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CF3 9YY

Pontprennau and Old St Mellons · Cardiff · Wales

Updated September 2026

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Location overview

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Ward
Pontprennau and Old St Mellons
Local authority
Cardiff
Constituency
Cardiff North
Postcode district
CF3
Postcode sector
CF3 9

Nearby postcodes

Nearby postcode distances
Postcode Distance
CF3 6XD 572 m
CF3 6XJ 630 m
CF3 6XA 637 m
CF3 6XL 685 m
CF3 6YW 688 m
Complete postcode fields and official codes
Postcode
CF3 9YY
Status
Terminated
Introduced
1 June 1998
Terminated
1 June 1999
Postcode area
CF
Postcode district
CF3
Postcode sector
CF3 9
Latitude
51.540640
Longitude
-3.110238
British National Grid easting
323,100
British National Grid northing
183,000

Statistical and administrative geographies

Country
Wales · W92000004
Region
W99999999
Local authority district
Cardiff · W06000015
Electoral ward
Pontprennau and Old St Mellons · W05001290
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
29
Primary
0
Secondary
0

  1. St Mellons C.I.W. Primary School

    Welsh establishment

    1.0 km

  2. St Johns College

    Welsh establishment

    1.4 km

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

    Welsh establishment

    1.6 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
585
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 191
  • Public order 83
  • Shoplifting 65
  • Anti social behaviour 59
  • Criminal damage and arson 55

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

    1.8 km

  • WILLOWBROOK SURGERY

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

    ODS code W97069

    2.2 km

  • CYNCOED MEDICAL PRACTICE

    DARTINGTON DRIVE, PONTPRENNAU, CARDIFF, CF23 8SQ

    ODS code W97010

    3.0 km

  • ST. DAVIDS MEDICAL CENTRE

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

    ODS code W97065

    3.0 km

  • RUMNEY PRIMARY CARE CENTRE

    BARMOUTH ROAD, RUMNEY, CARDIFF, CF3 3LG

    ODS code W97027

    3.9 km

  • LLANEDEYRN HEALTH CENTRE

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

    ODS code W97008

    4.1 km

Nearby transport

  • Rogers Avenue

    BCT · Old St Mellons

    0.6 miles

  • Tyrwinch Road

    BCT · Old St Mellons

    0.6 miles

  • Tyrwinch Road

    BCT · Old St Mellons

    0.6 miles

  • Church Road 2

    BCT · Llanedeyrn

    0.7 miles

  • St Ederyns

    BCT · Llanedeyrn

    0.7 miles

Evidence in context

Schools

29 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 0.6 miles.

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

Recorded crime

585 published events cover 12 months, averaging 48.75 events per published month. The largest recorded category is Violence and sexual offences with 191 events.

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