Property market
The five-year median is £254,750 from 11 recorded sales in CF3 6AR. 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.
CF3 6AR
Pontprennau and Old St Mellons · Cardiff · Wales
Updated September 2026
Compare this postcodeLocation overview
Drag to pan. Use + or - to zoom. Open larger map
- Post town
- Cardiff
- Local authority
- Cardiff
- Constituency
- Cardiff North
- Postcode district
- CF3
- Postcode sector
- CF3 6
Nearby postcodes
Complete postcode fields and official codes
- Postcode
- CF3 6AR
- Status
- Current
- Introduced
- 1 June 2019
- Terminated
- Not published
- Postcode area
- CF
- Postcode district
- CF3
- Postcode sector
- CF3 6
- Latitude
- 51.536650
- Longitude
- -3.124170
- British National Grid easting
- 322,127
- British National Grid northing
- 182,571
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
- W00010631
- 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
Property
35 recorded
sales at this postcode
| Address | Date | Price |
|---|---|---|
| 9, Potter Street, Old St Mellons, Cardiff, CF3 6AR | 12 December 2025 | £254,750 |
| 14, Potter Street, Old St Mellons, Cardiff, CF3 6AR | 21 August 2025 | £260,000 |
| 11, Potter Street, Old St Mellons, Cardiff, CF3 6AR | 14 February 2025 | £227,000 |
Schools
Within 3.1 miles of this postcode
- Open schools
- 40
- Primary
- 0
- Secondary
- 0
- 301 m
St Mellons C.I.W. Primary School
Welsh establishment
- 1.1 km
St Cadoc's Primary School
Welsh establishment
- 1.2 km
Pontprennau Primary School
Welsh establishment
Recorded crime
Within 1 mile of this postcode
- Published events
- 1,069
- Months covered
- 12
- Latest month
- June 2026
Most recorded categories in this period
- Violence and sexual offences 417
- Public order 167
- Anti social behaviour 112
- Criminal damage and arson 102
- Shoplifting 64
Census 2021
Population and age profile
- Postcode residents
- 48
- Postcode households
- 26
- Residents per household
- 1.8
- CF3 6 residents
- 2,895
19 female, 29 male
Age bands in CF3 6
Wider postcode sector- Age 0 to 14
- 21.2%
- Age 15 to 24
- 9.2%
- Age 25 to 44
- 41.1%
- Age 45 to 64
- 18.8%
- Age 65 and over
- 9.6%
668 residents
291 residents
1,293 residents
593 residents
302 residents
This postcode contained 1.7% of the sector's usual residents on Census Day. The age profile describes the wider CF3 6 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
- 0%
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
8
within 5 km
CYNCOED MEDICAL PRACTICE
DARTINGTON DRIVE, PONTPRENNAU, CARDIFF, CF23 8SQ
ODS code W97010
1.9 km
BRYNDERWEN SURGERY
CRICKHOWELL ROAD, ST MELLONS, CARDIFF, CF3 0EF
ODS code W97006
2.0 km
ST. DAVIDS MEDICAL CENTRE
PONTPRENNAU MEDICAL CENTR, PENTWYN DRIVE, CARDIFF, CF23 7SD
ODS code W97065
2.0 km
WILLOWBROOK SURGERY
5 STRATHY ROAD, ST. MELLONS, CARDIFF, CF3 0SH
ODS code W97069
2.6 km
LLANEDEYRN HEALTH CENTRE
LLAN HEALTHCARE, WELLBEING HUB @ MAELFA, ROUND WOOD, LLANEDEYRN, CARDIFF, CF23 9PF
ODS code W97008
3.1 km
RUMNEY PRIMARY CARE CENTRE
BARMOUTH ROAD, RUMNEY, CARDIFF, CF3 3LG
ODS code W97027
3.4 km
LLANISHEN COURT SURGERY
LLANISHEN COURT, LLANISHEN, CARDIFF, CF14 5YU
ODS code W97013
4.5 km
NORTH CARDIFF MEDICAL CENTRE
EXCALIBUR DRIVE, THORNHILL, CARDIFF, CF14 9BB
ODS code W97015
4.9 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
- 0.0 miles
Mortimer Avenue
BCT · Old St Mellons
- 0.1 miles
Heol Booths 3
BCT · Old St Mellons
- 0.1 miles
Heol Booths 2
BCT · Llanedeyrn
- 0.1 miles
Rogers Avenue
BCT · Old St Mellons
- 0.1 miles
Heol Booths 1
BCT · Old St Mellons
Evidence in context
Schools
40 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 301 m.
Counts describe active establishment records. They do not assess admissions, catchments or quality.
Recorded crime
1,069 published events cover 12 months, averaging 89.083 events per published month. The largest recorded category is Violence and sexual offences with 417 events.
The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.