Schools
33 open schools are in scope, including 0 primary and 0 secondary schools. St Johns College is the nearest published school at 578 m.
Counts describe active establishment records. They do not assess admissions, catchments or quality.
CF3 9XD
Pontprennau and Old St Mellons · Cardiff · Wales
Updated September 2026
Compare this postcodeLocation overview
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- Local authority
- Cardiff
- Constituency
- Cardiff North
- Postcode district
- CF3
- Postcode sector
- CF3 9
Nearby postcodes
Complete postcode fields and official codes
- Postcode
- CF3 9XD
- Status
- Terminated
- Introduced
- 1 January 1980
- Terminated
- 1 June 1999
- Postcode area
- CF
- Postcode district
- CF3
- Postcode sector
- CF3 9
- Latitude
- 51.533448
- Longitude
- -3.110063
- British National Grid easting
- 323,100
- British National Grid northing
- 182,200
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
- Ordnance Survey: Code-Point Open Version 2026-08 · Current postcode units in Great Britain · OGL-3.0
- Office for National Statistics: ONS Postcode Directory Version 2026-08 · United Kingdom; Northern Ireland excluded pending rights review; Crown Dependencies outside product scope · OGL-3.0 with third-party rights
- Ordnance Survey: Boundary-Line Version 2026-05 · Local-authority boundaries in Great Britain · OS OpenData Licence
Explore CF3
Schools
Within 3.1 miles of this postcode
- Open schools
- 33
- Primary
- 0
- Secondary
- 0
- 578 m
St Johns College
Welsh establishment
- 782 m
St Mellons C.I.W. Primary School
Welsh establishment
- 905 m
Bishop Childs C.I.W. Primary School
Welsh establishment
Recorded crime
Within 1 mile of this postcode
- Published events
- 1,883
- Months covered
- 12
- Latest month
- June 2026
Most recorded categories in this period
- Violence and sexual offences 677
- Public order 255
- Anti social behaviour 229
- Criminal damage and arson 187
- Shoplifting 148
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
1.1 km
WILLOWBROOK SURGERY
5 STRATHY ROAD, ST. MELLONS, CARDIFF, CF3 0SH
ODS code W97069
1.6 km
ST. DAVIDS MEDICAL CENTRE
PONTPRENNAU MEDICAL CENTR, PENTWYN DRIVE, CARDIFF, CF23 7SD
ODS code W97065
2.7 km
CYNCOED MEDICAL PRACTICE
DARTINGTON DRIVE, PONTPRENNAU, CARDIFF, CF23 8SQ
ODS code W97010
2.8 km
RUMNEY PRIMARY CARE CENTRE
BARMOUTH ROAD, RUMNEY, CARDIFF, CF3 3LG
ODS code W97027
3.2 km
LLANEDEYRN HEALTH CENTRE
LLAN HEALTHCARE, WELLBEING HUB @ MAELFA, ROUND WOOD, LLANEDEYRN, CARDIFF, CF23 9PF
ODS code W97008
3.5 km
Nearby transport
- 0.1 miles
Tyrwinch Road
BCT · Old St Mellons
- 0.1 miles
Tyrwinch Road
BCT · Old St Mellons
- 0.4 miles
Wern Fawr Lane
BCT · Old St Mellons
- 0.4 miles
Vaindre Lane
BCT · Old St Mellons
- 0.4 miles
Llaneirwg Way
BCT · Old St Mellons
Evidence in context
Recorded crime
1,883 published events cover 12 months, averaging 156.917 events per published month. The largest recorded category is Violence and sexual offences with 677 events.
The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.