CF83 postcode area guide — Caerphilly

Where is CF83?

Broadband & internet speeds in CF83

Excellent coverage

Broadband availability in the CF83 postcode district (Caerphilly) is Excellent — gigabit-capable full fibre is widely available. Across the 1,189 postcodes Ofcom measures in CF83, superfast broadband (30 Mbit/s or faster) reaches 97.8% of premises and gigabit-capable lines are available to 85.9%.

Around 0.1% of premises in CF83 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 CF83

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):

Signal varies street by street — use the mobile coverage checker to compare EE, O2, Three and Vodafone at an exact postcode.

Crime in CF83

Police recorded 272 incidents within about a mile of the centre of CF83 in May 2026 (latest published street-level data). The breakdown:

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 CF83

Based on 545 sales registered with HM Land Registry in the last 12 months, the median sold price in CF83 is £225,000, up 6.1% on the previous year (£212,000).

Latest recorded sales in CF83

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):

Source: ONS Census 2021 (district level — the finest openly licensed cut we republish). © Crown copyright, OGL v3.0.

Schools in and around CF83

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 CF83

405 rated food businesses operate in CF83. 231 hold the top rating of 5, 73 are rated 4, and 16 are rated 2 or below.

Among the 5-rated: Abbeyfield House, Abermill Care Home - HC-One, Abigail's Day Nursery, Aldi, Alexander House Day Centre.

Source: Food Standards Agency, food hygiene ratings (FHRS) open data.

Energy performance (EPC) in CF83

From a sample of 213 Energy Performance Certificates across 11 CF83 postcodes, the most common rating is band D (average band D). 40% of sampled homes are rated C or better.

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 CF83 typically use:

Had a call from an unknown number? Use our free UK phone number checker to see who called.

What's it like living in CF83?

Postcodes in CF83

Neighbouring districts

All Cardiff (CF) postcode districts ›

Frequently asked questions

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.