Schools
8 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Santes Helen is the nearest published school at 379 m.
Counts describe active establishment records. They do not assess admissions, catchments or quality.
LL55 1AD
Canol Tref Caernarfon · Gwynedd · Wales
Updated September 2026
Compare this postcodeLocation overview
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- Local authority
- Gwynedd
- Constituency
- Dwyfor Meirionnydd
- Postcode district
- LL55
- Postcode sector
- LL55 1
Nearby postcodes
Complete postcode fields and official codes
- Postcode
- LL55 1AD
- Status
- Terminated
- Introduced
- 1 January 1980
- Terminated
- 1 January 1995
- Postcode area
- LL
- Postcode district
- LL55
- Postcode sector
- LL55 1
- Latitude
- 53.139726
- Longitude
- -4.273828
- British National Grid easting
- 248,000
- British National Grid northing
- 362,700
Statistical and administrative geographies
- Country
- Wales · W92000004
- Region
- W99999999
- Local authority district
- Gwynedd · W06000002
- Electoral ward
- Canol Tref Caernarfon · W05001519
- Parish or community
- W04000056
- Westminster constituency
- Dwyfor Meirionnydd · W07000096
- Output area
- W00000300
- Lower layer super output area
- Gwynedd 006A · W01000059
- Middle layer super output area
- Gwynedd 006 · W02000015
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 LL55
Schools
Within 3.1 miles of this postcode
- Open schools
- 8
- Primary
- 0
- Secondary
- 0
- 379 m
Ysgol Santes Helen
Welsh establishment
- 480 m
Ysgol Pendalar
Welsh establishment
- 866 m
Ysgol Yr Hendre
Welsh establishment
Recorded crime
Within 1 mile of this postcode
- Published events
- 1,522
- Months covered
- 12
- Latest month
- June 2026
Most recorded categories in this period
- Violence and sexual offences 586
- Anti social behaviour 233
- Shoplifting 198
- Criminal damage and arson 134
- Public order 103
Census 2021
Population and age profile
- Postcode residents
- Not supplied
- Postcode households
- Not supplied
- Residents per household
- Not available
- LL55 1 residents
- 5,346
Age bands in LL55 1
Wider postcode sector- Age 0 to 14
- 16.5%
- Age 15 to 24
- 10%
- Age 25 to 44
- 23.7%
- Age 45 to 64
- 25.8%
- Age 65 and over
- 24%
894 residents
543 residents
1,282 residents
1,400 residents
1,298 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
3
within 5 km straight-line
MEDDYGFA HAFAN
DOC FICTORIA, CAERNARFON, LL55 1TH
ODS code W94030
543 m
PRIMARY CARE CS
ERYLDON, CAMPBELL ROAD, CAERNARFON, LL55 1HU
ODS code W00209
885 m
THE HEALTH CENTRE
DWYRAN, LLANFAIRPWLLGWYNGYLL, LL61 6YD
ODS code W94015
4.3 km
Nearby transport
- 0.0 miles
Caernarfon Bus Station Stand A
BCS · Caernarfon
- 0.0 miles
Caernarfon Bus Station Stand B
BCS · Caernarfon
- 0.1 miles
Caernarfon Bus Station Stand C
BCS · Caernarfon
- 0.1 miles
Turf Square
BCT · Caernarfon
- 0.1 miles
Eagle Hotel
BCT · Caernarfon
Evidence in context
Recorded crime
1,522 published events cover 12 months, averaging 126.833 events per published month. The largest recorded category is Violence and sexual offences with 586 events.
The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.