Schools
Published establishments
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 9LT
Corris a Mawddwy · Gwynedd · Wales
Updated September 2026
Compare this postcodeLocation overview
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- Ward
- Corris a Mawddwy
- Local authority
- Gwynedd
- Constituency
- Dwyfor Meirionnydd
- Postcode district
- SY20
- Postcode sector
- SY20 9
Nearby postcodes
Complete postcode fields and official codes
- Postcode
- SY20 9LT
- Status
- Current
- Introduced
- 1 January 1980
- Terminated
- Not published
- Postcode area
- SY
- Postcode district
- SY20
- Postcode sector
- SY20 9
- Latitude
- 52.708529
- Longitude
- -3.692039
- British National Grid easting
- 285,782
- British National Grid northing
- 313,660
Statistical and administrative geographies
- Country
- Wales · W92000004
- Region
- W99999999
- Local authority district
- Gwynedd · W06000002
- Electoral ward
- Corris a Mawddwy · W05001521
- Parish or community
- W04000091
- Westminster constituency
- Dwyfor Meirionnydd · W07000096
- Output area
- W00000306
- Lower layer super output area
- Gwynedd 015B · W01000060
- Middle layer super output area
- Gwynedd 015 · W02000024
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.
Schools
Within 3.1 miles of this postcode
- Open schools
- 0
- Primary
- 0
- Secondary
- 0
Recorded crime
Within 1 mile of this postcode
- Published events
- 9
- Months covered
- 12
- Latest month
- June 2026
Most recorded categories in this period
- Violence and sexual offences 4
- Other theft 3
- Burglary 1
- Criminal damage and arson 1
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%
- Age 15 to 24
- 7.4%
- Age 25 to 44
- 17.7%
- Age 45 to 64
- 35.2%
- Age 65 and over
- 27.2%
273 residents
162 residents
388 residents
770 residents
594 residents
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
- 0.3 miles
Minllyn War Memorial
BCT · Minllyn
- 0.7 miles
Swyddfa'r Post Office
BCT · Dinas Mawddwy
- 0.7 miles
Swyddfa'r Post Office
BCT · Dinas Mawddwy
- 0.8 miles
Brigands Inn
BCT · Mallwyd
- 0.9 miles
Brigands Inn
BCT · Mallwyd
Evidence in context
A factual reading of the data in this report's scope. It is not a location score or a recommendation.
Recorded crime
Published police records
9 published events cover 12 months, averaging 0.75 events per published month. The largest recorded category is Violence and sexual offences with 4 events.
The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.