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LL65 1UN

Tref Cybi · Isle of Anglesey · Wales

Updated September 2026

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Location overview

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Post town
Holyhead
Ward
Tref Cybi
Local authority
Isle of Anglesey
Constituency
Ynys Môn
Postcode district
LL65
Postcode sector
LL65 1

Nearby postcodes

Nearby postcode distances
Postcode Distance
LL65 1RR 65 m
LL65 1UD 66 m
LL65 1RN 72 m
LL65 1UL 76 m
LL65 1UW 95 m
Complete postcode fields and official codes
Postcode
LL65 1UN
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
LL
Postcode district
LL65
Postcode sector
LL65 1
Latitude
53.310063
Longitude
-4.633510
British National Grid easting
224,643
British National Grid northing
382,469

Statistical and administrative geographies

Country
Wales · W92000004
Region
W99999999
Local authority district
Isle of Anglesey · W06000001
Electoral ward
Tref Cybi · W05001503
Parish or community
W04000870
Westminster constituency
Ynys Môn · W07000112
Output area
W00000077
Lower layer super output area
Isle of Anglesey 003A · W01000016
Middle layer super output area
Isle of Anglesey 003 · W02000003

Postcode source versions

Explore LL65

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

Property

At this postcode

View all property records
13 recorded sales at this postcode
Address Date Price
29, Market Street, Holyhead, LL65 1UN 29 July 2021 £162,500
54 - 56, Market Street, Holyhead, LL65 1UN 25 June 2021 £74,000
61, Market Street, Holyhead, LL65 1UN 28 May 2019 £75,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
5
Primary
0
Secondary
0

  1. Ysgol Santes Fair, St Mary' s R.C. School

    Welsh establishment

    200 m

  2. Ysgol Uwchradd Caergybi

    Welsh establishment

    436 m

  3. Ysgol Llanfawr

    Welsh establishment

    694 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
1,453
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 636
  • Anti social behaviour 252
  • Shoplifting 131
  • Public order 110
  • Criminal damage and arson 104

Census 2021

Population and age profile

Postcode residents
17

6 female, 11 male

Postcode households
11
Residents per household
1.5
LL65 1 residents
5,834

Age bands in LL65 1

Wider postcode sector
Age 0 to 14
18.7%

1,142 residents

Age 15 to 24
11.8%

719 residents

Age 25 to 44
23.5%

1,434 residents

Age 45 to 64
25.9%

1,584 residents

Age 65 and over
20.2%

1,234 residents

This postcode contained 0.3% of the sector's usual residents on Census Day. The age profile describes the wider LL65 1 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+
92%
Ultrafast, 100 Mbit/s+
88%
Ultrafast, 300 Mbit/s+
88%
Gigabit-capable
88%
Unable to receive decent fixed or FWA broadband
0%
Next Generation Access
92%
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

3

within 5 km

  • MEDDYGFA VICTORIA SURGERY

    VICTORIA ROAD, HOLYHEAD, LL65 1UD

    ODS code W94038

    66 m

  • HWB IECHYD CYBI

    UCHELDRE AVENUE, HOLYHEAD, LL65 1RA

    ODS code W94026

    212 m

  • UPCC AT YSBYTY PENRHOS ST

    YSBYTY PENRHOS STANLEY, PENRHOS BEACH ROAD, HOLYHEAD, LL65 2QA

    ODS code W00193

    1.3 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

  • Holyhead Clock

    BCT · Holyhead

    0.1 miles

  • Hill Street Car Park

    BCT · Holyhead

    0.1 miles

  • Summer Hill

    BCT · Holyhead

    0.1 miles

  • Holyhead Railway Station

    BCT · Holyhead

    0.1 miles

  • British Terrace

    BCT · Holyhead

    0.2 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

5 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Santes Fair, St Mary' s R.C. School is the nearest published school at 200 m.

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

Recorded crime

Published police records

1,453 published events cover 12 months, averaging 121.083 events per published month. The largest recorded category is Violence and sexual offences with 636 events.

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