Schools
8 open schools are in scope, including 0 primary and 0 secondary schools. Canolfan Addysg Y Bont is the nearest published school at 291 m.
Counts describe active establishment records. They do not assess admissions, catchments or quality.
LL77 7TW
Cefni · Isle of Anglesey · Wales
Updated September 2026
Compare this postcodeLocation overview
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Nearby postcodes
Complete postcode fields and official codes
- Postcode
- LL77 7TW
- Status
- Current
- Introduced
- 1 January 1980
- Terminated
- Not published
- Postcode area
- LL
- Postcode district
- LL77
- Postcode sector
- LL77 7
- Latitude
- 53.253046
- Longitude
- -4.309879
- British National Grid easting
- 245,996
- British National Grid northing
- 375,381
Statistical and administrative geographies
- Country
- Wales · W92000004
- Region
- W99999999
- Local authority district
- Isle of Anglesey · W06000001
- Electoral ward
- Cefni · W05001497
- Parish or community
- W04000024
- Westminster constituency
- Ynys Môn · W07000112
- Output area
- W00000056
- Lower layer super output area
- Isle of Anglesey 006B · W01000012
- Middle layer super output area
- Isle of Anglesey 006 · W02000006
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 LL77
Property
1 recorded
sale at this postcode
| Address | Date | Price |
|---|---|---|
| Shire Hall, Llangefni, LL77 7TW | 22 August 2019 | £189,900 |
Schools
Within 5 km of this postcode
- Open schools
- 8
- Primary
- 0
- Secondary
- 0
- 291 m
Canolfan Addysg Y Bont
Welsh establishment
- 291 m
Ysgol Y Graig
Welsh establishment
- 773 m
Ysgol Gyfun Llangefni
Welsh establishment
Recorded crime
Within 1 mile of this postcode
- Published events
- 638
- Months covered
- 12
- Latest month
- June 2026
Most recorded categories in this period
- Violence and sexual offences 281
- Anti social behaviour 118
- Shoplifting 66
- Criminal damage and arson 48
- Public order 45
Census 2021
Population and age profile
- Postcode residents
- Not supplied
- Postcode households
- Not supplied
- Residents per household
- Not available
- LL77 7 residents
- 7,199
Age bands in LL77 7
Wider postcode sector- Age 0 to 14
- 19%
- 1,468 residents
- Age 15 to 24
- 10.3%
- 797 residents
- Age 25 to 44
- 22.4%
- 1,730 residents
- Age 45 to 64
- 25.8%
- 1,988 residents
- Age 65 and over
- 22.5%
- 1,736 residents
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+
- 50%
- 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
- 50%
- Decent broadband available from fixed wireless
- 100%
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, coverage at January 2026, version 2026-01-v2. Contains Ofcom data licensed under the Open Government Licence v3.0.
GP practices
1
within 5 km straight-line
COED Y GLYN SURGERY
COED Y GLYN, CHURCH STREET, LLANGEFNI, LL77 7DU
ODS code W94029
392 m
Nearby transport
- 52 m
Ynys Mon County Hall
BCT · Llangefni
- 258 m
Ysgol y Bont
BCT · Llangefni
- 306 m
Ysgol y Bont
BCT · Llangefni
- 372 m
Industrial Estate
BCT · Llangefni
- 391 m
Llangefni Industrial Estate
BCT · Llangefni
Evidence in context
Recorded crime
638 published events cover 12 months, averaging 53 events per published month. The largest recorded category is Violence and sexual offences with 281 events.
The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.