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LL65 1NB

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 1NE 50 m
LL65 1NG 57 m
LL65 1ND 78 m
LL65 1RW 78 m
LL65 1NH 80 m
Complete postcode fields and official codes
Postcode
LL65 1NB
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
LL
Postcode district
LL65
Postcode sector
LL65 1
Latitude
53.311581
Longitude
-4.634370
British National Grid easting
224,592
British National Grid northing
382,640

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
W00000076
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

Property

View all property records
25 recorded sales at this postcode
Address Date Price
2, Trearddur Square, Holyhead, LL65 1NB 4 August 2025 £90,000
3, Trearddur Square, Holyhead, LL65 1NB 19 April 2024 £85,000
Garage, Trearddur Square, Holyhead, LL65 1NB 16 November 2023 £10,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
5
Primary
0
Secondary
0

  1. Ysgol Uwchradd Caergybi

    Welsh establishment

    355 m

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

    Welsh establishment

    360 m

  3. Ysgol Llanfawr

    Welsh establishment

    821 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
1,426
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 633
  • Anti social behaviour 246
  • Shoplifting 118
  • Public order 108
  • Criminal damage and arson 103

Census 2021

Population and age profile

Postcode residents
24

16 female, 8 male

Postcode households
15
Residents per household
1.6
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 0.4% of the sector's usual residents on Census Day. The age profile describes the wider LL65 1 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+
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%

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.

GP practices

3

within 5 km

  • MEDDYGFA VICTORIA SURGERY

    VICTORIA ROAD, HOLYHEAD, LL65 1UD

    ODS code W94038

    243 m

  • HWB IECHYD CYBI

    UCHELDRE AVENUE, HOLYHEAD, LL65 1RA

    ODS code W94026

    247 m

  • UPCC AT YSBYTY PENRHOS ST

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

    ODS code W00193

    1.5 km

Main GP practices only; branch surgeries are excluded. Distances are straight-line. Contact the practice to check registration, services, opening hours and appointments.

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

Nearby transport

  • Summer Hill

    BCT · Holyhead

    0.0 miles

  • Hill Street Car Park

    BCT · Holyhead

    0.1 miles

  • British Terrace

    BCT · Holyhead

    0.1 miles

  • Holyhead Clock

    BCT · Holyhead

    0.2 miles

  • Ysgol Gynradd Caergybi

    BCT · Holyhead

    0.2 miles

Evidence in context

Property market

The five-year median is £85,000 from 7 recorded sales in LL65 1NB. This is a recorded-sale statistic, not a current valuation.

The latest UK House Price Index average for Isle of Anglesey is £239,726 in June 2026, up 6.7% year on year.

Schools

5 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Uwchradd Caergybi is the nearest published school at 355 m.

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

Recorded crime

1,426 published events cover 12 months, averaging 118.833 events per published month. The largest recorded category is Violence and sexual offences with 633 events.

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