Mountain Ash · Rhondda Cynon Taf · Wales
Updated September 2026
Compare this postcode| Address | Date | Price |
|---|---|---|
| 29, Coplestone Street, Mountain Ash, CF45 3LY | 21 November 2025 | £150,000 |
| 42, Coplestone Street, Mountain Ash, CF45 3LY | 28 July 2025 | £145,000 |
| 17, Coplestone Street, Mountain Ash, CF45 3LY | 21 May 2025 | £116,500 |
Within 3.1 miles of this postcode
Darrenlas Primary School
Welsh establishment
Miskin Primary School
Welsh establishment
Our Lady's R.C. Primary School
Welsh establishment
Within 1 mile of this postcode
Census 2021
67 female, 56 male
1,832 residents
1,236 residents
2,446 residents
2,596 residents
1,901 residents
This postcode contained 1.2% 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.
Ofcom's predicted availability across all residential and commercial premises in this postcode in January 2026.
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.
7
within 5 km
TY CALON LAN, OXFORD STREET, MOUNTAIN ASH, CF45 3HD
ODS code W95029
495 m
YSBYTY CWM CYNON, NEW ROAD, MOUNTAIN ASH, CF45 4BZ
ODS code W00208
1.3 km
ABERCWMBOI MEDICAL CENTRE, 1-3 JOHN STREET, ABERCWMBOI, ABERDARE, CF44 6BL
ODS code W95087
2.4 km
HEOL AFON TAF, TROEDYRHIW, MERTHYR TYDFIL, CF48 4DT
ODS code W95634
4.5 km
6-14 GLANAMAN ROAD, CWMAMAN, ABERDARE, CF44 6HY
ODS code W95016
4.6 km
THE SQUARE, ROBERT STREET, YNYSYBWL, PONTYPRIDD, CF37 3DU
ODS code W95619
4.8 km
FERNDALE MEDICAL CENTRE, 56-58 HIGH STREET, FERNDALE, CF43 4XX
ODS code W95051
4.9 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.
Darrenlas Primary School
BCT · Graig Darrenlas
Darrenlas Primary School
BCT · Graig Darrenlas
Olde Royal Oak
BCT · Miskin
Olde Royal Oak
BCT · Miskin
Bryn Ifor
BCT · Graig Darrenlas
The five-year median is £124,500 from 10 recorded sales in CF45 3LY. 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.
21 open schools are in scope, including 0 primary and 0 secondary schools. Darrenlas Primary School is the nearest published school at 139 m.
Counts describe active establishment records. They do not assess admissions, catchments or quality.
1,140 published events cover 12 months, averaging 95 events per published month. The largest recorded category is Violence and sexual offences with 571 events.
The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.