CF45 4BB, Mountain Ash
Mountain Ash, Rhondda Cynon Taf
- Council
- Rhondda Cynon Taf
- Neighbourhood
- Rhondda Cynon Taf 006A
- Constituency
- Pontypridd
- Ward
- Mountain Ash
At a glance
7 of 10 stand out from the national average: crime, air quality, green space, house prices, housing & households, transport, broadband.
- AffluenceAround average for Wales.
- Work & educationAround the average share of residents in work for Wales.
- CrimeLess recorded crime than most areas in Wales.
- Air qualityNitrogen dioxide here is at or below the WHO's guideline level for negligible health risk.
- Green spaceRight by a green space — a few minutes' walk at most.
- House pricesAmong the cheapest areas in Wales for house prices.
- Housing & householdsMore homeowners than most areas in Wales.
- DemographicsAround the average share of residents reporting good health for Wales.
- TransportRight by a stop — a few minutes' walk at most.
- BroadbandNearly all premises here can get gigabit broadband.
Where this is
- Accuracy
- Located to a building in this postcode
- Coordinates
- 51.6861, -3.3765
Affluence
Around average for Wales.
Better off than 53 in 100 Welsh neighbourhoods
Group 6 of 10.
Affluence profile
Compared with
- 37 places in 100 higher than Rhondda Cynon Taf
- About the same as the Wales midpoint
Here 53 out of 100 · Rhondda Cynon Taf 16 out of 100 · Wales midpoint 50 out of 100
Work & education
Around the average share of residents in work for Wales.
60.6%
Higher than 68 in 100 neighbourhoods in Wales
Group 7 of 10.
Highest qualification
- Degree level29.4%
- Apprenticeship / A-level21.1%
- GCSE level / other30.4%
- No qualifications19.1%
Occupation
- Professional38.7%
- Admin & trades23.5%
- Care & service20.2%
- Plant & elementary17.6%
Work
Compared with
- 7.5 points above Rhondda Cynon Taf
- 3.3 points above Wales
Here 60.6% · Rhondda Cynon Taf 53.1% · the average Welsh neighbourhood 57.3%
Crime
Less recorded crime than most areas in Wales.
32.1 per 1,000 residents
Lower than 82 in 100 neighbourhoods in Wales
Group 9 of 10.
Crime profile
Show 8 moreShow fewer
Compared with
- 63% below the Rhondda Cynon Taf rate
- About a third of the Wales rate
Here 32.1 per 1,000 residents · Rhondda Cynon Taf 86.1 per 1,000 · the average Welsh neighbourhood 93.3 per 1,000
Environment
Air quality
Nitrogen dioxide here is at or below the WHO's guideline level for negligible health risk.
6.3µg/m³
Band 10 of 10.
Air quality profile
Compared with
- About the same as the Rhondda Cynon Taf figure
- About two thirds of the Wales figure
Here 6.3µg/m³ · Rhondda Cynon Taf 6.42 · the average Welsh neighbourhood 9.14
Green space
Right by a green space — a few minutes' walk at most.
under 0.1 miles
Straight-line distance — closer than 66 in 100 postcodes in Wales.
Band 10 of 10.
Nearest green space
Straight-line distance from the postcode — not a walking or driving route.
- Aberffrwd CemeteryCemeteryunder 0.1 miles
- Caerdrawnant Recreation GroundPlaying field0.2 miles
- Bowling green0.2 miles
House prices & ownership
House prices
Among the cheapest areas in Wales for house prices.
£132,000
Higher than 7 in 100 neighbourhoods in Wales
Group 1 of 10.
House prices profile
Compared with
- 10% below the Rhondda Cynon Taf average
- About half the Wales average
Here £132,000 · Rhondda Cynon Taf £146,750 · the average Welsh neighbourhood £287,500
Housing & households
More homeowners than most areas in Wales.
77.7%
Higher than 72 in 100 neighbourhoods in Wales
Group 8 of 10.
Housing tenure
- Owner-occupied77.7%
- Private rented18.5%
- Social rented3.8%
Household type
- Living alone28.2%
- Couples, no children21.7%
- With children27.5%
- Other households22.6%
Home size (bedrooms)
- 1 bedroom1.6%
- 2 bedrooms26.7%
- 3 bedrooms57.6%
- 4+ bedrooms14.1%
Cars and vans
- No car16.7%
- One car41.9%
- Two or more cars41.4%
Compared with
- 9.1 points above Rhondda Cynon Taf
- 15.5 points above Wales
Here 77.7% · Rhondda Cynon Taf 68.6% · the average Welsh neighbourhood 62.2%
Who lives here
Demographics
Around the average share of residents reporting good health for Wales.
80.8%
Higher than 39 in 100 neighbourhoods in Wales
Group 4 of 10.
Age
- Aged under 1516.0%
- Aged 65+17.5%
- Aged 15–6466.5%
Ethnic group
- White98.3%
- Asian1.0%
- Black0.2%
- Mixed0.5%
Country of birth
- Born in UK97.1%
- Born in Europe1.7%
- Middle East & Asia0.9%
- Born in Africa0.2%
- Americas & Caribbean0.2%
Religion
- Christian41.5%
- No religion51.7%
- Muslim0.1%
- Hindu0.3%
- Other religions0.9%
- Not answered5.6%
Health & language
Compared with
- 4.7 points above Rhondda Cynon Taf
- 1.0 points below Wales
Here 80.8% · Rhondda Cynon Taf 76.1% · the average Welsh neighbourhood 81.8%
Politics
How this postcode’s constituency voted at the general election on 4 July 2024. A constituency is a large area — around 70,000 voters — so this describes a much wider patch than the street. These are simply the votes as counted: nothing here is ranked, scored, or compared with anywhere else.
