Postcode district

LL17 Postcode District

LL17 is the Postcode District for St. Asaph in Clwyd

The LL17 postcode district is located in the LL Llandudno postal area, LL17 has a population of 5,411 residents according to the 2021 England and Wales Census..

The area of the district is 20.21 square miles (52.35 square kilometres or 12,935.39 acres).

A wide range of spatial data has been analysed to present this overview of LL17. If you would like anything added, please contact us.

Sectors 1
Streets indexed 116
Geographical postcodes 237
Councils crossed 2

Map of LL17

Explore the postcode district using the interactive map.

Larger circles indicate higher recorded crime totals.

On this page

District overview

The primary settlement in the LL17 postcode district is St. Asaph in the county of Clwyd in Wales. Other significant settlements in this postcode district include Cefn, Cefn Meiriadog, Rhuallt, St. Asaph Business Park, Tremeirchion, and Waen. The most significant post town in this district is St. Asaph.

There are 1 postcode sectors within the district. Here's a breakdown:
The sector LL17 0, covers St. Asaph in Clwyd.

The post town for this district is ST. ASAPH.

When it comes to local government, postal geography often disregards political borders. However, this district intersects the following councils: the district mostly encompasses the Sir Ddinbych - Denbighshire (226 postal codes), and finally, the Conwy - Conwy area (3 postal codes).

Nearest towns

To help place the district geographically, here are nearby towns and their approximate direction from the district centre.

Town Distance (miles) Direction
Rhuddlan 3.39 NNW
Denbigh 4.64 S
Caerwys 4.72 E
Rhyl 5.69 NNW
Prestatyn 5.87 N
Abergele 7.11 WNW
Holywell 8.42 E
Ruthin 10.47 SSE
Flint 11.80 E
Colwyn Bay 12.14 WNW
Mold 12.91 ESE
West Kirby 12.97 NE
Hoylake 14.27 NE
Heswall 14.47 ENE
Neston 15.04 E
Buckley 15.22 ESE
Connah's Quay 15.35 E
Shotton 16.19 ESE
Conwy 17.07 W

Postcode information

Total geographical postcodes: 237

Location Post Town Sector Number of postcodes
ST. ASAPH ST. ASAPH LL17 0 162
Tremeirchion ST. ASAPH LL17 0 16
Rhuallt ST. ASAPH LL17 0 13
ST. ASAPH ST. ASAPH LL17 0 10
Waen ST. ASAPH LL17 0 7
Cefn ST. ASAPH LL17 0 6
ST. ASAPH ST. ASAPH LL17 0 4
Tremeirchion ST. ASAPH LL17 0 3
Cefn ST. ASAPH LL17 0 3
Rhuallt ST. ASAPH LL17 0 2
Cefn Meiriadog ST. ASAPH LL17 0 2
ST. ASAPH ST. ASAPH LL17 0 1
ST. ASAPH ST. ASAPH LL17 0 1
Cefn Meiriadog ST. ASAPH LL17 0 1
Cefn Meiriadog ST. ASAPH LL17 0 1
Tremeirchion ST. ASAPH LL17 0 1
ST. ASAPH ST. ASAPH LL17 0 1
St. Asaph Business Park ST. ASAPH LL17 0 1
St. Asaph Business Park ST. ASAPH LL17 0 1
Waen ST. ASAPH LL17 0 1

