CF42 postcode area guide — Rhondda Cynon Taf
House prices, crime, broadband speeds, mobile signal, schools and demographics for the CF42 postcode district in Rhondda Cynon Taf — every official dataset on one page.
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Where is CF42?
Broadband & internet speeds in CF42
Strong coverage
Superfast (30Mb+)
98.1%
Ultrafast (300Mb+)
29.7%
Gigabit-capable
29.7%
Below USO (10Mb)
0.3%
Broadband availability in the CF42 postcode district (Rhondda Cynon Taf) is Strong — superfast is near-universal and gigabit is rolling out. Across the 312 postcodes Ofcom measures in CF42, superfast broadband (30 Mbit/s or faster) reaches 98.1% of premises and gigabit-capable lines are available to 29.7%.
Around 0.3% of premises in CF42 fall below the Universal Service Obligation (a minimum of 10 Mbit/s download and 1 Mbit/s upload), so the overwhelming majority of homes and businesses here can already order a decent fixed line. For a business that depends on its connection, the figures that matter most are gigabit and full-fibre availability — the symmetric, low-contention services we quote leased lines and FTTP against.
Sample postcodes in CF42
| Postcode | Superfast | Gigabit |
|---|---|---|
| CF42 5AA | 100% | 66.7% |
| CF42 5AB | 100% | 0% |
| CF42 5AD | 100% | 0% |
| CF42 5AE | 100% | 100% |
| CF42 5AF | 100% | 70% |
| CF42 5AG | 100% | 0% |
| CF42 5AH | 100% | 0% |
| CF42 5AL | 100% | 52.9% |
| CF42 5AP | 100% | 0% |
| CF42 5AQ | 100% | 0% |
Run a speed test to see what you're actually getting, or check your exact postcode.
Mobile signal around Rhondda Cynon Taf
Ofcom's coverage model for the wider Rhondda Cynon Taf district (121,272 premises):
4G indoors — all networks
93.1%
4G outdoors — all networks
99.2%
5G outdoors — all networks
0.1%
Voice indoors — all networks
94.6%
Signal varies street by street — use the mobile coverage checker to compare EE, O2, Three and Vodafone at an exact postcode.
Crime in CF42
Police recorded 69 incidents within about a mile of the centre of CF42 in May 2026 (latest published street-level data). The breakdown:
| Category | Incidents | Share |
|---|---|---|
| Violence & sexual offences | 29 | 42.0% |
| Public order | 13 | 18.8% |
| Anti-social behaviour | 9 | 13.0% |
| Drugs | 4 | 5.8% |
| Vehicle crime | 4 | 5.8% |
| Other theft | 3 | 4.3% |
| Criminal damage & arson | 2 | 2.9% |
| Shoplifting | 2 | 2.9% |
Raw counts favour busy town centres — a high street with shops and nightlife records more incidents than a residential cul-de-sac. Source: police.uk open data (point sample around the district centroid).
House prices in CF42
Based on 188 sales registered with HM Land Registry in the last 12 months, the median sold price in CF42 is £107,000, essentially flat on the previous year (£107,500).
Detached
£320,000
11 sales
Semi-detached
£130,000
14 sales
Terraced
£99,500
158 sales
Latest recorded sales in CF42
| Date | Price | Type | Street | Postcode |
|---|---|---|---|---|
| 18 May 2026 | £60,000 | Semi-detached | Wyndham Street | CF42 5BS |
| 11 May 2026 | £93,000 | Terraced | Chapel Street | CF42 5EA |
| 8 May 2026 | £72,500 | Terraced | Treharne Street | CF42 6LH |
| 7 May 2026 | £137,500 | Terraced | Bute Street | CF42 5NY |
| 6 May 2026 | £115,000 | Terraced | Woodland Terrace | CF42 6EA |
| 1 May 2026 | £112,000 | Terraced | Conway Road | CF42 6UR |
| 30 Apr 2026 | £68,500 | Terraced | Ynyswen Road | CF42 6EB |
| 30 Apr 2026 | £146,000 | Terraced | Bute Street | CF42 5NU |
| 23 Apr 2026 | £115,000 | Terraced | Painters Row | CF42 5AU |
| 10 Apr 2026 | £170,000 | Terraced | Ynyswen Road | CF42 6EE |
Contains HM Land Registry data © Crown copyright and database right 2026, licensed under the Open Government Licence v3.0.
Who lives here? Rhondda Cynon Taf demographics
Census 2021 figures for the wider Rhondda Cynon Taf district (237,651 residents, 103,339 households):
| Age profile | |
|---|---|
| Under 15 | 18.4% |
| 15–29 | 23.5% |
| 30–44 | 18.3% |
| 45–64 | 20.2% |
| 65+ | 19.6% |
| Housing tenure | |
|---|---|
| Owner-occupied | 68.4% |
| Private rented | 17.8% |
| Social rented | 8.2% |
Source: ONS Census 2021 (district level — the finest openly licensed cut we republish). © Crown copyright, OGL v3.0.
Schools in and around CF42
| School | Phase | Ages | Pupils | Postcode |
|---|---|---|---|---|
| Parc Primary School | Not applicable | — | — | CF42 6LY |
| Treorchy Primary School | Not applicable | — | — | CF42 6SA |
| Ysgol G.G. Ynyswen | Not applicable | — | — | CF42 6ED |
| Penpych Community Primary School | Not applicable | — | — | CF42 5SD |
| Treorchy Comprehensive School | Not applicable | — | — | CF42 6UL |
| Penyrenglyn Primary School | Not applicable | — | — | CF42 5AF |
Source: DfE Get Information about Schools (England & Wales). Check Ofsted report cards for inspection detail — headline one-word grades were retired in 2024.
Food hygiene ratings in CF42
120 rated food businesses operate in CF42. 62 hold the top rating of 5, 31 are rated 4, and 4 are rated 2 or below.
Among the 5-rated: Annettes, Autism Life Centres, Big Bocs Bwyd Penpych, Blaenrhondda Social Club, Cafe Cafe.
Source: Food Standards Agency, food hygiene ratings (FHRS) open data.
Energy performance (EPC) in CF42
From a sample of 280 Energy Performance Certificates across 11 CF42 postcodes, the most common rating is band D (average band D). 26% of sampled homes are rated C or better.
Band B
1%
Band C
24%
Band D
52%
Band E
17%
Band F
5%
Band G
1%
Source: MHCLG Energy Performance of Buildings Data (England & Wales), sampled at postcode level and refreshed monthly. Individual certificates are on each postcode’s page.
Phone area codes for Rhondda Cynon Taf
Landlines around CF42 typically use:
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What's it like living in CF42?
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Moving to CF42? Sort your connectivity first
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Postcodes in CF42
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Frequently asked questions
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Sources: HM Land Registry Price Paid Data, police.uk street-level crime, Ofcom Connected Nations, ONS Census 2021, DfE Get Information about Schools, Food Standards Agency FHRS — all © Crown copyright, licensed under the Open Government Licence v3.0. Figures are area aggregates; individual addresses vary. Energy performance (EPC) data will be added when our Open Data Communities registration is approved.