CF40 postcode area guide — Rhondda Cynon Taf
House prices, crime, broadband speeds, mobile signal, schools and demographics for the CF40 postcode district in Rhondda Cynon Taf — every official dataset on one page.
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Where is CF40?
Broadband & internet speeds in CF40
Strong coverage
Superfast (30Mb+)
97.9%
Ultrafast (300Mb+)
67.2%
Gigabit-capable
67.2%
Below USO (10Mb)
0%
Broadband availability in the CF40 postcode district (Rhondda Cynon Taf) is Strong — superfast is near-universal and gigabit is rolling out. Across the 468 postcodes Ofcom measures in CF40, superfast broadband (30 Mbit/s or faster) reaches 97.9% of premises and gigabit-capable lines are available to 67.2%.
Around 0% of premises in CF40 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 CF40
| Postcode | Superfast | Gigabit |
|---|---|---|
| CF40 1AF | 100% | 100% |
| CF40 1AG | 50% | 0% |
| CF40 1AJ | 100% | 82.4% |
| CF40 1AL | 100% | 100% |
| CF40 1AN | 100% | 85.7% |
| CF40 1AP | 95.7% | 73.9% |
| CF40 1AR | 100% | 72.4% |
| CF40 1AS | 100% | 97.6% |
| CF40 1AT | 100% | 100% |
| CF40 1AU | 100% | 100% |
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 CF40
Police recorded 131 incidents within about a mile of the centre of CF40 in May 2026 (latest published street-level data). The breakdown:
| Category | Incidents | Share |
|---|---|---|
| Violence & sexual offences | 62 | 47.3% |
| Public order | 23 | 17.6% |
| Anti-social behaviour | 12 | 9.2% |
| Criminal damage & arson | 9 | 6.9% |
| Other theft | 8 | 6.1% |
| Shoplifting | 7 | 5.3% |
| Drugs | 3 | 2.3% |
| Other crime | 3 | 2.3% |
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 CF40
Based on 199 sales registered with HM Land Registry in the last 12 months, the median sold price in CF40 is £120,000, up 9.1% on the previous year (£110,000).
Detached
£260,000
10 sales
Semi-detached
£124,000
14 sales
Terraced
£112,500
168 sales
Latest recorded sales in CF40
| Date | Price | Type | Street | Postcode |
|---|---|---|---|---|
| 22 May 2026 | £193,500 | Terraced | Greenmeadow Terrace | CF40 1RJ |
| 15 May 2026 | £159,500 | Semi-detached | Salem Terrace | CF40 2JL |
| 8 May 2026 | £110,000 | Terraced | Penygraig Road | CF40 1HB |
| 8 May 2026 | £185,000 | Terraced | George Street | CF40 1QN |
| 8 May 2026 | £105,000 | Terraced | Rhondda Terrace | CF40 2JN |
| 8 May 2026 | £86,000 | Terraced | Mikado Street | CF40 1EJ |
| 6 May 2026 | £155,000 | Terraced | Ely Street | CF40 1BY |
| 1 May 2026 | £168,500 | Terraced | Thomas Street | CF40 1EU |
| 1 May 2026 | £140,000 | Terraced | Tylacelyn Road | CF40 1JR |
| 21 Apr 2026 | £166,500 | Terraced | Marjorie Street | CF40 2PQ |
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 CF40
| School | Phase | Ages | Pupils | Postcode |
|---|---|---|---|---|
| Alaw Primary School | Not applicable | — | — | CF40 2UU |
| Llwynypia Primary School | Not applicable | — | — | CF40 2HL |
| Pontrhondda Primary School | Not applicable | — | — | CF40 2SZ |
| Trealaw Primary School | Not applicable | — | — | CF40 2QW |
| Williamstown Primary School | Not applicable | — | — | CF40 1AG |
| St Gabriel & Raphael R.C.P. School | Not applicable | — | — | CF40 1BJ |
| Tai Educational Centre | Not applicable | — | — | CF40 1HL |
| Cwmclydach Primary | Not applicable | — | — | CF40 2BQ |
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 CF40
151 rated food businesses operate in CF40. 80 hold the top rating of 5, 35 are rated 4, and 7 are rated 2 or below.
Among the 5-rated: 3S Convenience Store, Alaw Primary School, Asda Stores Ltd, Aubrey Road Store, Autism Life Centres.
Source: Food Standards Agency, food hygiene ratings (FHRS) open data.
Energy performance (EPC) in CF40
From a sample of 159 Energy Performance Certificates across 9 CF40 postcodes, the most common rating is band D (average band D). 19% of sampled homes are rated C or better.
Band B
3%
Band C
16%
Band D
45%
Band E
27%
Band F
6%
Band G
3%
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 CF40 typically use:
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What's it like living in CF40?
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Moving to CF40? Sort your connectivity first
We arrange broadband, full-fibre, leased lines, VoIP and business mobiles across Rhondda Cynon Taf — free, no-obligation quote.
Postcodes in CF40
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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.