Street list for LL17

ALLT GOCH B5381

B-road

St Asaph, Clwyd

B Road
USRN: 46700059

BISHOPS WALK

St Asaph, Clwyd

Local Road
USRN: 46700111

BONT NEWYDD

Minor road

CEFN, St Asaph, Clwyd

Minor Road
USRN: 46703188

BRO HAVARD

St Asaph, Clwyd

Local Road
USRN: 46700138

BRONDYFFRYN

St Asaph, Clwyd

Local Road
USRN: 46700149

BRONWYLFA SQUARE

St Asaph, Clwyd

Local Road
USRN: 46700150

BRYN ARTHUR

St Asaph, Clwyd

Local Road
USRN: 46700158

BRYN COED

St Asaph, Clwyd

Local Road
USRN: 46700163

BRYN ELWY

St Asaph, Clwyd

Local Road
USRN: 46700171

BRYN GOBAITH

St Asaph, Clwyd

Local Road
USRN: 46700176

BRYN GWYN BACH ROAD

Minor road

RHUALLT, St Asaph, Clwyd

Minor Road
USRN: 46701475

BRYN RHOSYN

St Asaph, Clwyd


USRN: 46702879

BRYNIAU BYCHAIN ROAD

Minor road

Llannefydd, Clwyd

Minor Road
USRN: 46603733

CAE BRYN

St Asaph, Clwyd

Local Road
USRN: 46700215

CAE PEDR

TREMEIRCHION, St Asaph, Clwyd

Secondary Access Road
USRN: 46703793

CAE SHON

St Asaph, Clwyd

Local Road
USRN: 46700220

CAE WINEFRIDE

St Asaph, Clwyd

Local Road
USRN: 46703934

CATHEDRAL WALK

St Asaph, Clwyd

Local Road
USRN: 46700240

CHESTER STREET A525

A-road

St Asaph, Clwyd

A Road
USRN: 46700263

CLOS COED YWEN

St Asaph, Clwyd

Local Road
USRN: 46703131

CLOS DERW

St Asaph, Clwyd

Local Road
USRN: 46703061

CLWYDIAN AVENUE

St Asaph, Clwyd

Local Road
USRN: 46700301

CLWYDIAN PARK AVENUE

St Asaph, Clwyd

Local Road
USRN: 46700302

CLWYDIAN PARK CRESCENT

St Asaph, Clwyd

Local Road
USRN: 46700303

CLWYDIAN PARK VIEW

St Asaph, Clwyd

Local Road
USRN: 46700304

CWRT ASHLY

St Asaph, Clwyd

Local Road
USRN: 46700074

CWTTIR LANE

St Asaph, Clwyd

Local Road
USRN: 46700330

DEANS WALK

St Asaph, Clwyd

Local Road
USRN: 46700341

DYFFRYN TEG

RHUALLT, St Asaph, Clwyd

Local Road
USRN: 46700363

ELWY CRESCENT

St Asaph, Clwyd

Local Road
USRN: 46700382

ERW LAN

St Asaph, Clwyd

Local Road
USRN: 46703279

FFORDD BRENIG

St Asaph, Clwyd

Local Road
USRN: 46704213

FFORDD ISAF DINBYCH B5381

B-road

St Asaph, Clwyd

B Road
USRN: 46700765

FFORDD NEWYDD

St Asaph, Clwyd

Local Road
USRN: 46703282

FFORDD RICHARD DAVIES

ST ASAPH BUSINESS PARK, St Asaph, Clwyd

Local Road
USRN: 46703272

FFORDD SALESBURY

ST ASAPH BUSINESS PARK, St Asaph, Clwyd

Restricted Local Access Road
USRN: 46703466

FFORDD SIARL

St Asaph, Clwyd

Local Road
USRN: 46700453

FFORDD WILLIAM MORGAN

Minor road

ST ASAPH BUSINESS PARK, St Asaph, Clwyd

Minor Road
USRN: 46703331

FFORDD Y BRYN

Minor road

St Asaph, Clwyd

Minor Road
USRN: 46702497

FRON HAUL

St Asaph, Clwyd

Local Road
USRN: 46700476

GEMIG STREET

St Asaph, Clwyd

Local Road
USRN: 46700485

GLASCOED ROAD B5381

B-road

St Asaph, Clwyd

B Road
USRN: 46700501

GROESFFORDD

TREMEIRCHION, St Asaph, Clwyd

Local Road
USRN: 46700528

HEN WALIAU

St Asaph, Clwyd

Local Road
USRN: 46703341

HENLLAN ROAD

Minor road

St Asaph, Clwyd

Minor Road
USRN: 46701543

HEOL AFON

St Asaph, Clwyd

Local Road
USRN: 46700566

HEOL CELYN

St Asaph, Clwyd

Local Road
USRN: 46704214

HEOL CLWYD

St Asaph, Clwyd

Local Road
USRN: 46700567

HEOL ESGOB

St Asaph, Clwyd

Local Road
USRN: 46700569

HEOL Y BRENIN

Minor road

TREMEIRCHION, St Asaph, Clwyd

Minor Road
USRN: 46700572

HIGH STREET A525

A-road

St Asaph, Clwyd

A Road
USRN: 46700576

HILLSIDE

St Asaph, Clwyd

Local Road
USRN: 46700595

HOLLY COURT

St Asaph, Clwyd

Local Road
USRN: 46703499

HOLYWELL ROAD

St Asaph, Clwyd

Local Road
USRN: 46700601

IS TERFYN

St Asaph, Clwyd

Local Road
USRN: 46700609

KEENS ROAD

St Asaph, Clwyd

Local Road
USRN: 46700620

KENTIGERN COURT

St Asaph, Clwyd

Local Road
