CF3 9XL

Pontprennau and Old St Mellons · Cardiff · Wales

Updated September 2026

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Location overview

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Local authority
Cardiff
Constituency
Cardiff North
Postcode district
CF3
Postcode sector
CF3 9

Nearby postcodes

Nearby postcode distances
Postcode Distance
CF3 6YW 343 m
CF3 6YS 399 m
CF3 6BG 453 m
CF3 6YQ 484 m
CF3 6YL 506 m
Complete postcode fields and official codes
Postcode
CF3 9XL
Status
Terminated
Introduced
1 January 1980
Terminated
1 June 1999
Postcode area
CF
Postcode district
CF3
Postcode sector
CF3 9
Latitude
51.542369
Longitude
-3.117490
British National Grid easting
322,600
British National Grid northing
183,200

Statistical and administrative geographies

Country
Wales · W92000004
Region
W99999999
Local authority district
Cardiff · W06000015
Parish or community
W04000888
Westminster constituency
Cardiff North · W07000090
Output area
W00010534
Lower layer super output area
Cardiff 003E · W01002016
Middle layer super output area
Cardiff 003 · W02000369

Postcode source versions

Explore CF3

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
36
Primary
0
Secondary
0
  1. St Mellons C.I.W. Primary School

    Welsh establishment

    890 m
  2. St Johns College

    Welsh establishment

    1.6 km
  3. Pontprennau Primary School

    Welsh establishment

    1.8 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
481
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 167
  • Public order 73
  • Shoplifting 49
  • Criminal damage and arson 47
  • Anti social behaviour 44

Census 2021

Population and age profile

Postcode residents
Not supplied
Postcode households
Not supplied
Residents per household
Not available
Postcode sector residents
Not available

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 not available.

GP practices

6

within 5 km straight-line

  • BRYNDERWEN SURGERY

    CRICKHOWELL ROAD, ST MELLONS, CARDIFF, CF3 0EF

    ODS code W97006

    2.2 km

  • CYNCOED MEDICAL PRACTICE

    DARTINGTON DRIVE, PONTPRENNAU, CARDIFF, CF23 8SQ

    ODS code W97010

    2.6 km

  • WILLOWBROOK SURGERY

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

    ODS code W97069

    2.7 km

  • ST. DAVIDS MEDICAL CENTRE

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

    ODS code W97065

    2.8 km

  • LLANEDEYRN HEALTH CENTRE

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

    ODS code W97008

    3.9 km

  • RUMNEY PRIMARY CARE CENTRE

    BARMOUTH ROAD, RUMNEY, CARDIFF, CF3 3LG

    ODS code W97027

    4.0 km

Nearby transport

  • Rogers Avenue

    BCT · Old St Mellons

    0.5 miles
  • Mortimer Avenue

    BCT · Old St Mellons

    0.5 miles
  • Heol Booths 3

    BCT · Old St Mellons

    0.5 miles
  • Heol Booths 2

    BCT · Llanedeyrn

    0.6 miles
  • Heol Booths 1

    BCT · Old St Mellons

    0.6 miles

Evidence in context

Schools

36 open schools are in scope, including 0 primary and 0 secondary schools. St Mellons C.I.W. Primary School is the nearest published school at 890 m.

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

Recorded crime

481 published events cover 12 months, averaging 40.083 events per published month. The largest recorded category is Violence and sexual offences with 167 events.

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