3,473
Households
White Brit. · 97%
Ethnicity
No religion · 54%
Religion
High deprivation
Avg IMD
—
Crimes
£125,000
Median property price
181
Postcodes
Overview of Mountain Ash
Coordinates51.6838, -3.3814
Postcodes
181
Population (Census)
7,612
Households (Census)
3,473
Recorded crime
—
Area Deprivation (Average IMD) for Mountain Ash
Area IMD profile
This area-level value is averaged from postcode IMD deciles within the area boundary.
High deprivation
Mean decile 3.23 (1 = most deprived, 10 = least)
1 - Most deprived10 - Least deprived
Overall this area reads as High deprivation on relative deprivation, with a mean IMD decile of 3.23 (average of postcode-level deciles in this boundary).
Sold prices in Mountain Ash
Property sales · Mountain Ash
HM Land Registry · Mountain Ash
Average price
£144,540
YoY: +6.8%
Median price: £122,222
Property type filter
Recent sale price trend
Jun '24 – May '26May '26: 3 sales · avg £171,666
X axis: MonthY axis: Avg sold price (hover shows sales count)
£218k£157k£95k
Jun '24Dec '24Jun '25Dec '25May '26
Transactions are hidden by default.
Contains HM Land Registry data © Crown copyright and database right. This data is licensed under the Open Government Licence v3.0.
Demographics in Mountain Ash
Ethnicity
White Brit.96.7%
+ other · 3.3%
Religion
No religion53.6%
Christian39.3%
Not answered6.2%
+ other · 1.0%
Age groups
50–6420.9%
35–4917.4%
25–3413.0%
65–7411.2%
10–157.2%
+ 6 other age groups · 30.3%
Households
Other19.0%
Any member 66+14.7%
Married or civil partnership couple: No children10.1%
Lone parent family: With dependent children9.9%
All members 66+8.9%
+ 8 other households · 37.3%
Postcode Districts in Mountain Ash
Postcodes in Mountain Ash
CF45 3AACF45 3ABCF45 3ADCF45 3DGCF45 3DHCF45 3DLCF45 3DNCF45 3DPCF45 3DRCF45 3DSCF45 3DTCF45 3DUCF45 3DWCF45 3EECF45 3EFCF45 3EGCF45 3EHCF45 3ELCF45 3ENCF45 3EPCF45 3ERCF45 3EWCF45 3EYCF45 3HBCF45 3HDCF45 3HFCF45 3HGCF45 3HHCF45 3HNCF45 3HRCF45 3HTCF45 3HUCF45 3HWCF45 3HYCF45 3LACF45 3LBCF45 3LDCF45 3LECF45 3LFCF45 3LGCF45 3LHCF45 3LLCF45 3LNCF45 3LPCF45 3LRCF45 3LSCF45 3LTCF45 3LUCF45 3LWCF45 3LYCF45 3NACF45 3NBCF45 3NFCF45 3NGCF45 3NLCF45 3NNCF45 3NSCF45 3NTCF45 3NUCF45 3NWCF45 3NYCF45 3PACF45 3PBCF45 3PDCF45 3PECF45 3PFCF45 3PGCF45 3PLCF45 3PSCF45 3PTCF45 3PUCF45 3PWCF45 3PYCF45 3RACF45 3RBCF45 3RDCF45 3RECF45 3RFCF45 3RGCF45 3RHCF45 3RLCF45 3RNCF45 3RPCF45 3RRCF45 3RSCF45 3RTCF45 3RUCF45 3RWCF45 3TSCF45 3UACF45 3UQCF45 3USCF45 3UZCF45 4AACF45 4ABCF45 4ADCF45 4AECF45 4AFCF45 4AGCF45 4AHCF45 4ALCF45 4ANCF45 4APCF45 4AQCF45 4ARCF45 4ASCF45 4ATCF45 4AUCF45 4AWCF45 4AYCF45 4BACF45 4BBCF45 4BDCF45 4BECF45 4BGCF45 4BHCF45 4BLCF45 4BNCF45 4BPCF45 4BQ