LL77 7AU

Cefni · Isle of Anglesey · Wales

Updated September 2026

Compare this postcode

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 7AJ 340 m
LL77 7AX 360 m
LL77 7YR 556 m
LL77 7BX 581 m
LL77 7BJ 659 m
Complete postcode fields and official codes
Postcode
LL77 7AU
Status
Terminated
Introduced
1 August 1992
Terminated
1 May 1994
Postcode area
LL
Postcode district
LL77
Postcode sector
LL77 7
Latitude
53.255357
Longitude
-4.338429
British National Grid easting
244,100
British National Grid northing
375,700

Statistical and administrative geographies

Country
Wales · W92000004
Region
W99999999
Local authority district
Isle of Anglesey · W06000001
Electoral ward
Cefni · W05001497
Parish or community
W04000026
Westminster constituency
Ynys Môn · W07000112
Output area
W00000025
Lower layer super output area
Isle of Anglesey 006A · W01000006
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
7
Primary
0
Secondary
0
  1. Ysgol Gyfun Llangefni

    Welsh establishment

    1.2 km
  2. Ysgol Corn Hir

    Welsh establishment

    1.2 km
  3. Ysgol Gymuned Bodffordd

    Welsh establishment

    1.8 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
114
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 64
  • Anti social behaviour 21
  • Criminal damage and arson 11
  • Public order 5
  • Burglary 4

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

2

within 5 km straight-line

  • COED Y GLYN SURGERY

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

    ODS code W94029

    1.8 km

  • THE SURGERY

    GWALCHMAI, HOLYHEAD, LL65 4RS

    ODS code W94043

    4.8 km

Nearby transport

  • Tan Rallt

    BCT · Rhostrehwfa

    0.3 miles
  • Tan Rallt

    BCT · Rhostrehwfa

    0.3 miles
  • Cae Mawr

    BCT · Rhostrehwfa

    0.4 miles
  • Cae Mawr

    BCT · Llangefni

    0.4 miles
  • Lon Cae Garw

    BCT · Llangefni

    0.4 miles

Evidence in context

Schools

7 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Gyfun Llangefni is the nearest published school at 0.8 miles.

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

Recorded crime

114 published events cover 12 months, averaging 9.5 events per published month. The largest recorded category is Violence and sexual offences with 64 events.

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