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Postcode area report · 747 postcodes

CF48 postcode area guide — Caerphilly

House prices, crime, broadband speeds, mobile signal, schools and demographics for the CF48 postcode district in Caerphilly — every official dataset on one page.

The CF48 postcode district serves Caerphilly, Wales, with 747 postcodes currently in use. Around 175,952 people live across the wider Caerphilly district. Homes in CF48 have sold for a median of £130,000 over the past 12 months.

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Where is CF48?

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Broadband & internet speeds in CF48

Strong coverage

Superfast (30Mb+)

95.7%

Ultrafast (300Mb+)

61.4%

Gigabit-capable

61.4%

Below USO (10Mb)

0.7%

Broadband availability in the CF48 postcode district (Caerphilly) is Strong — superfast is near-universal and gigabit is rolling out. Across the 747 postcodes Ofcom measures in CF48, superfast broadband (30 Mbit/s or faster) reaches 95.7% of premises and gigabit-capable lines are available to 61.4%.

Around 0.7% of premises in CF48 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 CF48

PostcodeSuperfastGigabit
CF48 1AA100%0%
CF48 1AB100%100%
CF48 1AD100%100%
CF48 1AE100%100%
CF48 1AF100%98.4%
CF48 1AG100%90.9%
CF48 1AH100%100%
CF48 1AJ100%0%
CF48 1AL100%100%
CF48 1AQ100%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 CF48

Police recorded 204 incidents within about a mile of the centre of CF48 in May 2026 (latest published street-level data). The breakdown:

CategoryIncidentsShare
Violence & sexual offences7737.7%
Shoplifting3316.2%
Anti-social behaviour2713.2%
Public order167.8%
Criminal damage & arson125.9%
Other theft115.4%
Drugs94.4%
Vehicle crime83.9%

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 CF48

Based on 223 sales registered with HM Land Registry in the last 12 months, the median sold price in CF48 is £130,000, down 7.1% on the previous year (£140,000).

Detached

£280,000

28 sales

Semi-detached

£178,000

47 sales

Terraced

£115,000

136 sales

Flat / maisonette

£61,500

3 sales

Latest recorded sales in CF48

DatePriceTypeStreetPostcode
14 May 2026£63,000OtherCF48 2TT
12 May 2026£134,500TerracedBlanche StreetCF48 3PE
6 May 2026£99,950TerracedThe BirchwayCF48 2HA
6 May 2026£115,000TerracedYew StreetCF48 4EE
5 May 2026£200,000TerracedBryn TerraceCF48 2UL
1 May 2026£247,000DetachedKingfisher CrescentCF48 4TL
1 May 2026£125,000Semi-detachedRhydfachCF48 4DJ
30 Apr 2026£120,000TerracedHazel TerraceCF48 4HT
17 Apr 2026£135,000TerracedMonumental TerraceCF48 2PW
17 Apr 2026£90,000TerracedStation TerraceCF48 3PU

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 1518.5%
15–2922.1%
30–4418.7%
45–6420.7%
65+20.1%
Housing tenure
Owner-occupied67.5%
Private rented13.4%
Social rented5.6%

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

Schools in and around CF48

SchoolPhaseAgesPupilsPostcode
Abercanaid Community SchoolNot applicableCF48 1SZ
Pantysgallog Primary SchoolNot applicableCF48 2AD
Heolgerrig Community SchoolNot applicableCF48 1SB
Ynysowen Community Primary SchoolNot applicableCF48 4QQ
Ysgol-Y-Graig Primary SchoolNot applicableCF48 2LR
Ysgol Gynradd Gymraeg Rhyd-Y-GrugNot applicableCF48 4NT
Ysgol Gynradd Coed y DderwenNot applicableCF48 1LG
Afon Taf High SchoolNot applicableCF48 4ED

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 CF48

239 rated food businesses operate in CF48. 136 hold the top rating of 5, 51 are rated 4, and 5 are rated 2 or below.

Among the 5-rated: Abercanaid Community School, Aberfan and Merthyr Vale Community Centre, Afon Taf, Senior Kitchen, Ak Cash & Carry, Antelope Inn.

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

Energy performance (EPC) in CF48

From a sample of 129 Energy Performance Certificates across 10 CF48 postcodes, the most common rating is band D (average band D). 37% of sampled homes are rated C or better.

Band B

5%

Band C

33%

Band D

40%

Band E

14%

Band F

5%

Band G

4%

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 CF48 typically use:

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What's it like living in CF48?

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Moving to CF48? Sort your connectivity first

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Postcodes in CF48

Neighbouring districts

All Cardiff (CF) postcode districts ›

Frequently asked questions

Where is the CF48 postcode?
CF48 covers Caerphilly in Wales. It contains 747 live postcodes. Use the map and the postcode list on this page to pinpoint an exact address.
How much do houses cost in CF48?
The median sold price in CF48 over the last 12 months is £130,000, based on 223 HM Land Registry recorded sales. See the house-price section above for medians by property type and the most recent sales.
Is CF48 a safe area?
Police recorded 204 incidents within a mile of the centre of CF48 in May 2026, with Violence & sexual offences the most common category. Compare the breakdown above and check street-level detail on police.uk before drawing conclusions — a busy high street inflates raw counts.
What broadband can I get in CF48?
Ofcom Connected Nations puts superfast availability in CF48 at 95.7% of premises, with gigabit-capable lines reaching 61.4%. Enter a full postcode in the checker on this page for address-level availability.
Who lives in CF48?
In the wider Caerphilly district, 68% of households own their home, 13% rent privately and 6% are in social housing (Census 2021). The age profile and household counts are in the demographics section above.
How energy efficient are homes in CF48?
Across a sample of 129 Energy Performance Certificates in CF48, the most common rating is band D and the average is band D. 48 of the sampled homes are rated C or better. See the EPC section above for the full band breakdown.

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.

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