Schools
4 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Abercaseg is the nearest published school at 2.2 miles.
Counts describe active establishment records. They do not assess admissions, catchments or quality.
LL33 0HT
Arllechwedd · Gwynedd · Wales
Updated September 2026
Compare this postcodeLocation overview
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- Ward
- Arllechwedd
- Local authority
- Gwynedd
- Constituency
- Bangor Aberconwy
- Postcode district
- LL33
- Postcode sector
- LL33 0
Nearby postcodes
Complete postcode fields and official codes
- Postcode
- LL33 0HT
- Status
- Terminated
- Introduced
- 1 January 1980
- Terminated
- 1 December 1991
- Postcode area
- LL
- Postcode district
- LL33
- Postcode sector
- LL33 0
- Latitude
- 53.185958
- Longitude
- -4.002364
- British National Grid easting
- 266,300
- British National Grid northing
- 367,300
Statistical and administrative geographies
- Country
- Wales · W92000004
- Region
- W99999999
- Local authority district
- Gwynedd · W06000002
- Electoral ward
- Arllechwedd · W05001510
- Parish or community
- W04000082
- Westminster constituency
- Bangor Aberconwy · W07000083
- Output area
- W00000258
- Lower layer super output area
- Gwynedd 003A · W01000050
- Middle layer super output area
- Gwynedd 003 · W02000012
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 LL33
Schools
Within 3.1 miles of this postcode
- Open schools
- 4
- Primary
- 0
- Secondary
- 0
- 3.5 km
Ysgol Abercaseg
Welsh establishment
- 3.7 km
Ysgol Pen-y-bryn
Welsh establishment
- 4.2 km
Ysgol Dyffryn Ogwen Bethesda
Welsh establishment
Census 2021
Population and age profile
- Postcode residents
- Not supplied
- Postcode households
- Not supplied
- Residents per household
- Not available
- LL33 0 residents
- 3,754
Age bands in LL33 0
Wider postcode sector- Age 0 to 14
- 15.3%
- Age 15 to 24
- 8.7%
- Age 25 to 44
- 20.3%
- Age 45 to 64
- 30.7%
- Age 65 and over
- 25%
571 residents
326 residents
756 residents
1,147 residents
932 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.
GP practices
1
within 5 km straight-line
CANOLFAN FEDDYGOL YR HEN
STATION ROAD, BETHESDA, BANGOR, LL57 3NE
ODS code W94028
4.4 km
Nearby transport
- 1.9 miles
Gwernydd
BCT · Gerlan
- 2.0 miles
Gwernydd
BCT · Gerlan
- 2.0 miles
Post Office
BCT · Gerlan
- 2.0 miles
Swyddfa'r Post Office
BCT · Gerlan
- 2.1 miles
Tan Treflys
BCT · Gerlan