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CF46

UK postcode district

Updated September 2026

District overview

Postcode units
400
Current units
349
Coordinate coverage
100%
Electoral wards
8

Coverage context

Countries represented
Wales
English regions represented
W99999999
Local authority codes
3
Terminated postcode units
51

Postcode sectors in CF46

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

3 sectors

Property

Across this district

View property report
7,074 recorded sales at this postcode
Address Date Price
19, High Street, Nelson, Treharris, CF46 6EU 13 July 2026 £210,000
36, Hawthorn Road, Nelson, Treharris, CF46 6PB 10 July 2026 £265,000
24, Fox Street, Treharris, CF46 5HE 9 July 2026 £160,000

Schools

Across this district

View schools report
Open schools
4
Primary
0
Secondary
0

Recorded crime

Across this district

View crime report
Published events
859
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 370
  • Anti social behaviour 115
  • Public order 87
  • Criminal damage and arson 80
  • Vehicle crime 62

Census 2021

Population and age profile

CF46 usual residents
14,524
Age-profile population
14,512

Age bands in CF46

Postcode district
Age 0 to 14
16.1%

2,339 residents

Age 15 to 24
10.6%

1,533 residents

Age 25 to 44
23.9%

3,469 residents

Age 45 to 64
27.7%

4,023 residents

Age 65 and over
21.7%

3,148 residents

How to read these estimates
The standard postcode headcounts and the commissioned age table are separate ONS outputs. Small counts are disclosure-controlled, and totals can differ slightly between tables. Coverage is England and Wales only.

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 347 current postcode units in this district. Each postcode is weighted equally, not by premises.

Superfast, 30 Mbit/s+
100%
Ultrafast, 100 Mbit/s+
23.1%
Ultrafast, 300 Mbit/s+
23.1%
Gigabit-capable
23.1%
Unable to receive decent fixed or FWA broadband
0%
Next Generation Access
100%
Decent broadband available from fixed wireless
0%

317 postcode units had 100% superfast coverage, 121 had 100% gigabit-capable coverage, and 0 had at least some premises without decent fixed or fixed-wireless access.

Coverage is a modelled postcode-level snapshot, not a speed test or a guarantee for a named property. Check availability with providers before making a decision. Ofcom does not publish postcode-level full-fibre coverage in this release for commercial-confidentiality reasons.

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

NHS ODS

GP practices

2

in this district

  • NELSON SURGERY

    BRYNCELYN, NELSON, TREHARRIS, CF46 6HL

    ODS code W95043

  • TREHARRIS PRIMARY CARE CENTRE

    FOX STREET, TREHARRIS, CF46 5HE

    ODS code W95032

Organisation records, not service availability
These are records marked active in NHS England's Organisation Data Service for England and Wales. Branch surgeries, pharmacies, dentists and hospitals are not included. They do not confirm patient registration, services, opening hours, appointments or care quality. Distances are straight-line from the postcode point.

Source acquired on 2026-09-03. Contains information from NHS England, licenced under the current version of the Open Government Licence.

Evidence in context

A factual reading of the data in this report's scope. It is not a location score or a recommendation.

Property market

Recorded sales

The five-year median is £142,250 from 1,092 recorded sales in CF46. This is a recorded-sale statistic, not a current valuation.

The latest UK House Price Index average for Merthyr Tydfil is £146,611 in June 2026, down 3.0% year on year.

Schools

Published establishments

4 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

Published police records

859 published events cover 12 months, averaging 71.583 events per published month. The largest recorded category is Violence and sexual offences with 370 events.

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