CF45 4ER

Mountain Ash · Rhondda Cynon Taf · Wales

Updated September 2026

Compare this postcode

Location overview

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Post town
Mountain Ash
Local authority
Rhondda Cynon Taf
Constituency
Pontypridd
Postcode district
CF45
Postcode sector
CF45 4

Nearby postcodes

Nearby postcode distances
Postcode Distance
CF45 3SE 179 m
CF45 3SR 210 m
CF45 3SF 221 m
CF45 3SL 242 m
CF45 3SN 249 m
Complete postcode fields and official codes
Postcode
CF45 4ER
Status
Current
Introduced
1 August 1993
Terminated
Not published
Postcode area
CF
Postcode district
CF45
Postcode sector
CF45 4
Latitude
51.673088
Longitude
-3.363233
British National Grid easting
305,830
British National Grid northing
198,026

Statistical and administrative geographies

Country
Wales · W92000004
Region
W99999999
Local authority district
Rhondda Cynon Taf · W06000016
Parish or community
W04001016
Westminster constituency
Pontypridd · W07000106
Output area
W00006342
Lower layer super output area
Rhondda Cynon Taf 006A · W01001204
Middle layer super output area
Rhondda Cynon Taf 006 · W02000257

Postcode source versions

Explore CF45

4 recorded sales at this postcode
Address Date Price
Solutions House, 1st, Cwm Cynon Business Park, Mountain Ash, CF45 4ER 2 February 2022 £480,000
Cwm Cynon Industrial Estate, Cwm Cynon Business Park, Mountain Ash, CF45 4ER 20 December 2019 £2,510,000
Rocialle Medical Ltd, Cwm Cynon Business Park, Mountain Ash, CF45 4ER 31 July 2019 £5,347,232

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
21
Primary
0
Secondary
0
  1. Penrhiwceibr Primary

    Welsh establishment

    450 m
  2. Pengeulan Primary School

    Welsh establishment

    479 m
  3. Perthcelyn Community Primary School

    Welsh establishment

    736 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
873
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 424
  • Public order 103
  • Anti social behaviour 93
  • Criminal damage and arson 77
  • Other theft 44

Census 2021

Population and age profile

Postcode residents
Not supplied
Postcode households
Not supplied
Residents per household
Not available
CF45 4 residents
9,370

Age bands in CF45 4

Wider postcode sector
Age 0 to 14
17.7%

1,654 residents

Age 15 to 24
11.2%

1,046 residents

Age 25 to 44
26.3%

2,462 residents

Age 45 to 64
26.4%

2,470 residents

Age 65 and over
18.5%

1,737 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

Ofcom's predicted availability across all residential and commercial premises in this postcode in January 2026.

Superfast, 30 Mbit/s+
97.8%
Ultrafast, 100 Mbit/s+
50%
Ultrafast, 300 Mbit/s+
50%
Gigabit-capable
50%
Unable to receive decent fixed or FWA broadband
0%
Next Generation Access
100%
Decent broadband available from fixed wireless
10.9%

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

GP practices

7

within 5 km straight-line

  • MEDDYGFA GLAN CYNON SURGE

    TY CALON LAN, OXFORD STREET, MOUNTAIN ASH, CF45 3HD

    ODS code W95029

    1.3 km

  • HEALTH HUB IW

    YSBYTY CWM CYNON, NEW ROAD, MOUNTAIN ASH, CF45 4BZ

    ODS code W00208

    2.6 km

  • ABERCWMBOI MEDICAL PRACTICE

    ABERCWMBOI MEDICAL CENTRE, 1-3 JOHN STREET, ABERCWMBOI, ABERDARE, CF44 6BL

    ODS code W95087

    3.8 km

  • ABERCYNON MEDICAL CENTRE

    YNYSMEURIG ROAD, ABERCYNON, MOUNTAIN ASH, CF45 4YB

    ODS code W95042

    3.9 km

  • YNYSYBWL SURGERY

    THE SQUARE, ROBERT STREET, YNYSYBWL, PONTYPRIDD, CF37 3DU

    ODS code W95619

    4.0 km

  • TREHARRIS PRIMARY CARE CENTRE

    FOX STREET, TREHARRIS, CF46 5HE

    ODS code W95032

    4.2 km

  • BROOKSIDE MEDICAL CENTRE

    HEOL AFON TAF, TROEDYRHIW, MERTHYR TYDFIL, CF48 4DT

    ODS code W95634

    4.5 km

Nearby transport

  • Bellevue

    BCT · Penrhiwceiber

    0.1 miles
  • Bellevue

    BCT · Penrhiwceiber

    0.1 miles
  • Penrhiwceiber Rail Station

    RSE · Penrhiwceiber

    0.2 miles
  • Penrhiwceiber Rail Station

    RLY · Penrhiwceiber

    0.3 miles
  • The Surgery

    BCT · Penrhiwceiber

    0.3 miles

Evidence in context

Property market

The five-year median is £480,000 from 1 recorded sale in CF45 4ER. 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

21 open schools are in scope, including 0 primary and 0 secondary schools. Penrhiwceibr Primary is the nearest published school at 450 m.

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

Recorded crime

873 published events cover 12 months, averaging 72.75 events per published month. The largest recorded category is Violence and sexual offences with 424 events.

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