LL54 5SR

Y Groeslon · Gwynedd · Wales

Updated September 2026

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Location overview

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

Nearby postcodes

Nearby postcode distances
Postcode Distance
LL54 5SS 231 m
LL54 5TF 401 m
LL54 5TH 414 m
LL54 5LL 473 m
LL54 5SW 545 m
Complete postcode fields and official codes
Postcode
LL54 5SR
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
LL
Postcode district
LL54
Postcode sector
LL54 5
Latitude
53.082327
Longitude
-4.306086
British National Grid easting
245,637
British National Grid northing
356,385

Statistical and administrative geographies

Country
Wales · W92000004
Region
W99999999
Local authority district
Gwynedd · W06000002
Parish or community
W04000072
Westminster constituency
Dwyfor Meirionnydd · W07000096
Output area
W00000378
Lower layer super output area
Gwynedd 008A · W01000073
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
1 recorded sale at this postcode
Address Date Price
Tan-Y-Groeslon, Llandwrog, Caernarfon, LL54 5SR 2 August 2000 £85,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
7
Primary
0
Secondary
0
  1. Ysgol Gynradd Llandwrog

    Welsh establishment

    585 m
  2. Ysgol Bro Lleu

    Welsh establishment

    3.5 km
  3. Ysgol Gynradd Talysarn

    Welsh establishment

    3.5 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
14
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Anti social behaviour 4
  • Other theft 3
  • Criminal damage and arson 2
  • Drugs 1
  • Burglary 1

Census 2021

Population and age profile

Postcode residents
7

4 female, 3 male

Postcode households
3
Residents per household
2.3
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 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+
75%
Ultrafast, 100 Mbit/s+
75%
Ultrafast, 300 Mbit/s+
75%
Gigabit-capable
75%
Unable to receive decent fixed or FWA broadband
0%
Next Generation Access
75%
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

    3.5 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

  • Groeslon Ffrwd

    BCT · Llandwrog

    0.1 miles
  • Groeslon Ffrwd

    BCT · Llandwrog

    0.1 miles
  • Tai Elen Glyn

    BCT · Llandwrog

    0.2 miles
  • Tai Elen Glyn

    BCT · Llandwrog

    0.3 miles
  • St Twrog`s Church

    BCT · Llandwrog

    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.

Schools

Published establishments

7 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Gynradd Llandwrog is the nearest published school at 585 m.

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

Recorded crime

Published police records

14 published events cover 12 months, averaging 1.167 events per published month. The largest recorded category is Anti social behaviour with 4 events.

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