LL17 0DU

Tremeirchion · Denbighshire · Wales

Updated September 2026

Compare this postcode

Location overview

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Post town
St Asaph
Local authority
Denbighshire
Constituency
Clwyd East
Postcode district
LL17
Postcode sector
LL17 0

Nearby postcodes

Nearby postcode distances
Postcode Distance
LL17 0DT 353 m
LL17 0AW 735 m
LL17 0AN 811 m
LL17 0DY 1.1 km
LL17 0TA 1.2 km
Complete postcode fields and official codes
Postcode
LL17 0DU
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
LL
Postcode district
LL17
Postcode sector
LL17 0
Latitude
53.257918
Longitude
-3.407025
British National Grid easting
306,235
British National Grid northing
374,357

Statistical and administrative geographies

Country
Wales · W92000004
Region
W99999999
Local authority district
Denbighshire · W06000004
Parish or community
W04000178
Westminster constituency
Clwyd East · W07000094
Output area
W00001335
Lower layer super output area
Denbighshire 008D · W01000248
Middle layer super output area
Denbighshire 008 · W02000049

Postcode source versions

Explore LL17

3 recorded sales at this postcode
Address Date Price
Tan-Yr-Onnen, Waen, St Asaph, LL17 0DU 9 September 2022 £1,300,000
Rhyd Y Gwtta, Waen, St. Asaph, LL17 0DU 11 August 2004 £675,000
Tan-Yr-Onnen, Waen, St. Asaph, LL17 0DU 29 November 2002 £365,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
6
Primary
0
Secondary
0
  1. Ysgol Uwchradd Glan Clwyd

    Welsh establishment

    2.1 km
  2. St Asaph V.P. Infants

    Welsh establishment

    2.3 km
  3. Ysgol Tremeirchion

    Welsh establishment

    2.4 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
20
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 11
  • Anti social behaviour 3
  • Other crime 2
  • Burglary 1
  • Other theft 1

Census 2021

Population and age profile

Postcode residents
7

3 female, 4 male

Postcode households
3
Residents per household
2.3
LL17 0 residents
5,411

Age bands in LL17 0

Wider postcode sector
Age 0 to 14
13.2%

769 residents

Age 15 to 24
9.7%

563 residents

Age 25 to 44
19.8%

1,153 residents

Age 45 to 64
29.5%

1,722 residents

Age 65 and over
27.8%

1,621 residents

This postcode contained 0.1% of the sector's usual residents on Census Day. The age profile describes the wider LL17 0 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+
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

1

within 5 km

  • PEN Y BONT SURGERY

    THE ROE, ST. ASAPH, LL17 0LU

    ODS code W91023

    2.9 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 2026-09-05. Contains information from NHS England, licenced under the current version of the Open Government Licence.

Nearby transport

  • Farmers Arms

    BCT · Rhuallt

    0.6 miles
  • Dyffryn Teg

    BCT · Rhuallt

    0.7 miles
  • Smithy Arms

    BCT · Rhuallt

    0.9 miles
  • Holywell Road

    BCT · St Asaph

    0.9 miles
  • Maes Rathbone

    BCT · St Asaph

    1.0 miles

Evidence in context

Property market

The five-year median is £1,300,000 from 1 recorded sale in LL17 0DU. This is a recorded-sale statistic, not a current valuation.

The latest UK House Price Index average for Denbighshire is £198,995 in June 2026, up 3.6% year on year.

Schools

6 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Uwchradd Glan Clwyd is the nearest published school at 1.3 miles.

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

Recorded crime

20 published events cover 12 months, averaging 1.667 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.