CF37 postcode area guide — Caerphilly
House prices, crime, broadband speeds, mobile signal, schools and demographics for the CF37 postcode district in Caerphilly — every official dataset on one page.
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Where is CF37?
Broadband & internet speeds in CF37
Strong coverage
Superfast (30Mb+)
92.9%
Ultrafast (300Mb+)
52.2%
Gigabit-capable
48.4%
Below USO (10Mb)
0.1%
Broadband availability in the CF37 postcode district (Caerphilly) is Strong — superfast is near-universal and gigabit is rolling out. Across the 877 postcodes Ofcom measures in CF37, superfast broadband (30 Mbit/s or faster) reaches 92.9% of premises and gigabit-capable lines are available to 48.4%.
Around 0.1% of premises in CF37 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 CF37
| Postcode | Superfast | Gigabit |
|---|---|---|
| CF37 1AA | 100% | 0% |
| CF37 1AD | 100% | 0% |
| CF37 1AE | 100% | 100% |
| CF37 1BA | 100% | 0% |
| CF37 1BD | 90.4% | 90.4% |
| CF37 1BE | 100% | 79.7% |
| CF37 1BF | 100% | 0% |
| CF37 1BG | 100% | 0% |
| CF37 1BH | 94.6% | 75% |
| CF37 1BN | 94.4% | 94.4% |
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 CF37
Police recorded 191 incidents within about a mile of the centre of CF37 in May 2026 (latest published street-level data). The breakdown:
| Category | Incidents | Share |
|---|---|---|
| Violence & sexual offences | 66 | 34.6% |
| Shoplifting | 43 | 22.5% |
| Anti-social behaviour | 27 | 14.1% |
| Public order | 18 | 9.4% |
| Other theft | 10 | 5.2% |
| Criminal damage & arson | 7 | 3.7% |
| Drugs | 7 | 3.7% |
| Other crime | 5 | 2.6% |
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 CF37
Based on 419 sales registered with HM Land Registry in the last 12 months, the median sold price in CF37 is £146,000, down 2.7% on the previous year (£150,000).
Detached
£290,000
25 sales
Semi-detached
£195,000
87 sales
Terraced
£137,000
279 sales
Flat / maisonette
£97,000
14 sales
Latest recorded sales in CF37
| Date | Price | Type | Street | Postcode |
|---|---|---|---|---|
| 21 May 2026 | £136,000 | Terraced | Church Road | CF37 4RN |
| 15 May 2026 | £210,000 | Terraced | St Andrews Road | CF37 1XF |
| 13 May 2026 | £125,000 | Terraced | Oxford Street | CF37 1RU |
| 13 May 2026 | £145,000 | Terraced | Danygraig Street | CF37 1NA |
| 11 May 2026 | £95,000 | Flat | Evans Square | CF37 4NB |
| 8 May 2026 | £119,000 | Terraced | Lower Alma Terrace | CF37 1NL |
| 7 May 2026 | £120,000 | Terraced | Danygraig Street | CF37 1NA |
| 6 May 2026 | £137,000 | Terraced | Maes Yr Awel | CF37 5EW |
| 6 May 2026 | £115,000 | Terraced | Paget Street | CF37 3LF |
| 5 May 2026 | £140,000 | Terraced | Howell Street | CF37 4NR |
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 CF37
| School | Phase | Ages | Pupils | Postcode |
|---|---|---|---|---|
| Coedpenmaen County Primary School | Not applicable | — | — | CF37 4LE |
| Coedylan Primary School | Not applicable | — | — | CF37 2DB |
| Hafod Primary School | Not applicable | — | — | CF37 2NL |
| Maes-Y-Coed Primary School | Not applicable | — | — | CF37 1EQ |
| Parclewis Primary School | Not applicable | — | — | CF37 1BE |
| Trallwng Infants School | Not applicable | — | — | CF37 4RD |
| Trehopcyn Primary School | Not applicable | — | — | CF37 2RH |
| Trerobart Primary School | Not applicable | — | — | CF37 3EF |
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 CF37
315 rated food businesses operate in CF37. 188 hold the top rating of 5, 61 are rated 4, and 5 are rated 2 or below.
Among the 5-rated: 3S Convenience Store, Acorns Nursery, Albion Cafe, Aldi Stores Ltd, All Stars Gymnastics Club CIC.
Source: Food Standards Agency, food hygiene ratings (FHRS) open data.
Energy performance (EPC) in CF37
From a sample of 185 Energy Performance Certificates across 10 CF37 postcodes, the most common rating is band D (average band D). 41% of sampled homes are rated C or better.
Band C
41%
Band D
42%
Band E
15%
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 CF37 typically use:
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What's it like living in CF37?
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Moving to CF37? Sort your connectivity first
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Postcodes in CF37
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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.