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CF3 0JT

Trowbridge · Cardiff · Wales

Updated September 2026

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Location overview

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Post town
Cardiff
Ward
Trowbridge
Local authority
Cardiff
Constituency
Cardiff East
Postcode district
CF3
Postcode sector
CF3 0

Nearby postcodes

Nearby postcode distances
Postcode Distance
CF3 0JS 86 m
CF3 0BN 94 m
CF3 0JG 96 m
CF3 0JF 133 m
CF3 0HU 139 m
Complete postcode fields and official codes
Postcode
CF3 0JT
Status
Current
Introduced
1 July 1990
Terminated
Not published
Postcode area
CF
Postcode district
CF3
Postcode sector
CF3 0
Latitude
51.522492
Longitude
-3.095194
British National Grid easting
324,113
British National Grid northing
180,966

Statistical and administrative geographies

Country
Wales · W92000004
Region
W99999999
Local authority district
Cardiff · W06000015
Electoral ward
Trowbridge · W05001296
Parish or community
W04001008
Westminster constituency
Cardiff East · W07000089
Output area
W00009703
Lower layer super output area
Cardiff 013B · W01001880
Middle layer super output area
Cardiff 013 · W02000379

Postcode source versions

Explore CF3

Property

View all property records
1 recorded sale at this postcode
Address Date Price
11, Clos Y Berllan, St Mellons, Cardiff, CF3 0JT 15 July 2014 £1,426,438

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
29
Primary
0
Secondary
0

  1. Willowbrook Primary School

    Welsh establishment

    343 m

  2. Meadowlane Primary School

    Welsh establishment

    567 m

  3. Bishop Childs C.I.W. Primary School

    Welsh establishment

    693 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
1,949
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 735
  • Public order 237
  • Anti social behaviour 226
  • Criminal damage and arson 200
  • Shoplifting 152

Census 2021

Population and age profile

Postcode residents
35

19 female, 16 male

Postcode households
13
Residents per household
2.7
CF3 0 residents
12,539

Age bands in CF3 0

Wider postcode sector
Age 0 to 14
23%

2,944 residents

Age 15 to 24
11.9%

1,525 residents

Age 25 to 44
29.6%

3,781 residents

Age 45 to 64
23.3%

2,983 residents

Age 65 and over
12.1%

1,544 residents

This postcode contained 0.3% of the sector's usual residents on Census Day. The age profile describes the wider CF3 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+
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
83.3%

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

7

within 5 km

  • WILLOWBROOK SURGERY

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

    ODS code W97069

    364 m

  • BRYNDERWEN SURGERY

    CRICKHOWELL ROAD, ST MELLONS, CARDIFF, CF3 0EF

    ODS code W97006

    570 m

  • RUMNEY PRIMARY CARE CENTRE

    BARMOUTH ROAD, RUMNEY, CARDIFF, CF3 3LG

    ODS code W97027

    2.8 km

  • ST. DAVIDS MEDICAL CENTRE

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

    ODS code W97065

    3.6 km

  • LLANEDEYRN HEALTH CENTRE

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

    ODS code W97008

    3.9 km

  • CYNCOED MEDICAL PRACTICE

    DARTINGTON DRIVE, PONTPRENNAU, CARDIFF, CF23 8SQ

    ODS code W97010

    3.9 km

  • FOUR ELMS MEDICAL CENTRE

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

    ODS code W97048

    4.4 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

  • Willowbrook School

    BCT · St Mellons

    0.2 miles

  • Willowbrook School

    BCT · St Mellons

    0.2 miles

  • Kwik Save

    BCT · St Mellons

    0.2 miles

  • Sandbrook Drive

    BCT · St Mellons

    0.2 miles

  • Willowbrook Surgery

    BCT · St Mellons

    0.2 miles

Evidence in context

Schools

29 open schools are in scope, including 0 primary and 0 secondary schools. Willowbrook Primary School is the nearest published school at 343 m.

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

Recorded crime

1,949 published events cover 12 months, averaging 162.417 events per published month. The largest recorded category is Violence and sexual offences with 735 events.

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