Schools
2 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Yr Eifl is the nearest published school at 113 m.
Counts describe active establishment records. They do not assess admissions, catchments or quality.
LL54 5LT
Yr Eifl · Gwynedd · Wales
Updated September 2026
Compare this postcodeLocation overview
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- Post town
- Caernarfon
- Ward
- Yr Eifl
- Local authority
- Gwynedd
- Constituency
- Dwyfor Meirionnydd
- Postcode district
- LL54
- Postcode sector
- LL54 5
Nearby postcodes
Complete postcode fields and official codes
- Postcode
- LL54 5LT
- Status
- Current
- Introduced
- 1 January 1980
- Terminated
- Not published
- Postcode area
- LL
- Postcode district
- LL54
- Postcode sector
- LL54 5
- Latitude
- 52.991495
- Longitude
- -4.426380
- British National Grid easting
- 237,239
- British National Grid northing
- 346,549
Statistical and administrative geographies
- Country
- Wales · W92000004
- Region
- W99999999
- Local authority district
- Gwynedd · W06000002
- Electoral ward
- Yr Eifl · W05001570
- Parish or community
- W04000066
- Westminster constituency
- Dwyfor Meirionnydd · W07000096
- Output area
- W00000399
- Lower layer super output area
- Gwynedd 011C · W01000078
- Middle layer super output area
- Gwynedd 011 · W02000020
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 LL54
Property
5 recorded
sales at this postcode
| Address | Date | Price |
|---|---|---|
| Bod Athan, Trefor, Caernarfon, LL54 5LT | 22 August 2014 | £120,000 |
| Rhianfa, Trefor, Caernarfon, LL54 5LT | 15 December 2006 | £130,000 |
| Rhianfa, Trefor, Caernarfon, LL54 5LT | 3 February 2004 | £72,500 |
Schools
Within 3.1 miles of this postcode
- Open schools
- 2
- Primary
- 0
- Secondary
- 0
- 113 m
Ysgol Yr Eifl
Welsh establishment
- 2.3 km
Ysgol Gynradd Llanaelhaearn
Welsh establishment
Recorded crime
Within 1 mile of this postcode
- Published events
- 65
- Months covered
- 12
- Latest month
- June 2026
Most recorded categories in this period
- Violence and sexual offences 30
- Anti social behaviour 16
- Burglary 4
- Other theft 4
- Public order 4
Census 2021
Population and age profile
- Postcode residents
- 10
- Postcode households
- 5
- Residents per household
- 2.0
- LL54 5 residents
- 2,930
6 female, 4 male
Age bands in LL54 5
Wider postcode sector- Age 0 to 14
- 15.3%
- Age 15 to 24
- 9.3%
- Age 25 to 44
- 18.6%
- Age 45 to 64
- 31.8%
- Age 65 and over
- 25%
475 residents
291 residents
578 residents
990 residents
780 residents
This postcode contained 0.3% of the sector's usual residents on Census Day. The age profile describes the wider LL54 5 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+
- 100%
- Ultrafast, 100 Mbit/s+
- 80%
- Ultrafast, 300 Mbit/s+
- 80%
- Gigabit-capable
- 80%
- Unable to receive decent fixed or FWA broadband
- 0%
- Next Generation Access
- 100%
- 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
- 0.1 miles
Crossroads
BCT · Trefor
- 0.1 miles
Crossroads
BCT · Trefor
- 0.1 miles
Maes y Neuadd
BCT · Trefor
- 0.1 miles
Capel Gosen
BCT · Trefor
- 0.2 miles
Capel Gosen
BCT · Trefor
Evidence in context
Recorded crime
65 published events cover 12 months, averaging 5.417 events per published month. The largest recorded category is Violence and sexual offences with 30 events.
The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.