Schools
8 open schools are in scope, including 0 primary and 0 secondary schools. Treffos School is the nearest published school at 1.0 miles.
Counts describe active establishment records. They do not assess admissions, catchments or quality.
LL58 8YR
Seiriol · Isle of Anglesey · Wales
Updated September 2026
Compare this postcodeLocation overview
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- Ward
- Seiriol
- Local authority
- Isle of Anglesey
- Constituency
- Ynys Môn
- Postcode district
- LL58
- Postcode sector
- LL58 8
Nearby postcodes
Complete postcode fields and official codes
- Postcode
- LL58 8YR
- Status
- Current
- Introduced
- 1 January 1980
- Terminated
- Not published
- Postcode area
- LL
- Postcode district
- LL58
- Postcode sector
- LL58 8
- Latitude
- 53.266410
- Longitude
- -4.133646
- British National Grid easting
- 257,796
- British National Grid northing
- 376,502
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
- 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
Schools
Within 3.1 miles of this postcode
- Open schools
- 8
- Primary
- 0
- Secondary
- 0
- 1.6 km
Treffos School
Welsh establishment
- 2.1 km
Ysgol Gynradd Beaumaris
Welsh establishment
- 2.7 km
Ysgol Gynradd Llandegfan
Welsh establishment
Census 2021
Population and age profile
- Postcode residents
- 10
- Postcode households
- 2
- Residents per household
- 5.0
- LL58 8 residents
- 3,516
5 female, 5 male
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%
401 residents
289 residents
579 residents
1,004 residents
1,226 residents
This postcode contained 0.3% 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+
- 0%
- 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
- 66.7%
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
4
within 5 km straight-line
THE HEALTH CENTRE
BEAUMARIS LIBRARY, BEAUMARIS, LL58 8AL
ODS code W94009
2.8 km
GLANFA
ORME ROAD, BANGOR, LL57 1AY
ODS code W94040
4.0 km
BRON DERW MEDICAL CENTRE
GLYNNE ROAD, BANGOR, LL57 1AH
ODS code W94034
4.1 km
BODNANT SURGERY
MENAI AVENUE, BANGOR, LL57 2HH
ODS code W94010
4.4 km
Nearby transport
- 0.8 miles
Mile Lane
BCT · Beaumaris
- 0.8 miles
Allt Goch Lodge
BCT · Beaumaris
- 0.9 miles
Lidiart Parc
BCT · Hen Bentref Llandegfan
- 0.9 miles
Lidiart Parc
BCT · Hen Bentref Llandegfan
- 0.9 miles
B5109
BCT · Llansadwrn