CF23 5NF Cardiff
Live postcode, introduced June 1999. Ward: Penylan.
Streets
- Clos Edno, Cardiff / Caerdydd: 7 addresses
Council tax
What each band costs in Cardiff in 2026-27: Band D £2,013 a year on average, including the police and community council charges.
| A | B | C | D | E | F | G | H | I |
|---|---|---|---|---|---|---|---|---|
| £1,342 | £1,566 | £1,789 | £2,013 | £2,461 | £2,908 | £3,355 | £4,026 | £4,697 |
Homes by band in the neighbourhood around this postcode: most are in band F (35% of about 710 homes).
Planning and heritage
- Conservation area: no postcode centre in this postcode is in one.
- Listed buildings within 100 m of this postcode: none.
- Article 4 directions, tree preservation orders and green belt: Wales has no national record of these; the council's planning department holds them.
Flood risk
Rivers, the sea or surface water: of the 7 address points in this postcode, 1 at high risk, 0 at medium risk and 2 at low risk. Each counts once, at the higher of its rivers-and-sea and surface-water risk.
Rivers and the sea alone: none is in an area at risk. Surface water and small watercourses alone: 1 at high risk, 0 at medium risk and 2 at low risk.
High: 3.3% (1 in 30) or more chance of flooding a year. Medium: 1% to 3.3%. Low: 0.1% to 1%. The map allows for flood defences. Address points are every property record (UPRN) in the postcode, each counted if it is in an area or within 5 m of one (the maps stop at building walls); a few are not homes, such as garages, business units or caravan pitches. Counts cover whole postcodes, which can include other streets.
Flood zone for planning: no postcode centre is in flood zone 2 or 3. Welsh zones include an allowance for climate change.
Height above sea level
The postcode's 7 addresses are between 55 m and 58 m above sea level (56 m on average).
Broadband
Superfast 100%, ultrafast 100%, gigabit 100% of premises; 0% cannot get 10 Mbit/s. Ofcom Connected Nations, data as at January 2026.
Getting around
| Nearest | Distance | |
|---|---|---|
| Railway stations | Heath Low Level 48,000 journeys in 2024–25 | 1.3 km |
| Heath High Level 425,000 journeys in 2024–25 | 1.4 km | |
| Cathays 934,000 journeys in 2024–25 | 2.3 km | |
| Bus stops | 10 stops within 400 m, 59 within 800 m; nearest Cefn Coed Crescent Cyncoed | 120 m |
| Bus or coach station | Cardiff Bus Interchange Bay 14 Cardiff Bus Station | 3.5 km |
| Ferry terminal | Cardiff Castle Waterbus Stop | 3.2 km |
| Car parks | 1 within 800 m; nearest Cyncoed Campus Car Park | 280 m |
| EV charging points | 3 within 1.6 km; nearest Pennsylvania Avenue | 1.0 km |
| Airport with scheduled flights | Cardiff International Airport CWL | 17.4 km |
Local services
| Nearest | Distance | |
|---|---|---|
| GP surgeries | 4 practices within 1.6 km; nearest Roath House Surgery | 1.1 km |
| Pharmacies | 7 pharmacies within 1.6 km; nearest Lakeside Pharmacy | 800 m |
| NHS dentists | 4 practices within 1.6 km; nearest Lakeside Dental Practice | 930 m |
| Hospital | Bft Southmead University Hospital Of Wales | 1.5 km |
| Police station | Llanedeyrn Police Station | 1.2 km |
| Cash machines | Premier, Heath | 1.1 km |
Parks and green space
| Nearest | Distance | |
|---|---|---|
| Park or garden | 3 within 800 m; nearest Sovereign Chase 1.0 ha | 70 m |
| Largest park within 800 m | Roath Park 38 ha | 450 m |
| Play area | 3 within 800 m; nearest Unnamed 240 m² | 120 m |
| Playing field | 1 within 800 m; nearest Unnamed 1.9 ha | 600 m |
| Allotments | 1 within 800 m; nearest Unnamed 2.7 ha | 390 m |
Within 800 m: 3 parks and gardens, 40 hectares in all.
Landmarks
The nearest historic landmark is Roath Park, a registered park or garden (Grade I), 250 m west. 20 listed buildings are within 1.0 km.
| Name | What it is | From the postcode's centre |
|---|---|---|
| Roath Park | Registered park or garden, Grade I | 250 m west |
| Pen y lan Roman Site | Scheduled monument | 1.0 km south-east |
| Cathays Cemetery | Registered park or garden, Grade II* | 1.1 km south-west |
| Name | What it is | From the postcode's centre |
|---|---|---|
| Queen Wood | Wood | 510 m east |
| The Lake | Lake or reservoir | 620 m north-west |
| Swan Mear Wood | Wood | 750 m north |
| Well Wood | Wood | 770 m east |
| Coed Edeyrn | Wood | 840 m east |
| Nant Pant-Bach | Valley | 1.6 km east |
Air quality
| Pollutant | Here | UK limit | WHO guideline |
|---|---|---|---|
| Nitrogen dioxide (NO2) | 11.9 | 40 | 10 |
| Fine particles (PM2.5) | 5.9 | 20 | 5 |
| Particles (PM10) | 9.5 | 40 | 15 |
All three are within the UK legal limits; nitrogen dioxide and PM2.5 are above the WHO guideline, as in most towns and cities.
Road and rail noise
| Level | Road traffic | Railways |
|---|---|---|
| Under 55 | 7 | 7 |
None of the postcode's 7 addresses is modelled at 55 dB or more from road or rail traffic.
People and work
Who lives here
| Around this postcode | Wales | |
|---|---|---|
| Median age | 51 | 43 |
| Children under 15 | 17% | 17% |
| Aged 65 and over | 21% | 21% |
Homes
| Around this postcode | Wales | |
|---|---|---|
| Owned (outright or with a mortgage) | 93% | 66% |
| Owned outright | 55% | 38% |
| Shared ownership | 0% | under 1% |
| Social rented | 1% | 17% |
| Private rented | 6% | 17% |
Work and commuting
| Around this postcode | Wales | |
|---|---|---|
| Adults (16 and over) in work | 56% | 54% |
| Unemployment (of those working or looking for work) | 2% | 6% |
| Retired (of adults) | 27% | 25% |
| Long-term sick or disabled (of adults) | 2% | 6% |
| Work mainly from home (of those in work) | 43% | 26% |
| Travel to work by car or van | 51% | 61% |
| By train, Underground, metro or tram | 2% | under 1% |
| By any public transport, including bus | 2% | 3% |
| On foot or by bicycle | 4% | 8% |
| Work within 10 km of home (of those who travel to work) | 62% | 60% |
| Work 30 km or more away | 9% | 10% |
Education and languages
| Around this postcode | Wales | |
|---|---|---|
| Degree or other higher qualification, Level 4+ (of adults) | 61% | 32% |
| No qualifications | 8% | 20% |
| Apprenticeship as highest qualification | 4% | 6% |
| Main language English or Welsh (aged 3 and over) | 91% | 97% |
| Cannot speak English well or at all | under 1% | under 1% |
Deprivation
The neighbourhood around this postcode is in decile 10 of 10 on the Welsh Index of Multiple Deprivation 2025, where 1 is the most deprived tenth of Wales's 1,917 neighbourhoods and 10 the least.
The full dossier for this postcode's main street is on Clos Edno.