LL77 7TN

Cefni · Isle of Anglesey · Wales

Updated September 2026

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Location overview

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Ward
Cefni
Local authority
Isle of Anglesey
Constituency
Ynys Môn
Postcode district
LL77
Postcode sector
LL77 7

Nearby postcodes

Nearby postcode distances
Postcode Distance
LL77 7TT 61 m
LL77 7TL 169 m
LL77 7EY 211 m
LL77 7FE 217 m
LL77 7FA 235 m
Complete postcode fields and official codes
Postcode
LL77 7TN
Status
Terminated
Introduced
1 January 1980
Terminated
1 September 2002
Postcode area
LL
Postcode district
LL77
Postcode sector
LL77 7
Latitude
53.247738
Longitude
-4.312351
British National Grid easting
245,812
British National Grid northing
374,796

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

Explore LL77

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
8
Primary
0
Secondary
0
  1. Canolfan Addysg Y Bont

    Welsh establishment

    873 m
  2. Ysgol Y Graig

    Welsh establishment

    873 m
  3. Ysgol Gyfun Llangefni

    Welsh establishment

    1.1 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
573
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 242
  • Anti social behaviour 109
  • Shoplifting 66
  • Criminal damage and arson 42
  • Public order 40

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.

GP practices

1

within 5 km straight-line

  • COED Y GLYN SURGERY

    COED Y GLYN, CHURCH STREET, LLANGEFNI, LL77 7DU

    ODS code W94029

    981 m

Nearby transport

  • Glanhwfa Road

    BCT · Llangefni

    0.1 miles
  • Glanhwfa Road

    BCT · Llangefni

    0.1 miles
  • Llangefni Industrial Estate

    BCT · Llangefni

    0.2 miles
  • Industrial Estate

    BCT · Llangefni

    0.3 miles
  • Ynys Mon County Hall

    BCT · Llangefni

    0.4 miles

Evidence in context

Schools

8 open schools are in scope, including 0 primary and 0 secondary schools. Canolfan Addysg Y Bont is the nearest published school at 873 m.

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

Recorded crime

573 published events cover 12 months, averaging 47.75 events per published month. The largest recorded category is Violence and sexual offences with 242 events.

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