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CF42

UK postcode district

Updated September 2026

District overview

Postcode units
383
Current units
310
Coordinate coverage
100%
Electoral wards
3

Coverage context

Countries represented
Wales
English regions represented
W99999999
Local authority codes
1
Terminated postcode units
73

Postcode sectors in CF42

Choose a sector to browse its complete postcode-unit directory.

3 sectors

Property

View property report
6,562 recorded sales at this postcode
Address Date Price
3, Heol Orchwy, Treorchy, CF42 6SS 17 July 2026 £196,000
42, Conway Road, Treorchy, CF42 6UR 10 July 2026 £102,000
36, Blaen-Y-Cwm Terrace, Treherbert, Treorchy, CF42 5ND 9 July 2026 £109,950

Schools

Across this district

View schools report
Open schools
6
Primary
0
Secondary
0

Recorded crime

Across this district

View crime report
Published events
1,073
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 522
  • Public order 133
  • Anti social behaviour 96
  • Criminal damage and arson 81
  • Other theft 52

Census 2021

Population and age profile

CF42 usual residents
13,353
Age-profile population
13,345

Age bands in CF42

Postcode district
Age 0 to 14
16.6%
2,211 residents
Age 15 to 24
11.6%
1,548 residents
Age 25 to 44
23%
3,073 residents
Age 45 to 64
26.9%
3,594 residents
Age 65 and over
21.9%
2,919 residents

Small counts are adjusted for privacy, so totals can differ slightly between Census tables.

Census Day: 21 March 2021. Sources: ONS/Nomis P001-P004 and ONS CT21_0228. Age table version 2024-04-08.

Fixed broadband coverage

The median Ofcom availability percentage across 309 current postcode units in this district. Each postcode is weighted equally, not by premises.

Superfast, 30 Mbit/s+
100%
Ultrafast, 100 Mbit/s+
100%
Ultrafast, 300 Mbit/s+
100%
Gigabit-capable
100%
Unable to receive decent fixed or FWA broadband
0%
Next Generation Access
100%
Decent broadband available from fixed wireless
0%

In this district, 290 postcode units had 100% superfast coverage, 225 postcode units had 100% gigabit-capable coverage, 0 postcode units had at least some premises without decent fixed or fixed-wireless access.

Predicted coverage, not measured speeds. Check availability for your address with a provider. Postcode-level full-fibre figures are not published in this release.

Source: Ofcom Connected Nations, coverage at January 2026, version 2026-01-v2. Contains Ofcom data licensed under the Open Government Licence v3.0.

GP practices

1

in this district

  • FOREST VIEW MEDICAL CENTRE

    FOREST VIEW HEALTH, RHONDDA, TREORCHY, CF42 6DL

    ODS code W95054

Evidence in context

Property market

The five-year median is £105,000 from 1,216 recorded sales in CF42. This is a recorded-sale statistic, not a current valuation.

The latest UK House Price Index average for Rhondda Cynon Taf is £167,559 in June 2026, up 7.4% year on year.

Schools

6 open schools are in scope, including 0 primary and 0 secondary schools.

Counts describe active establishment records. They do not assess admissions, catchments or quality.

Recorded crime

1,073 published events cover 12 months, averaging 89 events per published month. The largest recorded category is Violence and sexual offences with 522 events.

The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.