LL77 7BB

Cefni · Isle of Anglesey · Wales

Updated September 2026

Compare this postcode

Location overview

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Post town
Llangefni
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 7XA 138 m
LL77 7JD 221 m
LL77 7SE 494 m
LL77 7HP 530 m
LL77 7HW 544 m
Complete postcode fields and official codes
Postcode
LL77 7BB
Status
Current
Introduced
1 September 2023
Terminated
Not published
Postcode area
LL
Postcode district
LL77
Postcode sector
LL77 7
Latitude
53.249275
Longitude
-4.300292
British National Grid easting
246,622
British National Grid northing
374,941

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
W00000055
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

1 recorded sale at this postcode
Address Date Price
Trident Business Park, Unit 14, Bryn Cefni Industrial Park, Llangefni, LL77 7BB 24 September 2021 £333,000

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

    747 m
  2. Ysgol Y Graig

    Welsh establishment

    747 m
  3. Ysgol Gyfun Llangefni

    Welsh establishment

    1.5 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
568
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 241
  • Anti social behaviour 110
  • Shoplifting 65
  • Public order 41
  • Criminal damage and arson 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.

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
0%
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 Spring 2026, version 2026-01-v2. Contains Ofcom data licensed under the Open Government Licence v3.0.

GP practices

2

within 5 km

  • COED Y GLYN SURGERY

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

    ODS code W94029

    1.1 km

  • MEDDYGFA STAR SURGERY

    STAR, GAERWEN, LL60 6AH

    ODS code W94633

    4.7 km

Main GP practices only; branch surgeries are excluded. Distances are straight-line. Contact the practice to check registration, services, opening hours and appointments.

Source acquired on 2026-09-03. Contains information from NHS England, licenced under the current version of the Open Government Licence.

Nearby transport

  • Industrial Estate

    BCT · Llangefni

    0.3 miles
  • Llangefni Industrial Estate

    BCT · Llangefni

    0.3 miles
  • Coleg Menai

    BCT · Llangefni

    0.4 miles
  • Coleg Menai

    BCT · Llangefni

    0.4 miles
  • Pencraig Estate Entrance

    BCT · Llangefni

    0.4 miles

Evidence in context

Property market

The five-year median is £333,000 from 1 recorded sale in LL77 7BB. This is a recorded-sale statistic, not a current valuation.

The latest UK House Price Index average for Isle of Anglesey is £239,726 in June 2026, up 6.7% year on year.

Schools

8 open schools are in scope, including 0 primary and 0 secondary schools. Canolfan Addysg Y Bont is the nearest published school at 747 m.

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

Recorded crime

568 published events cover 12 months, averaging 47.333 events per published month. The largest recorded category is Violence and sexual offences with 241 events.

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