USRN: 46700621

LLANERCH CROSSING

St Asaph, Clwyd

Restricted Local Access Road
USRN: 46703275

LLWYN DINAS FECHAN

St Asaph, Clwyd


USRN: 46705140

LLWYN ELWY

St Asaph, Clwyd

Local Road
USRN: 46700660

LLWYN ONN

St Asaph, Clwyd

Local Road
USRN: 46700664

LLYS ALUN

St Asaph, Clwyd

Local Road
USRN: 46700670

LLYS CARADOG

St Asaph, Clwyd

Local Road
USRN: 46703280

LLYS CERRIG

St Asaph, Clwyd

Local Road
USRN: 46700679

LLYS CLWYD

St Asaph, Clwyd

Local Road
USRN: 46700681

LLYS DYFFRYN

St Asaph, Clwyd

Local Road
USRN: 46703057

LLYS EDMUND PRYS

ST ASAPH BUSINESS PARK, St Asaph, Clwyd

Local Road
USRN: 46703273

LLYS HEN REILFFORDD

St Asaph, Clwyd

Local Road
USRN: 46705120

LLYS IDRIS

St Asaph, Clwyd

Local Road
USRN: 46700697

LLYS LLANNERCH

St Asaph, Clwyd

Local Road
USRN: 46700698

LLYS TREWITHAN

St Asaph, Clwyd

Local Road
USRN: 46700708

LLYS WYLFA

St Asaph, Clwyd

Local Road
USRN: 46704990

LLYS Y TYWYSOG

TREMEIRCHION, St Asaph, Clwyd

Local Road
USRN: 46700717

LON COED ESGOB

St Asaph, Clwyd

Local Road
USRN: 46703368

LON DERW

St Asaph, Clwyd

Local Road
USRN: 46703085

LON H M STANLEY

St Asaph, Clwyd

Local Road
USRN: 46704211

LON TAI COCHION

Minor road

WAEN, St Asaph, Clwyd

Minor Road
USRN: 46701566

LON TREM Y BRYNIAU

St Asaph, Clwyd

Restricted Local Access Road
USRN: 46705121

LON Y GADEIRLAN

St Asaph, Clwyd

Restricted Local Access Road
USRN: 46705117

LON Y PARC

St Asaph, Clwyd

Local Road
USRN: 46703342

LOTHIANS PARK

St Asaph, Clwyd

Local Road
USRN: 46703097

LOWER STREET

St Asaph, Clwyd

Local Road
USRN: 46700767

LUKE STREET

St Asaph, Clwyd

Local Road
USRN: 46700769

MAES DERWEN

St Asaph, Clwyd

Local Road
USRN: 46700786

MAES HYFRYD

WAEN, St Asaph, Clwyd

Restricted Local Access Road
USRN: 46702885

MAES RATHBONE

WAEN, St Asaph, Clwyd


USRN: 46702886

MAES ROBERT

CEFN, St Asaph, Clwyd

Local Road
USRN: 46700816

MAES Y FEDWEN ARIAN

St Asaph, Clwyd

Local Road
USRN: 46703281

MAES Y RHUFEINIAID

St Asaph, Clwyd

Restricted Local Access Road
USRN: 46705118

MILL STREET

St Asaph, Clwyd

Local Road
USRN: 46700877

NANT Y FAENOL ROAD

Minor road

BODELWYDDAN, Rhyl, Clwyd

Minor Road
USRN: 46701538

NANT Y PATRICK

St Asaph, Clwyd

Local Road
USRN: 46700910

NEW VISION BUSINESS PARK

St Asaph, Clwyd

Local Road
USRN: 46703877

PANT GLAS

St Asaph, Clwyd

Local Road
USRN: 46700948

PENRHEWL

St Asaph, Clwyd

Local Road
USRN: 46702880

RED HILL

St Asaph, Clwyd

Local Road
USRN: 46701042

RHODFA CAE ISA

St Asaph, Clwyd


USRN: 46705141

RHODFA CAE LLWYBR

St Asaph, Clwyd

Local Road
USRN: 46705128

RHODFA CAE UCHA

St Asaph, Clwyd


USRN: 46705129

RHODFA CLWYD

St Asaph, Clwyd

Local Road
USRN: 46701051

RHODFA GLENYS

St Asaph, Clwyd

Local Road
USRN: 46701056

RHODFA GWILYM

St Asaph, Clwyd

Local Road
USRN: 46701059

RHODFA TEGID

St Asaph, Clwyd

Local Road
USRN: 46704212

RHODFA TY TYN

St Asaph, Clwyd

Local Road
USRN: 46705116

RHODFAR GYDLIFIAD

St Asaph, Clwyd

Restricted Local Access Road
USRN: 46705119

ROE PARC

St Asaph, Clwyd

Local Road
USRN: 46701766

ST ASAPH ROAD A525

A-road

TREFNANT, Denbigh, Clwyd

A Road
USRN: 46701134

ST ASAPH ROAD A525

A-road

RHUDDLAN, Rhyl, Clwyd

A Road
USRN: 46701135

STANLEY PARK

St Asaph, Clwyd


USRN: 46703060

TAN Y BRYN

St Asaph, Clwyd

Local Road
USRN: 46701176

THE PADDOCK

St Asaph, Clwyd

Local Road
USRN: 46701203

THE ROE A525

A-road

St Asaph, Clwyd

A Road
USRN: 46701208

TRB DRIVE

ST ASAPH BUSINESS PARK, St Asaph, Clwyd

Restricted Local Access Road
USRN: 46703152

UPPER DENBIGH ROAD A525

A-road

St Asaph, Clwyd

A Road
USRN: 46701249

