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LL59 5SL

Seiriol · Isle of Anglesey · Wales

Updated September 2026

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Location overview

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Post town
Menai Bridge
Ward
Seiriol
Local authority
Isle of Anglesey
Constituency
Ynys Môn
Postcode district
LL59
Postcode sector
LL59 5

Nearby postcodes

Nearby postcode distances
Postcode Distance
LL59 5SH 34 m
LL59 5SG 246 m
LL59 5SN 295 m
LL59 5ST 295 m
LL59 5SR 919 m
Complete postcode fields and official codes
Postcode
LL59 5SL
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
LL
Postcode district
LL59
Postcode sector
LL59 5
Latitude
53.266195
Longitude
-4.157554
British National Grid easting
256,201
British National Grid northing
376,526

Statistical and administrative geographies

Country
Wales · W92000004
Region
W99999999
Local authority district
Isle of Anglesey · W06000001
Electoral ward
Seiriol · W05001501
Parish or community
W04000869
Westminster constituency
Ynys Môn · W07000112
Output area
W00000062
Lower layer super output area
Isle of Anglesey 005B · W01000013
Middle layer super output area
Isle of Anglesey 005 · W02000005

Postcode source versions

Explore LL59

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

Property

At this postcode

View all property records
20 recorded sales at this postcode
Address Date Price
Bryn Tirion, Llansadwrn, Menai Bridge, LL59 5SL 5 March 2024 £545,000
Fron, Llansadwrn, Menai Bridge, LL59 5SL 11 November 2021 £261,100
Gwenallt, Llansadwrn, Menai Bridge, LL59 5SL 20 October 2020 £250,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
10
Primary
0
Secondary
0

  1. Treffos School

    Welsh establishment

    2 m

  2. Ysgol Gynradd Llandegfan

    Welsh establishment

    2.6 km

  3. Ysgol Gynradd Beaumaris

    Welsh establishment

    3.7 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
11
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 7
  • Anti social behaviour 3
  • Burglary 1

Census 2021

Population and age profile

Postcode residents
65

33 female, 32 male

Postcode households
29
Residents per household
2.2
LL59 5 residents
5,220

Age bands in LL59 5

Wider postcode sector
Age 0 to 14
14.4%

754 residents

Age 15 to 24
9.7%

509 residents

Age 25 to 44
21%

1,096 residents

Age 45 to 64
28.4%

1,486 residents

Age 65 and over
26.4%

1,382 residents

This postcode contained 1.2% of the sector's usual residents on Census Day. The age profile describes the wider LL59 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+
0%
Ultrafast, 300 Mbit/s+
0%
Gigabit-capable
0%
Unable to receive decent fixed or FWA broadband
0%
Next Generation Access
100%
Decent broadband available from fixed wireless
90.3%
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

4

within 5 km

  • THE HEALTH CENTRE

    BEAUMARIS LIBRARY, BEAUMARIS, LL58 8AL

    ODS code W94009

    4.4 km

  • BODNANT SURGERY

    MENAI AVENUE, BANGOR, LL57 2HH

    ODS code W94010

    4.5 km

  • GLANFA

    ORME ROAD, BANGOR, LL57 1AY

    ODS code W94040

    4.6 km

  • BRON DERW MEDICAL CENTRE

    GLYNNE ROAD, BANGOR, LL57 1AH

    ODS code W94034

    4.7 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

  • Llansadwrn Hall

    BCT · Llansadwrn

    0.0 miles

  • Llys yr Ysgol

    BCT · Llansadwrn

    0.0 miles

  • B5109

    BCT · Llansadwrn

    0.1 miles

  • B5109

    BCT · Llansadwrn

    0.1 miles

  • Brynteg

    BCT · Llansadwrn

    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.

Property market

Recorded sales

The five-year median is £403,050 from 2 recorded sales in LL59 5SL. 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

Published establishments

10 open schools are in scope, including 0 primary and 0 secondary schools. Treffos School is the nearest published school at 2 m.

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

Recorded crime

Published police records

11 published events cover 12 months, averaging 0.917 events per published month. The largest recorded category is Violence and sexual offences with 7 events.

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