LL58 8UP

Seiriol · Isle of Anglesey · Wales

Updated September 2026

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Location overview

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Post town: Beaumaris
Ward: Seiriol
Local authority: Isle of Anglesey
Constituency: Ynys Môn
Postcode district: LL58
Postcode sector: LL58 8

Nearby postcodes

Nearby postcode distances
Postcode	Distance
LL58 8UR	276 m
LL58 8UW	291 m
LL58 8UT	406 m
LL58 8UN	425 m
LL58 8UU	515 m

Complete postcode fields and official codes

Postcode: LL58 8UP
Status: Current
Introduced: 1 January 1980
Terminated: Not published
Postcode area: LL
Postcode district: LL58
Postcode sector: LL58 8
Latitude: 53.301906
Longitude: -4.142574
British National Grid easting: 257,319
British National Grid northing: 380,468

Statistical and administrative geographies

Country: Wales · W92000004
Region: W99999999
Local authority district: Isle of Anglesey · W06000001
Electoral ward: Seiriol · W05001501
Parish or community: W04000013
Westminster constituency: Ynys Môn · W07000112
Output area: W00000175
Lower layer super output area: Isle of Anglesey 005E · W01000035
Middle layer super output area: Isle of Anglesey 005 · W02000005

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 LL58

Property

View all property records

3 recorded sales at this postcode

Address	Date	Price
Tanygryddyn, Llanddona, Beaumaris, LL58 8UP	22 January 2021	£395,000
Ty Pwtt, Llanddona, Beaumaris, LL58 8UP	20 February 2018	£150,000
Tanygryddyn, Llanddona, Beaumaris, LL58 8UP	8 November 2002	£200,000

Schools

Within 3.1 miles of this postcode

View all nearby schools

Open schools: 3
Primary: 0
Secondary: 0

Ysgol Gynradd Llangoed

Welsh establishment
3.8 km
Treffos School

Welsh establishment
4.1 km
Ysgol Gynradd Beaumaris

Welsh establishment
4.9 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records

Published events: 30
Months covered: 12
Latest month: June 2026

Most recorded categories in this period

Violence and sexual offences 16
Anti social behaviour 5
Criminal damage and arson 4
Public order 2
Other crime 1

Census 2021

Population and age profile

Postcode residents: 8
Postcode households: 2
Residents per household: 4.0
LL58 8 residents: 3,516

Age bands in LL58 8

Wider postcode sector

Age 0 to 14: 11.5%
Age 15 to 24: 8.3%
Age 25 to 44: 16.5%
Age 45 to 64: 28.7%
Age 65 and over: 35%

This postcode contained 0.2% of the sector's usual residents on Census Day. The age profile describes the wider LL58 8 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.

Nearby transport

Post Office

BCT · Llanddona
0.5 miles
Ponc-y-Felin

BCT · Llanddona
0.6 miles
Ponc-y-Felin

BCT · Llanddona
0.6 miles
Llanddona Transmitting Station

BCT · Llanddona
0.7 miles
Terminus

BCT · Llanddona
0.7 miles

Evidence in context

Schools

3 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Gynradd Llangoed is the nearest published school at 2.4 miles.

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

Recorded crime

30 published events cover 12 months, averaging 2.5 events per published month. The largest recorded category is Violence and sexual offences with 16 events.

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