CF15 postcode area guide — Caerphilly
House prices, crime, broadband speeds, mobile signal, schools and demographics for the CF15 postcode district in Caerphilly — every official dataset on one page.
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Where is CF15?
Broadband & internet speeds in CF15
Strong coverage
Superfast (30Mb+)
96.6%
Ultrafast (300Mb+)
45%
Gigabit-capable
42.8%
Below USO (10Mb)
0%
Broadband availability in the CF15 postcode district (Caerphilly) is Strong — superfast is near-universal and gigabit is rolling out. Across the 496 postcodes Ofcom measures in CF15, superfast broadband (30 Mbit/s or faster) reaches 96.6% of premises and gigabit-capable lines are available to 42.8%.
Around 0% of premises in CF15 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 CF15
| Postcode | Superfast | Gigabit |
|---|---|---|
| CF15 7AB | 100% | 0% |
| CF15 7AD | 0% | 0% |
| CF15 7AE | 100% | 100% |
| CF15 7AS | 100% | 0% |
| CF15 7AT | 100% | 0% |
| CF15 7HU | 100% | 0% |
| CF15 7HW | 100% | 0% |
| CF15 7HX | 100% | 0% |
| CF15 7JD | 94.4% | 0% |
| CF15 7JE | 100% | 100% |
Run a speed test to see what you're actually getting, or check your exact postcode.
Mobile signal around Caerphilly
Ofcom's coverage model for the wider Caerphilly district (84,902 premises):
4G indoors — all networks
94.3%
4G outdoors — all networks
99.9%
5G outdoors — all networks
6%
Voice indoors — all networks
96.8%
Signal varies street by street — use the mobile coverage checker to compare EE, O2, Three and Vodafone at an exact postcode.
Crime in CF15
Police recorded 35 incidents within about a mile of the centre of CF15 in May 2026 (latest published street-level data). The breakdown:
| Category | Incidents | Share |
|---|---|---|
| Shoplifting | 12 | 34.3% |
| Violence & sexual offences | 12 | 34.3% |
| Public order | 5 | 14.3% |
| Anti-social behaviour | 2 | 5.7% |
| Criminal damage & arson | 2 | 5.7% |
| Vehicle crime | 1 | 2.9% |
| Other crime | 1 | 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 CF15
Based on 191 sales registered with HM Land Registry in the last 12 months, the median sold price in CF15 is £355,000, up 14.5% on the previous year (£310,000).
Detached
£460,000
73 sales
Semi-detached
£350,000
43 sales
Terraced
£264,950
49 sales
Flat / maisonette
£175,000
18 sales
Latest recorded sales in CF15
| Date | Price | Type | Street | Postcode |
|---|---|---|---|---|
| 22 May 2026 | £475,500 | Detached | Bryn Calch | CF15 8FD |
| 14 May 2026 | £370,000 | Detached | Parc Y Bryn | CF15 9SE |
| 6 May 2026 | £362,500 | Semi-detached | Glan Yr Afon | CF15 9HP |
| 1 May 2026 | £485,000 | Semi-detached | St John Avenue | CF15 8GS |
| 28 Apr 2026 | £475,000 | Detached | Goetre Fawr | CF15 8ET |
| 28 Apr 2026 | £305,000 | Terraced | Goetre Fawr | CF15 8ET |
| 24 Apr 2026 | £770,000 | Semi-detached | Drysgol Road | CF15 8BS |
| 24 Apr 2026 | £187,000 | Terraced | Glan Y Ffordd | CF15 7SL |
| 20 Apr 2026 | £135,000 | Flat | Cardiff Road | CF15 7SR |
| 20 Apr 2026 | £110,000 | Flat | Cardiff Road | CF15 7SR |
Contains HM Land Registry data © Crown copyright and database right 2026, licensed under the Open Government Licence v3.0.
Who lives here? Caerphilly demographics
Census 2021 figures for the wider Caerphilly district (175,952 residents, 76,255 households):
| Age profile | |
|---|---|
| Under 15 | 18.5% |
| 15–29 | 22.1% |
| 30–44 | 18.7% |
| 45–64 | 20.7% |
| 65+ | 20.1% |
| Housing tenure | |
|---|---|
| Owner-occupied | 67.5% |
| Private rented | 13.4% |
| Social rented | 5.6% |
Source: ONS Census 2021 (district level — the finest openly licensed cut we republish). © Crown copyright, OGL v3.0.
Schools in and around CF15
| School | Phase | Ages | Pupils | Postcode |
|---|---|---|---|---|
| Ffynnon Taf Primary School | Not applicable | — | — | CF15 7PR |
| Ysgol Gynradd Gwaelod-Y-Garth | Not applicable | — | — | CF15 9HJ |
| Radyr Primary School | Not applicable | — | — | CF15 8DF |
| Tongwynlais Primary School | Not applicable | — | — | CF15 7LF |
| Bryn Deri Primary School | Not applicable | — | — | CF15 8RD |
| Pentyrch Primary School | Not applicable | — | — | CF15 9QL |
| Creigiau Primary School | Not applicable | — | — | CF15 9NN |
| Radyr Comprehensive School | Not applicable | — | — | CF15 8XG |
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 CF15
122 rated food businesses operate in CF15. 77 hold the top rating of 5, 28 are rated 4, and 2 are rated 2 or below.
Among the 5-rated: A j catering, Acapela Ltd, Acorns Parc Nantgarw, Agri SGJ Ltd, Amelia’s Coffee & Cakes.
Source: Food Standards Agency, food hygiene ratings (FHRS) open data.
Energy performance (EPC) in CF15
From a sample of 155 Energy Performance Certificates across 11 CF15 postcodes, the most common rating is band D (average band C). 52% of sampled homes are rated C or better.
Band A
1%
Band B
19%
Band C
32%
Band D
34%
Band E
11%
Band F
2%
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 Caerphilly
Landlines around CF15 typically use:
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What's it like living in CF15?
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Moving to CF15? Sort your connectivity first
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Postcodes in CF15
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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.