CF3 5EX

Pontprennau and Old St Mellons · Cardiff · Wales

Updated September 2026

Compare this postcode

Location overview

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Post town
Cardiff
Local authority
Cardiff
Constituency
Cardiff North
Postcode district
CF3
Postcode sector
CF3 5

Nearby postcodes

Nearby postcode distances
Postcode Distance
CF3 5EY 62 m
CF3 5DJ 103 m
CF3 5UX 133 m
CF3 5EZ 157 m
CF3 5ET 165 m
Complete postcode fields and official codes
Postcode
CF3 5EX
Status
Current
Introduced
1 June 1999
Terminated
Not published
Postcode area
CF
Postcode district
CF3
Postcode sector
CF3 5
Latitude
51.530312
Longitude
-3.110851
British National Grid easting
323,040
British National Grid northing
181,852

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
W00009482
Lower layer super output area
Cardiff 007D · W01001840
Middle layer super output area
Cardiff 007 · W02000373

Postcode source versions

Explore CF3

3 recorded sales at this postcode
Address Date Price
4, White Oaks Drive, Old St Mellons, Cardiff, CF3 5EX 12 April 2023 £250,000
1, White Oaks Drive, Old St Mellons, Cardiff, CF3 5EX 24 September 2020 £300,000
5, White Oaks Drive, Old St Mellons, Cardiff, CF3 5EX 30 April 2010 £400,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
34
Primary
0
Secondary
0
  1. St Johns College

    Welsh establishment

    227 m
  2. Oakfield Primary School

    Welsh establishment

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

    Welsh establishment

    718 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
2,577
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 951
  • Public order 332
  • Anti social behaviour 281
  • Shoplifting 272
  • Criminal damage and arson 235

Census 2021

Population and age profile

Postcode residents
8

4 female, 4 male

Postcode households
5
Residents per household
1.6
CF3 5 residents
9,019

Age bands in CF3 5

Wider postcode sector
Age 0 to 14
22.1%

1,945 residents

Age 15 to 24
11.7%

1,032 residents

Age 25 to 44
26.9%

2,375 residents

Age 45 to 64
24.8%

2,189 residents

Age 65 and over
14.5%

1,274 residents

This postcode contained 0.1% of the sector's usual residents on Census Day. The age profile describes the wider CF3 5 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
20%

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

  • BRYNDERWEN SURGERY

    CRICKHOWELL ROAD, ST MELLONS, CARDIFF, CF3 0EF

    ODS code W97006

    823 m

  • WILLOWBROOK SURGERY

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

    ODS code W97069

    1.5 km

  • ST. DAVIDS MEDICAL CENTRE

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

    ODS code W97065

    2.5 km

  • CYNCOED MEDICAL PRACTICE

    DARTINGTON DRIVE, PONTPRENNAU, CARDIFF, CF23 8SQ

    ODS code W97010

    2.7 km

  • RUMNEY PRIMARY CARE CENTRE

    BARMOUTH ROAD, RUMNEY, CARDIFF, CF3 3LG

    ODS code W97027

    2.8 km

  • LLANEDEYRN HEALTH CENTRE

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

    ODS code W97008

    3.3 km

  • FOUR ELMS MEDICAL CENTRE

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

    ODS code W97048

    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 2026-09-03. Contains information from NHS England, licenced under the current version of the Open Government Licence.

Nearby transport

  • Tyrwinch Road

    BCT · Old St Mellons

    0.1 miles
  • Tyrwinch Road

    BCT · Old St Mellons

    0.1 miles
  • Llaneirwg Way

    BCT · Old St Mellons

    0.2 miles
  • Llaneirwg Way

    BCT · Old St Mellons

    0.2 miles
  • Bluebell Drive

    BCT · Llanrumney

    0.3 miles

Evidence in context

Property market

The five-year median is £250,000 from 1 recorded sale in CF3 5EX. This is a recorded-sale statistic, not a current valuation.

The latest UK House Price Index average for Cardiff is £270,094 in June 2026, up 2.1% year on year.

Schools

34 open schools are in scope, including 0 primary and 0 secondary schools. St Johns College is the nearest published school at 227 m.

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

Recorded crime

2,577 published events cover 12 months, averaging 214.75 events per published month. The largest recorded category is Violence and sexual offences with 951 events.

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