WIGFAIR ROAD

Minor road

St Asaph, Clwyd

Minor Road
USRN: 46701520

YSGUBOR NEWYDD LANE

Minor road

RHUALLT, St Asaph, Clwyd

Minor Road
USRN: 46701324

Crime overview

Most common crime types

Crime type Count
Violence and sexual offences 461
Criminal damage and arson 91
Other theft 83
Public order 71
Drugs 39
Burglary 28
Other crime 27
Shoplifting 24
Vehicle crime 23
Anti-social behaviour 8
Possession of weapons 6
Bicycle theft 2

Retail and shopping

Street Town Locality Number of shops Central postcode Map
HIGH STREET ST ASAPH 17 LL17 0RD View map
CHESTER STREET ST ASAPH 8 LL17 0RE View map

Healthcare services

No dentists found in this district.

Data accessed from NHS Digital and updated monthly.

# Name Address Type Contact
1 Pen Y Bont Surgery THE ROE, ST. ASAPH, CLWYD, LL17 0LU GP PRACTICE
Call 01745 583208

Data accessed from NHS Digital and updated monthly.

# Name Address Type Contact
1 Rowlands Pharmacy COACH HOUSE, THE ROE, ST. ASAPH, LL17 0LU PHARMACY
Call 01745 583200

Data accessed from NHS Digital and updated monthly.

# Name Address Type Contact
1 Home Vision Care Ltd UNIT 32, LLYS EDMUND PRYS, ST. ASAPH BUSINESS PARK, ST. ASAPH, CLWYD, LL17 0JA OPTICAL SITE No contact details listed

Data accessed from NHS Digital and updated monthly.

Property and housing

Yearly house price averages for the district

Type of property 2025 average 2025 sales 2024 average 2024 sales 2023 average 2023 sales 2022 average 2022 sales
Detached £378,857 39 £354,628 69 £330,675 70 £336,714 49
Semi-detached £190,538 13 £237,967 33 £203,354 38 £261,565 22
Terraced £168,264 18 £159,433 15 £170,591 11 £177,169 16
Flats £147,500 2 £143,750 4 £189,000 5 £156,667 6

Transport and connectivity

Stations in the district

No stations found in this postcode district.

Accessible motorway junctions

M53 J5

Average Driving Time from within the district: 33.01

Average Driving Distance: 29.26

Number of Postcodes that can access the Motorway Junction: 221

M53 J4

Average Driving Time from within the district: 36.89

Average Driving Distance: 33.27

Number of Postcodes that can access the Motorway Junction: 221

M53 J3

Average Driving Time from within the district: 39.82

Average Driving Distance: 36.30

Number of Postcodes that can access the Motorway Junction: 221

M53 J2

Average Driving Time from within the district: 42.32

Average Driving Distance: 38.90

Number of Postcodes that can access the Motorway Junction: 221

M53 J1

Average Driving Time from within the district: 43.11

Average Driving Distance: 39.65

Number of Postcodes that can access the Motorway Junction: 221


Royal Mail delivery and sorting offices

Delivery offices serving this district
Postal sector Delivery office
LL17 0 Rhyl Delivery Office

Postcode format

How this district code is structured
L L 1 7 - X X X
L L 1 7 Space Numeric Letter Letter

Administrative and boundary notes

The largest settlement in the LL17 postal code is ST ASAPH followed by ST. ASAPH, and RHUALLT.

The LL17 Postcode shares a border with LL18 (RHYL, KINMEL BAY, Rhuddlan), LL16 (DENBIGH, LLANDYRNOG, HENLLAN) and CH7 (BUCKLEY, MOLD, MYNYDD ISA).

Maps and visuals

Map of the LL17 postcode
District map
A word cloud for the LL17 postcode
Word cloud showing place names in the district
Map of the LL17 district
Additional district map

Weather

Weather Forecast for St Asaph

Powered by Met Office DataPoint under the Open Government Licence.

© streetlist.co.uk 2026
Contains public sector information licensed under the Open Government Licence v2.0.
© Crown copyright and database rights 2026
© OpenStreetMap contributors 2026