- Constituency
- Pontypridd
- MP
- Alex Davies-Jones (Labour)
- Result
- Lab hold
Vote share, 2024 general election
- Labour41.2%
- Reform UK19.9%
- Plaid Cymru13.4%
- Conservative9.6%
- Other candidates7.1%
- Green4.7%
- Liberal Democrat4.1%
- Majority
- 8,402 votes
- Turnout
- 51.8% of 75,951 electors
General election 2024 results by constituency (CBP-10009) · House of Commons Library
Open Parliament Licence v3.0 · Data from July 2024
Transport
Right by a stop — a few minutes' walk at most.
0.1 miles
Straight-line distance — closer than 42 in 100 postcodes in Wales.
Band 10 of 10.
Nearest transport
Straight-line distance from the postcode — not a walking or driving route.
- Cae Garw Primary SchoolBus stop0.1 miles
- Lady Aberdare FlatsBus stop0.1 miles
- Mountain Ash Town HallBus stop0.2 miles
Broadband
Nearly all premises here can get gigabit broadband.
100.0%
Band 10 of 10.
Broadband profile
Compared with
- 28.3 points above Rhondda Cynon Taf
- 15.6 points above Wales
Here 100.0% · Rhondda Cynon Taf 71.7% · the average Welsh neighbourhood 84.4%
Not shown for this postcode
4 measures are not shown for this postcode: Income, Flood risk, Road noise, Schools. Either the figures are not published as open data for Wales, or we have not added them yet — the Sources list below says which applies to each. Nothing here is a finding about this postcode: a measure being absent does not mean the risk is low, only that we would rather show you nothing than a number we cannot stand behind.
Nearby postcodes
All postcodes in CF45Sources & last updated
Every figure on this page comes from official published data. Nothing is modelled by us, estimated by us, or bought from a private provider.
| Dataset | Published by | Geography | Data from |
|---|---|---|---|
| Welsh Index of Multiple Deprivation 2019 — index and domain ranks by small areaOGL-3.0 | Welsh Government | neighbourhood (LSOA) | November 2019 |
| Census 2021 bulk topic-summary tablesOGL-3.0 | Office for National Statistics (via Nomis) | neighbourhood (LSOA) | March 2021 |
| Street-level crime, outcomes and stop-and-search dataOGL-3.0 | Home Office (data.police.uk) | neighbourhood (LSOA) | June 2026 |
| UK-AIR modelled background pollution maps (NO2, PM2.5, PM10)OGL-3.0 | Department for Environment, Food & Rural Affairs (Defra) | postcode | December 2024 |
| OS Open GreenspaceOGL-3.0 | Ordnance Survey | postcode | August 2026 |
| Price Paid DataOGL-3.0 | HM Land Registry | neighbourhood (LSOA) | August 2026 |
| National Public Transport Access Nodes (NaPTAN)OGL-3.0 | Department for Transport | postcode | August 2026 |
| Connected Nations 2025 — fixed broadband & mobile coverageOGL-3.0 | Ofcom | postcode | July 2025 |
| General election 2024 results by constituency (CBP-10009)Open Parliament Licence | House of Commons Library | Westminster constituency | July 2024 |
Full licence and attribution notices (9)Hide licence notices
Contains public sector information licensed under the Open Government Licence v3.0. Welsh Index of Multiple Deprivation 2019, Welsh Government.
Contains public sector information licensed under the Open Government Licence v3.0. Census 2021, Office for National Statistics.
Contains public sector information licensed under the Open Government Licence v3.0. Crime and outcome data, data.police.uk / Home Office.
Contains public sector information licensed under the Open Government Licence v3.0. UK-AIR background pollution maps, Defra.
Contains OS data © Crown copyright and database right 2026.
Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
Contains public sector information licensed under the Open Government Licence v3.0. NaPTAN, Department for Transport.
Contains information from Ofcom, Connected Nations 2025, © Ofcom, licensed under the Open Government Licence v3.0.
Contains Parliamentary information licensed under the Open Parliament Licence v3.0. General election 2024 results, House of Commons Library.
Before you rely on this
- It describes an area, not a property
- Almost every figure here covers a whole neighbourhood — typically 1,000 to 3,000 people — or the nearest point to a postcode, which itself covers about fifteen addresses. Two houses on the same street can differ in ways no area statistic will ever show. Nothing on this page is a statement about any particular home, its condition, or its value.
- It is published data, not our opinion
- We do not model, estimate, score or predict anything ourselves. Every figure is reproduced from an official government dataset, and each one names that dataset and the period the data describes. Official data is released in arrears, so the most recent figure available may be months or years old, and conditions on the ground may have changed since.
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- This is not a property survey or valuation, not a conveyancing or local authority search, not a flood risk assessment, and not financial, insurance, mortgage, legal or investment advice. It does not replace any of them, and it is not regulated as any of them.
- Check the official source before you commit
- Before you exchange contracts, sign a tenancy, or buy or decline insurance, take advice from a qualified professional and check the live official source — every figure links to the one it came from. Where safety is involved, go to the authoritative service directly: flood warnings, for example, are issued live by the Environment Agency and are not reproduced here.
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Full disclaimer · Last updated 11 August 2026