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LL54 6AN

Llanllyfni · Gwynedd · Wales

Updated September 2026

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Location overview

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Post town
Caernarfon
Ward
Llanllyfni
Local authority
Gwynedd
Constituency
Dwyfor Meirionnydd
Postcode district
LL54
Postcode sector
LL54 6

Nearby postcodes

Nearby postcode distances
Postcode Distance
LL54 6AL 41 m
LL54 6AH 59 m
LL54 6AE 79 m
LL54 6AF 82 m
LL54 6AW 87 m
Complete postcode fields and official codes
Postcode
LL54 6AN
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
LL
Postcode district
LL54
Postcode sector
LL54 6
Latitude
53.055059
Longitude
-4.251549
British National Grid easting
249,194
British National Grid northing
353,236

Statistical and administrative geographies

Country
Wales · W92000004
Region
W99999999
Local authority district
Gwynedd · W06000002
Electoral ward
Llanllyfni · W05001546
Parish or community
W04000083
Westminster constituency
Dwyfor Meirionnydd · W07000096
Output area
W00000580
Lower layer super output area
Gwynedd 008D · W01000112
Middle layer super output area
Gwynedd 008 · W02000017

Postcode source versions

Explore LL54

Use the wider postcode district to compare the same evidence across more locations.

Property

At this postcode

View all property records
5 recorded sales at this postcode
Address Date Price
Eldon Cottage, Talysarn, Caernarfon, LL54 6AN 29 September 2023 £140,000
Eldon Cottage, Talysarn, Caernarfon, LL54 6AN 6 March 2017 £110,000
Eldon Cottage, Talysarn, Caernarfon, LL54 6AN 31 July 2008 £110,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
9
Primary
0
Secondary
0

  1. Ysgol Dyffryn Nantlle

    Welsh establishment

    1.8 km

  2. Ysgol Gynradd Talysarn

    Welsh establishment

    1.8 km

  3. Ysgol Bro Lleu

    Welsh establishment

    2.0 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
76
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 25
  • Criminal damage and arson 23
  • Anti social behaviour 15
  • Public order 4
  • Burglary 3

Census 2021

Population and age profile

Postcode residents
11

6 female, 5 male

Postcode households
4
Residents per household
2.8
LL54 6 residents
4,195

Age bands in LL54 6

Wider postcode sector
Age 0 to 14
18.7%

765 residents

Age 15 to 24
10.7%

437 residents

Age 25 to 44
21.7%

890 residents

Age 45 to 64
27.5%

1,127 residents

Age 65 and over
21.4%

878 residents

This postcode contained 0.3% of the sector's usual residents on Census Day. The age profile describes the wider LL54 6 sector, not people in this individual postcode.

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.

NHS ODS

GP practices

1

within 5 km

  • CORWEN HOUSE

    MARKET PLACE, PENYGROES, CAERNARFON, LL54 6NN

    ODS code W94609

    2.4 km

Organisation records, not service availability
These are records marked active in NHS England's Organisation Data Service for England and Wales. Branch surgeries, pharmacies, dentists and hospitals are not included. They do not confirm patient registration, services, opening hours, appointments or care quality. Distances are straight-line from the postcode point.

Source acquired on 2026-09-03. Contains information from NHS England, licenced under the current version of the Open Government Licence.

Nearby transport

  • Cavour Street

    BCT · Talysarn

    0.1 miles

  • Bryncelyn Hall

    BCT · Talysarn

    0.2 miles

  • Swyddfa'r Post Office

    BCT · Talysarn

    0.3 miles

  • Swyddfa'r Post Office

    BCT · Talysarn

    0.3 miles

  • Bro Silyn

    BCT · Talysarn

    0.4 miles

Evidence in context

A factual reading of the data in this report's scope. It is not a location score or a recommendation.

Property market

Recorded sales

The five-year median is £140,000 from 1 recorded sale in LL54 6AN. 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

Published establishments

9 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Dyffryn Nantlle is the nearest published school at 1.1 miles.

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

Recorded crime

Published police records

76 published events cover 12 months, averaging 6.333 events per published month. The largest recorded category is Violence and sexual offences with 25 events.

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