Property market
The five-year median is £132,500 from 9 recorded sales in CF3 5DL. 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 5DL
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 5
Nearby postcodes
Complete postcode fields and official codes
- Postcode
- CF3 5DL
- Status
- Current
- Introduced
- 1 June 1999
- Terminated
- Not published
- Postcode area
- CF
- Postcode district
- CF3
- Postcode sector
- CF3 5
- Latitude
- 51.530279
- Longitude
- -3.118016
- British National Grid easting
- 322,543
- British National Grid northing
- 181,856
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
- W00010629
- Lower layer super output area
- Cardiff 003F · W01002017
- 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
103 recorded
sales at this postcode
| Address | Date | Price |
|---|---|---|
| 29, The Dell, St Mellons, Cardiff, CF3 5DL | 19 September 2025 | £150,000 |
| 1, The Dell, St Mellons, Cardiff, CF3 5DL | 13 July 2023 | £125,000 |
| 28, The Dell, St Mellons, Cardiff, CF3 5DL | 3 July 2023 | £150,000 |
Schools
Within 5 km of this postcode
- Open schools
- 38
- Primary
- 0
- Secondary
- 0
- 538 m
St Mellons C.I.W. Primary School
Welsh establishment
- 552 m
St Johns College
Welsh establishment
- 707 m
St Cadoc's Primary School
Welsh establishment
Recorded crime
Within 1 mile of this postcode
- Published events
- 2,467
- Months covered
- 12
- Latest month
- June 2026
Most recorded categories in this period
- Violence and sexual offences 881
- Public order 308
- Shoplifting 305
- Anti social behaviour 272
- Criminal damage and arson 213
Census 2021
Population and age profile
- Postcode residents
- 83
- 45 female, 38 male
- Postcode households
- 40
- Residents per household
- 2.1
- 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 0.9% 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
- 2.6%
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, coverage at January 2026, version 2026-01-v2. Contains Ofcom data licensed under the Open Government Licence v3.0.
GP practices
10
within 5 km straight-line
BRYNDERWEN SURGERY
CRICKHOWELL ROAD, ST MELLONS, CARDIFF, CF3 0EF
ODS code W97006
1.2 km
WILLOWBROOK SURGERY
5 STRATHY ROAD, ST. MELLONS, CARDIFF, CF3 0SH
ODS code W97069
2.0 km
ST. DAVIDS MEDICAL CENTRE
PONTPRENNAU MEDICAL CENTR, PENTWYN DRIVE, CARDIFF, CF23 7SD
ODS code W97065
2.0 km
CYNCOED MEDICAL PRACTICE
DARTINGTON DRIVE, PONTPRENNAU, CARDIFF, CF23 8SQ
ODS code W97010
2.3 km
RUMNEY PRIMARY CARE CENTRE
BARMOUTH ROAD, RUMNEY, CARDIFF, CF3 3LG
ODS code W97027
2.7 km
LLANEDEYRN HEALTH CENTRE
LLAN HEALTHCARE, WELLBEING HUB @ MAELFA, ROUND WOOD, LLANEDEYRN, CARDIFF, CF23 9PF
ODS code W97008
2.9 km
FOUR ELMS MEDICAL CENTRE
STERLING CLOSE, FFORDD PENGAM PENGAM GREE, SPLOTT, CARDIFF, CF24 2HB
ODS code W97048
4.6 km
ROATH HOUSE SURGERY
100 PEN-Y-LAN ROAD, PENYLAN, CARDIFF, CF23 5RH
ODS code W97034
4.8 km
LLANISHEN COURT SURGERY
LLANISHEN COURT, LLANISHEN, CARDIFF, CF14 5YU
ODS code W97013
4.9 km
THE PENYLAN SURGERY
74 PEN-Y-LAN ROAD, CARDIFF, CF23 5SY
ODS code W97033
4.9 km
Nearby transport
- 156 m
Okehampton Avenue
BCT · Llanrumney
- 195 m
Arnold Avenue
BCT · Llanrumney
- 221 m
Bluebell Drive
BCT · Llanrumney
- 222 m
Arnold Avenue
BCT · Llanrumney
- 275 m
Bluebell Drive
BCT · Llanrumney
Evidence in context
Schools
38 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 538 m.
Counts describe active establishment records. They do not assess admissions, catchments or quality.
Recorded crime
2,467 published events cover 12 months, averaging 206 events per published month. The largest recorded category is Violence and sexual offences with 881 events.
The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.