LL54 5AG

Yr Eifl · Gwynedd · Wales

Updated September 2026

Compare this postcode

Location 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

Nearby postcode distances
Postcode Distance
LL54 5AL 177 m
LL54 5AH 197 m
LL54 5AF 213 m
LL54 5AW 217 m
LL54 5AN 223 m
Complete postcode fields and official codes
Postcode
LL54 5AG
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
LL
Postcode district
LL54
Postcode sector
LL54 5
Latitude
52.974010
Longitude
-4.401881
British National Grid easting
238,818
British National Grid northing
344,549

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
W00000402
Lower layer super output area
Gwynedd 011C · W01000078
Middle layer super output area
Gwynedd 011 · W02000020

Postcode source versions

Explore LL54

8 recorded sales at this postcode
Address Date Price
Glanrhyd Bakery, Llanaelhaearn, Caernarfon, LL54 5AG 1 December 2023 £150,000
Penrhiw Roen, Llanaelhaearn, Caernarfon, LL54 5AG 24 August 2022 £305,000
Bryn Meddyg Residential Home, Llanaelhaearn, Caernarfon, LL54 5AG 21 March 2022 £580,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
3
Primary
0
Secondary
0
  1. Ysgol Gynradd Llanaelhaearn

    Welsh establishment

    222 m
  2. Ysgol Yr Eifl

    Welsh establishment

    2.7 km
  3. Ysgol Gynradd Llangybi

    Welsh establishment

    4.9 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
30
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 9
  • Anti social behaviour 8
  • Other theft 5
  • Criminal damage and arson 4
  • Burglary 2

Census 2021

Population and age profile

Postcode residents
63

44 female, 19 male

Postcode households
13
Residents per household
4.8
LL54 5 residents
2,930

Age bands in LL54 5

Wider postcode sector
Age 0 to 14
15.3%

475 residents

Age 15 to 24
9.3%

291 residents

Age 25 to 44
18.6%

578 residents

Age 45 to 64
31.8%

990 residents

Age 65 and over
25%

780 residents

This postcode contained 2.2% 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+
88.5%
Ultrafast, 100 Mbit/s+
88.5%
Ultrafast, 300 Mbit/s+
88.5%
Gigabit-capable
88.5%
Unable to receive decent fixed or FWA broadband
0%
Next Generation Access
88.5%
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

  • Glan Rhyd

    BCT · Llanaelhaearn

    0.1 miles
  • Glan Rhyd

    BCT · Llanaelhaearn

    0.1 miles
  • Bryn Meddyg

    BCT · Llanaelhaearn

    0.1 miles
  • Bryn Meddyg

    BCT · Llanaelhaearn

    0.1 miles
  • Rivals Inn

    BCT · Llanaelhaearn

    0.1 miles

Evidence in context

Property market

The five-year median is £305,000 from 3 recorded sales in LL54 5AG. This is a recorded-sale statistic, not a current valuation.

The latest UK House Price Index average for Gwynedd is £206,665 in June 2026, up 5.7% year on year.

Schools

3 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Gynradd Llanaelhaearn is the nearest published school at 222 m.

Counts describe active establishment records. They do not assess admissions, catchments or quality.

Recorded crime

30 published events cover 12 months, averaging 2.5 events per published month. The largest recorded category is Violence and sexual offences with 9 events.

The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.