fronheulog Terrace
BCT · Penegoes
- 2.3 miles
Tal-y-Wern
BCT · Tal-y-Wern
- 2.8 miles
Pont Abergwydol
BCT · Abercegir