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LL18 6DY

Llanasa and Trelawnyd · Flintshire · Wales

Updated September 2026

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Location overview

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Post town
Rhyl
Ward
Llanasa and Trelawnyd
Local authority
Flintshire
Constituency
Clwyd East
Postcode district
LL18
Postcode sector
LL18 6

Nearby postcodes

Nearby postcode distances
Postcode Distance
LL18 6EA 618 m
LL18 6PE 713 m
LL18 6PD 717 m
LL18 6PG 749 m
LL18 6DT 766 m
Complete postcode fields and official codes
Postcode
LL18 6DY
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
LL
Postcode district
LL18
Postcode sector
LL18 6
Latitude
53.313018
Longitude
-3.357966
British National Grid easting
309,624
British National Grid northing
380,423

Statistical and administrative geographies

Country
Wales · W92000004
Region
W99999999
Local authority district
Flintshire · W06000005
Electoral ward
Llanasa and Trelawnyd · W05001601
Parish or community
W04000209
Westminster constituency
Clwyd East · W07000094
Output area
W00001816
Lower layer super output area
Flintshire 001C · W01000338
Middle layer super output area
Flintshire 001 · W02000058

Postcode source versions

Explore LL18

Property

View all property records
4 recorded sales at this postcode
Address Date Price
Ty Dwr, Mynydd, Trelawnyd, Rhyl, LL18 6DY 19 October 2020 £485,000
Mynydd Siriol, Mynydd, Trelawnyd, Rhyl, LL18 6DY 1 August 2003 £235,000
Ty Dwr, Mynydd, Trelawnyd, Rhyl, LL18 6DY 3 March 2003 £312,500

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
10
Primary
0
Secondary
0

  1. Trelawnyd V.A. School

    Welsh establishment

    1.0 km

  2. Ysgol Gynradd Trelogan

    Welsh establishment

    2.2 km

  3. Ysgol Gronant

    Welsh establishment

    2.8 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
26
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 14
  • Other theft 4
  • Anti social behaviour 3
  • Criminal damage and arson 3
  • Burglary 1

Census 2021

Population and age profile

Postcode residents
15

5 female, 10 male

Postcode households
7
Residents per household
2.1
LL18 6 residents
3,762

Age bands in LL18 6

Wider postcode sector
Age 0 to 14
14.6%

520 residents

Age 15 to 24
9.7%

344 residents

Age 25 to 44
19%

677 residents

Age 45 to 64
30.8%

1,098 residents

Age 65 and over
25.9%

922 residents

This postcode contained 0.4% of the sector's usual residents on Census Day. The age profile describes the wider LL18 6 sector, not people in this individual postcode.

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+
85.7%
Ultrafast, 100 Mbit/s+
85.7%
Ultrafast, 300 Mbit/s+
85.7%
Gigabit-capable
85.7%
Unable to receive decent fixed or FWA broadband
0%
Next Generation Access
85.7%
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.

GP practices

3

within 5 km straight-line

  • PARK HOUSE SURGERY

    26 NANT HALL ROAD, PRESTATYN, LL19 9LN

    ODS code W91028

    3.7 km

  • HEALTHY PRESTATYN

    RHUDDLAN IACH TY NANT, NANT HALL ROAD, PRESTATYN, LL19 9LG

    ODS code W91009

    3.8 km

  • UPCC AT HEALTHY PRESTATYN

    TY NANT, NANT HALL ROAD, PRESTATYN, LL19 9LG

    ODS code W00190

    3.8 km

Nearby transport

  • Trelawnyd War Memorial

    BCT · Trelawnyd

    0.5 miles

  • Trelawnyd War Memorial

    BCT · Trelawnyd

    0.6 miles

  • Trelawnyd Primary School

    BCT · Trelawnyd

    0.7 miles

  • Trelawnyd Primary School

    BCT · Trelawnyd

    0.7 miles

  • Red Lion Inn

    BCT · Llanasa

    0.9 miles

Evidence in context

Schools

10 open schools are in scope, including 0 primary and 0 secondary schools. Trelawnyd V.A. School is the nearest published school at 0.6 miles.

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

Recorded crime

26 published events cover 12 months, averaging 2.167 events per published month. The largest recorded category is Violence and sexual offences with 14 events.

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