CF3 4DU

Llanrumney · Cardiff · Wales

Updated September 2026

Compare this postcode

Location overview

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Post town
Cardiff
Local authority
Cardiff
Constituency
Cardiff East
Postcode district
CF3
Postcode sector
CF3 4

Nearby postcodes

Nearby postcode distances
Postcode Distance
CF3 4DT 68 m
CF3 4DZ 69 m
CF3 4DL 72 m
CF3 4DP 118 m
CF3 4LL 120 m
Complete postcode fields and official codes
Postcode
CF3 4DU
Status
Current
Introduced
1 June 1999
Terminated
Not published
Postcode area
CF
Postcode district
CF3
Postcode sector
CF3 4
Latitude
51.513949
Longitude
-3.125686
British National Grid easting
321,983
British National Grid northing
180,048

Statistical and administrative geographies

Country
Wales · W92000004
Region
W99999999
Local authority district
Cardiff · W06000015
Parish or community
W04001000
Westminster constituency
Cardiff East · W07000089
Output area
W00009310
Lower layer super output area
Cardiff 015A · W01001803
Middle layer super output area
Cardiff 015 · W02000381

Postcode source versions

Explore CF3

15 recorded sales at this postcode
Address Date Price
19, Watchet Close, Llanrumney, Cardiff, CF3 4DU 8 September 2020 £220,000
16, Watchet Close, Llanrumney, Cardiff, CF3 4DU 20 March 2020 £185,000
1, Watchet Close, Llanrumney, Cardiff, CF3 4DU 31 July 2015 £168,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
60
Primary
0
Secondary
0
  1. Bryn Hafod Primary School

    Welsh establishment

    452 m
  2. Eastern High

    Welsh establishment

    538 m
  3. Greenway Primary School

    Welsh establishment

    563 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
3,006
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 1,129
  • Shoplifting 407
  • Public order 323
  • Anti social behaviour 288
  • Criminal damage and arson 249

Census 2021

Population and age profile

Postcode residents
67

41 female, 26 male

Postcode households
21
Residents per household
3.2
CF3 4 residents
5,682

Age bands in CF3 4

Wider postcode sector
Age 0 to 14
19.1%

1,134 residents

Age 15 to 24
10.3%

613 residents

Age 25 to 44
26%

1,547 residents

Age 45 to 64
25.5%

1,517 residents

Age 65 and over
19%

1,131 residents

This postcode contained 1.2% of the sector's usual residents on Census Day. The age profile describes the wider CF3 4 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+
100%
Ultrafast, 100 Mbit/s+
100%
Ultrafast, 300 Mbit/s+
100%
Gigabit-capable
100%
Unable to receive decent fixed or FWA broadband
0%
Next Generation Access
100%
Decent broadband available from fixed wireless
90.5%

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

20

within 5 km

  • RUMNEY PRIMARY CARE CENTRE

    BARMOUTH ROAD, RUMNEY, CARDIFF, CF3 3LG

    ODS code W97027

    831 m

  • LLANEDEYRN HEALTH CENTRE

    LLAN HEALTHCARE, WELLBEING HUB @ MAELFA, ROUND WOOD, LLANEDEYRN, CARDIFF, CF23 9PF

    ODS code W97008

    1.7 km

  • ST. DAVIDS MEDICAL CENTRE

    PONTPRENNAU MEDICAL CENTR, PENTWYN DRIVE, CARDIFF, CF23 7SD

    ODS code W97065

    1.9 km

  • BRYNDERWEN SURGERY

    CRICKHOWELL ROAD, ST MELLONS, CARDIFF, CF3 0EF

    ODS code W97006

    2.1 km

  • CYNCOED MEDICAL PRACTICE

    DARTINGTON DRIVE, PONTPRENNAU, CARDIFF, CF23 8SQ

    ODS code W97010

    2.5 km

  • WILLOWBROOK SURGERY

    5 STRATHY ROAD, ST. MELLONS, CARDIFF, CF3 0SH

    ODS code W97069

    2.7 km

  • FOUR ELMS MEDICAL CENTRE

    STERLING CLOSE, FFORDD PENGAM PENGAM GREE, SPLOTT, CARDIFF, CF24 2HB

    ODS code W97048

    2.7 km

  • ROATH HOUSE SURGERY

    100 PEN-Y-LAN ROAD, PENYLAN, CARDIFF, CF23 5RH

    ODS code W97034

    3.1 km

  • THE PENYLAN SURGERY

    74 PEN-Y-LAN ROAD, CARDIFF, CF23 5SY

    ODS code W97033

    3.3 km

  • ROATHWELL SURGERY

    116 NEWPORT ROAD, CARDIFF, CF24 1YT

    ODS code W97002

    3.7 km

  • CLIFTON SURGERY

    151-153 NEWPORT ROAD, ROATH, CARDIFF, CF24 1AG

    ODS code W97060

    3.7 km

  • CLOUGHMORE MEDICAL CENTRE

    19 SOUTH PARK ROAD, SPLOTT, CARDIFF, CF24 2LU

    ODS code W97007

    3.8 km

  • MEDDYGFA ALBANY SURGERY

    219 - 221 CITY ROAD, ROATH, CARDIFF, CF24 3JD

    ODS code W97014

    4.0 km

  • THE CITY SURGERY

    187 CITY ROAD, ROATH, CARDIFF, CF24 3WD

    ODS code W97056

    4.0 km

  • CRWYS MEDICAL CENTRE

    THE CRWYS SURGERY, WEDAL ROAD, CARDIFF, CF14 3QX

    ODS code W97041

    4.1 km

  • CARDIFF HEALTH ACCESS PRACTICE

    CARDIFF AND VALE HIS, CARDIFF ROYAL INFIRMARY, CARDIFF, CF24 0SZ

    ODS code W00100

    4.1 km

  • CATHAYS SURGERY

    137 CATHAYS TERRACE, CARDIFF, CF24 4HU

    ODS code W97009

    4.5 km

  • ST. ISAN ROAD SURGERY

    46 ST. ISAN ROAD, HEATH CARDIFF, CARDIFF, CF14 4UU

    ODS code W97053

    4.5 km

  • LLANISHEN COURT SURGERY

    LLANISHEN COURT, LLANISHEN, CARDIFF, CF14 5YU

    ODS code W97013

    4.6 km

  • WHITCHURCH ROAD SURGERY

    SACHVILLE AVENUE, CARDIFF, CF14 3NY

    ODS code W97025

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

Nearby transport

  • Watchet Close

    BCT · Llanrumney

    0.0 miles
  • Highcroft

    BCT · Rumney

    0.1 miles
  • Highcroft

    BCT · Rumney

    0.1 miles
  • Worle Avenue

    BCT · Llanrumney

    0.1 miles
  • Witla Court

    BCT · Rumney

    0.1 miles

Evidence in context

Schools

60 open schools are in scope, including 0 primary and 0 secondary schools. Bryn Hafod Primary School is the nearest published school at 452 m.

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

Recorded crime

3,006 published events cover 12 months, averaging 250.5 events per published month. The largest recorded category is Violence and sexual offences with 1,129 events.

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