Schools
24 open schools are in scope, including 0 primary and 0 secondary schools. Glenboi Primary School is the nearest published school at 126 m.
Counts describe active establishment records. They do not assess admissions, catchments or quality.
CF45 3DT
Mountain Ash · Rhondda Cynon Taf · Wales
Updated September 2026
Compare this postcodeLocation overview
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- Post town
- Mountain Ash
- Ward
- Mountain Ash
- Local authority
- Rhondda Cynon Taf
- Constituency
- Pontypridd
- Postcode district
- CF45
- Postcode sector
- CF45 3
Nearby postcodes
Complete postcode fields and official codes
- Postcode
- CF45 3DT
- Status
- Current
- Introduced
- 1 September 1991
- Terminated
- Not published
- Postcode area
- CF
- Postcode district
- CF45
- Postcode sector
- CF45 3
- Latitude
- 51.683439
- Longitude
- -3.395265
- British National Grid easting
- 303,637
- British National Grid northing
- 199,219
Statistical and administrative geographies
- Country
- Wales · W92000004
- Region
- W99999999
- Local authority district
- Rhondda Cynon Taf · W06000016
- Electoral ward
- Mountain Ash · W05001092
- Parish or community
- W04001017
- Westminster constituency
- Pontypridd · W07000106
- Output area
- W00006356
- Lower layer super output area
- Rhondda Cynon Taf 006D · W01001207
- Middle layer super output area
- Rhondda Cynon Taf 006 · W02000257
Postcode source versions
- Ordnance Survey: Code-Point Open Version 2026-08 · Current postcode units in Great Britain · OGL-3.0
- Office for National Statistics: ONS Postcode Directory Version 2026-08 · United Kingdom; Northern Ireland excluded pending rights review; Crown Dependencies outside product scope · OGL-3.0 with third-party rights
- Ordnance Survey: Boundary-Line Version 2026-05 · Local-authority boundaries in Great Britain · OS OpenData Licence
Explore CF45
Property
1 recorded
sale at this postcode
| Address | Date | Price |
|---|---|---|
| 4, Cwm Alarch Close, Mountain Ash, CF45 3DT | 31 March 2021 | £165,000 |
Schools
Within 3.1 miles of this postcode
- Open schools
- 24
- Primary
- 0
- Secondary
- 0
- 126 m
Glenboi Primary School
Welsh establishment
- 675 m
Mountain Ash Comprehensive School
Welsh establishment
- 1.1 km
Darrenlas Primary School
Welsh establishment
Recorded crime
Within 1 mile of this postcode
- Published events
- 870
- Months covered
- 12
- Latest month
- June 2026
Most recorded categories in this period
- Violence and sexual offences 434
- Public order 108
- Anti social behaviour 83
- Criminal damage and arson 77
- Other theft 35
Census 2021
Population and age profile
- Postcode residents
- 11
- Postcode households
- 5
- Residents per household
- 2.2
- CF45 3 residents
- 10,013
5 female, 6 male
Age bands in CF45 3
Wider postcode sector- Age 0 to 14
- 18.3%
- Age 15 to 24
- 12.3%
- Age 25 to 44
- 24.4%
- Age 45 to 64
- 25.9%
- Age 65 and over
- 19%
1,832 residents
1,236 residents
2,446 residents
2,596 residents
1,901 residents
This postcode contained 0.1% of the sector's usual residents on Census Day. The age profile describes the wider CF45 3 sector, not people in this individual postcode.
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+
- 100%
- Ultrafast, 100 Mbit/s+
- 66.7%
- Ultrafast, 300 Mbit/s+
- 66.7%
- Gigabit-capable
- 66.7%
- Unable to receive decent fixed or FWA broadband
- 0%
- Next Generation Access
- 100%
- Decent broadband available from fixed wireless
- 0%
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
8
within 5 km
HEALTH HUB IW
YSBYTY CWM CYNON, NEW ROAD, MOUNTAIN ASH, CF45 4BZ
ODS code W00208
422 m
MEDDYGFA GLAN CYNON SURGE
TY CALON LAN, OXFORD STREET, MOUNTAIN ASH, CF45 3HD
ODS code W95029
1.3 km
ABERCWMBOI MEDICAL PRACTICE
ABERCWMBOI MEDICAL CENTRE, 1-3 JOHN STREET, ABERCWMBOI, ABERDARE, CF44 6BL
ODS code W95087
1.3 km
CWMAMAN SURGERY
6-14 GLANAMAN ROAD, CWMAMAN, ABERDARE, CF44 6HY
ODS code W95016
3.6 km
THE MAERDY FERNDALE MGP
FERNDALE MEDICAL CENTRE, 56-58 HIGH STREET, FERNDALE, CF43 4XX
ODS code W95051
4.4 km
BROOKSIDE MEDICAL CENTRE
HEOL AFON TAF, TROEDYRHIW, MERTHYR TYDFIL, CF48 4DT
ODS code W95634
4.6 km
74 MONK STREET
73-74 MONK STREET, ABERDARE, CF44 7PA
ODS code W95633
4.8 km
ST JOHN'S MEDICAL PRACTICE
HIGH STREET, ABERDARE, CF44 7DD
ODS code W95001
5.0 km
Main GP practices only; branch surgeries are excluded. Distances are straight-line. Contact the practice to check registration, services, opening hours and appointments.
Source acquired on 2026-09-03. Contains information from NHS England, licenced under the current version of the Open Government Licence.
Nearby transport
- 0.1 miles
Glenboi Primary School
BCT · Fernhill
- 0.2 miles
Glenboi Primary School
BCT · Fernhill
- 0.2 miles
Glenboi Cemetery
BCT · Fernhill
- 0.2 miles
Glenboi Cemetery
BCT · Fernhill
- 0.2 miles
Fernhill Railway Station
BCT · Fernhill
Evidence in context
Recorded crime
870 published events cover 12 months, averaging 72.5 events per published month. The largest recorded category is Violence and sexual offences with 434 events.
The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.