LL54 5DN

Clynnog · Gwynedd · Wales

Updated September 2026

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Location overview

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Post town: Caernarfon
Ward: Clynnog
Local authority: Gwynedd
Constituency: Dwyfor Meirionnydd
Postcode district: LL54
Postcode sector: LL54 5

Nearby postcodes

Nearby postcode distances
Postcode	Distance
LL54 5DF	895 m
LL54 5DG	1.2 km
LL51 9EQ	1.2 km
LL54 6TA	1.8 km
LL54 5DL	1.9 km

Complete postcode fields and official codes

Postcode: LL54 5DN
Status: Current
Introduced: 1 January 1980
Terminated: Not published
Postcode area: LL
Postcode district: LL54
Postcode sector: LL54 5
Latitude: 53.007260
Longitude: -4.318105
British National Grid easting: 244,562
British National Grid northing: 348,062

Statistical and administrative geographies

Country: Wales · W92000004
Region: W99999999
Local authority district: Gwynedd · W06000002
Electoral ward: Clynnog · W05001520
Parish or community: W04000057
Westminster constituency: Dwyfor Meirionnydd · W07000096
Output area: W00000302
Lower layer super output area: Gwynedd 008B · W01000086
Middle layer super output area: Gwynedd 008 · W02000017

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

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

Property

At this postcode

View all property records

2 recorded sales at this postcode

Address	Date	Price
Buarthau, Clynnogfawr, Caernarfon, LL54 5DN	8 November 2023	£385,000
Buarthau, Clynnogfawr, Caernarfon, LL54 5DN	24 July 2006	£220,000

Schools

Within 3.1 miles of this postcode

View all nearby schools

Open schools: 3
Primary: 0
Secondary: 0

Ysgol Brynaerau

Welsh establishment
3.3 km
Ysgol Gynradd Nebo

Welsh establishment
4.1 km
Ysgol Gynradd Llanllyfni

Welsh establishment
4.5 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records

Published events: 7
Months covered: 12
Latest month: June 2026

Most recorded categories in this period

Public order 2
Anti social behaviour 2
Other theft 1
Vehicle crime 1
Violence and sexual offences 1

Census 2021

Population and age profile

Postcode residents: 6
Postcode households: 3
Residents per household: 2.0
LL54 5 residents: 2,930

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%

This postcode contained 0.2% of the sector's usual residents on Census Day. The age profile describes the wider LL54 5 sector, not people in this individual postcode.

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.

Nearby transport

Tai'n-lon

BCT · Tain Lon
1.3 miles
Tai'n-lon

BCT · Tain Lon
1.3 miles
Capel

BCT · Capel Uchaf
1.6 miles
Capel

BCT · Capel Uchaf
1.6 miles
Pant Glas

BCT · Clynnog
1.7 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 £385,000 from 1 recorded sale in LL54 5DN. 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

3 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Brynaerau is the nearest published school at 2.0 miles.

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

Recorded crime

Published police records

7 published events cover 12 months, averaging 0.583 events per published month. The largest recorded category is Public order with 2 events.

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