LL66 0BH

Twrcelyn · Isle of Anglesey · Wales

Updated September 2026

Compare this postcode

Location overview

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Local authority
Isle of Anglesey
Constituency
Ynys Môn
Postcode district
LL66
Postcode sector
LL66 0

Nearby postcodes

Nearby postcode distances
Postcode Distance
LL66 0BG 341 m
LL68 0TA 862 m
LL66 0BP 940 m
LL66 0AE 968 m
LL66 0AD 1.0 km
Complete postcode fields and official codes
Postcode
LL66 0BH
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
LL
Postcode district
LL66
Postcode sector
LL66 0
Latitude
53.368388
Longitude
-4.412565
British National Grid easting
239,580
British National Grid northing
388,436

Statistical and administrative geographies

Country
Wales · W92000004
Region
W99999999
Local authority district
Isle of Anglesey · W06000001
Electoral ward
Twrcelyn · W05001504
Parish or community
W04000035
Westminster constituency
Ynys Môn · W07000112
Output area
W00000105
Lower layer super output area
Isle of Anglesey 002C · W01000021
Middle layer super output area
Isle of Anglesey 002 · W02000002

Postcode source versions

Explore LL66

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
3
Primary
0
Secondary
0
  1. Ysgol Gymuned Garreglefn

    Welsh establishment

    1.4 km
  2. Ysgol Gymuned Llanfechell

    Welsh establishment

    4.0 km
  3. Ysgol Gymuned Llannerch-y-medd

    Welsh establishment

    4.8 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
24
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 11
  • Other theft 4
  • Public order 3
  • Anti social behaviour 3
  • Criminal damage and arson 2

Census 2021

Population and age profile

Postcode residents
Not supplied
Postcode households
Not supplied
Residents per household
Not available
LL66 0 residents
236

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
0%

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.

Nearby transport

  • Sportsmans Lodge

    BCT · Rhosgoch

    0.6 miles
  • Sportsmans Lodge

    BCT · Rhosgoch

    0.6 miles
  • Pentreheulyn Turn

    BCT · Carreglefn

    0.9 miles
  • Pentreheulyn Turn

    BCT · Carreglefn

    0.9 miles
  • Post Office

    BCT · Carreglefn

    0.9 miles

Evidence in context

Schools

3 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Gymuned Garreglefn is the nearest published school at 0.9 miles.

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

Recorded crime

24 published events cover 12 months, averaging 2 events per published month. The largest recorded category is Violence and sexual offences with 11 events.

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