CF45 3HB Rhondda Cynon Taf
Live postcode, introduced January 1980. Ward: Mountain Ash.
Streets
- Oxford Street, Mountain Ash / Aberpennar: 57 addresses
- Darran Road, Mountain Ash / Aberpennar: 1 address
- Henry Street, Mountain Ash / Aberpennar: 1 address
Council tax
What each band costs in Rhondda Cynon Taf in 2026-27: Band D £2,289 a year on average, including the police and community council charges.
| A | B | C | D | E | F | G | H | I |
|---|---|---|---|---|---|---|---|---|
| £1,526 | £1,781 | £2,035 | £2,289 | £2,798 | £3,307 | £3,816 | £4,579 | £5,342 |
Homes by band in the neighbourhood around this postcode: most are in band A (54% of about 720 homes).
Planning and heritage
- Conservation area: no postcode centre in this postcode is in one.
- Listed buildings within 100 m of this postcode: 2.
- Article 4 directions, tree preservation orders and green belt: Wales has no national record of these; the council's planning department holds them.
Listed buildings
- Elim Pentecostal Church, grade II*
- Mountain Ash Workman's Club and Institute, grade II
Flood risk
Rivers, the sea or surface water: of the 59 address points in this postcode, 0 at high risk, 0 at medium risk and 35 at low risk. Each counts once, at the higher of its rivers-and-sea and surface-water risk.
Rivers and the sea alone: 0 at high risk, 0 at medium risk and 27 at low risk. Surface water and small watercourses alone: 0 at high risk, 0 at medium risk and 25 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 59 addresses are between 108 m and 112 m above sea level (110 m on average).
Broadband
Superfast 95%, ultrafast 83%, gigabit 83% of premises; 0% cannot get 10 Mbit/s. Ofcom Connected Nations, data as at January 2026.
Getting around
| Nearest | Distance | |
|---|---|---|
| Railway stations | Mountain Ash 131,000 journeys in 2024–25 | 160 m |
| Fernhill 27,000 journeys in 2024–25 | 1.3 km | |
| Penrhiwceiber 46,000 journeys in 2024–25 | 1.8 km | |
| Bus stops | 16 stops within 400 m, 28 within 800 m; nearest Oxford Street Mountain Ash | 20 m |
| Bus or coach station | Treharris Bus Station 1 | 5.4 km |
| EV charging points | 3 within 1.6 km; nearest Henry Street Car Park 1 | 130 m |
| Airport with scheduled flights | Cardiff International Airport CWL | 31.8 km |
Local services
| Nearest | Distance | |
|---|---|---|
| GP surgeries | 2 practices within 1.6 km; nearest Meddygfa Glan Cynon Surge | 100 m |
| Pharmacies | 2 pharmacies within 1.6 km; nearest Knights Mountain Ash Pharmacy | 100 m |
| NHS dentists | 2 practices within 1.6 km; nearest Dental Surgery | 0 m |
| Hospital | Ysbyty Cwm Cynon | 1.1 km |
| Police station | South Wales Police | 280 m |
| Cash machines | 3 machines within 800 m; nearest ATM | 50 m |
Parks and green space
| Nearest | Distance | |
|---|---|---|
| Park or garden | 2 within 800 m; nearest Unnamed 590 m² | 180 m |
| Largest park within 800 m | Victoria Pleasure Grounds 3.0 ha | 310 m |
| Play area | 6 within 800 m; nearest Unnamed 170 m² | 30 m |
| Playing field | 4 within 800 m; nearest Unnamed 2.5 ha | 260 m |
| Allotments | 7 within 800 m; nearest Unnamed 1,840 m² | 550 m |
Within 800 m: 2 parks and gardens, 3.0 hectares in all.
Landmarks
The nearest historic landmark is Elim Pentecostal Church, a listed building (Grade II*), 70 m north-west. 7 listed buildings are within 1.0 km, 1 of them Grade II*.
| Name | What it is | From the postcode's centre |
|---|---|---|
| Elim Pentecostal Church | Listed building, Grade II* | 70 m north-west |
| Ring Cairn 350m W of Penrhiw Caradoc, Llanwonno | Scheduled monument | 1.2 km south-west |
| Brynbychan Round Cairn | Scheduled monument | 1.5 km east |
| Aberfan: Cemetery, Garden of Remembrance and Former Tip and Slide Area | Registered park or garden, Grade II* | 2.2 km north-east |
| Name | What it is | From the postcode's centre |
|---|---|---|
| Cwm Cynon | Valley | 40 m |
| Penrhiw-fer Plantation | Wood | 680 m south-west |
| Graig-hwnt Plantation | Wood | 950 m west |
| Coed Penrhiw-Cradoc | Wood | 1.0 km south |
| Twyn Brynbychan | Hill | 1.5 km east |
| Clydach Reservoir | Lake or reservoir | 3.1 km south-west |
Air quality
| Pollutant | Here | UK limit | WHO guideline |
|---|---|---|---|
| Nitrogen dioxide (NO2) | 6.3 | 40 | 10 |
| Fine particles (PM2.5) | 5.2 | 20 | 5 |
| Particles (PM10) | 7.9 | 40 | 15 |
All three are within the UK legal limits; PM2.5 is above the WHO guideline, as in most towns and cities.
Road and rail noise
| Level | Road traffic | Railways |
|---|---|---|
| 60 to 64 | 9 | 0 |
| 55 to 59 | 28 | 0 |
| Under 55 | 22 | 59 |
37 of the postcode's 59 addresses are modelled at 55 dB or more from road traffic, above the WHO guidelines.
People and work
Who lives here
| Around this postcode | Wales | |
|---|---|---|
| Median age | 47 | 43 |
| Children under 15 | 15% | 17% |
| Aged 65 and over | 25% | 21% |
Homes
| Around this postcode | Wales | |
|---|---|---|
| Owned (outright or with a mortgage) | 64% | 66% |
| Owned outright | 41% | 38% |
| Shared ownership | 0% | under 1% |
| Social rented | 4% | 17% |
| Private rented | 32% | 17% |
Work and commuting
| Around this postcode | Wales | |
|---|---|---|
| Adults (16 and over) in work | 52% | 54% |
| Unemployment (of those working or looking for work) | 9% | 6% |
| Retired (of adults) | 23% | 25% |
| Long-term sick or disabled (of adults) | 12% | 6% |
| Work mainly from home (of those in work) | 10% | 26% |
| Travel to work by car or van | 64% | 61% |
| By train, Underground, metro or tram | 5% | under 1% |
| By any public transport, including bus | 12% | 3% |
| On foot or by bicycle | 14% | 8% |
| Work within 10 km of home (of those who travel to work) | 60% | 60% |
| Work 30 km or more away | 7% | 10% |
Education and languages
| Around this postcode | Wales | |
|---|---|---|
| Degree or other higher qualification, Level 4+ (of adults) | 18% | 32% |
| No qualifications | 30% | 20% |
| Apprenticeship as highest qualification | 7% | 6% |
| Main language English or Welsh (aged 3 and over) | 98% | 97% |
| Cannot speak English well or at all | 0% | under 1% |
Deprivation
The neighbourhood around this postcode is in decile 3 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 Oxford Street.