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Mountain Ash

Interactive map displaying Mountain Ash

About

Mountain Ash lies within the Cynon Valley, following the river of the same name. The ward itself is centred on the town's historic linear layout, with residential streets climbing the steep valley sides from the main commercial thoroughfare. This topography defines the area, with terraced housing characteristic of the South Wales Valleys built into the slopes. The community remains closely connected to its industrial past, with former colliery sites now largely repurposed.

A notable local feature is the Dare Valley Country Park, which offers extensive green space and walking trails on reclaimed land. The town's facilities, including leisure centres and libraries, serve as hubs for the surrounding villages. Public transport links follow the valley floor, connecting to larger towns. The area's social history is evident in its workingmen's institutes and the enduring strength of its community organisations.

Area overview

On average Mountain Ash has None deprivation and high crime levels, with around 126 crimes per 1,000 residents per year. Approximately 12.6% of homes in this area are social housing provided by a local council or housing association. The average income per household in Mountain Ash is £40,793 per year. Mountain Ash is home to around 7,249 people, with a population density of about 568.4 per km2.

Crime rate
7/10
Crimes per 1k residents
126
Deprivation level
N/A
Income level
3/10
Social housing
12.6%
Connectivity
N/A

Area Profile

Mountain Ash Population
7,249
Population density
568.4 per km²

Crime

Crime per 1,000 population

Violence and sexual offences
64.97(+91%)
Public order
18.62(+127%)
Anti-social behaviour
18.49(+42%)
Criminal damage and arson
13.11(+79%)
Vehicle crime
7.17(+150%)
Wales average

Demographics

Ethnic groups

British
7,013
96.72%
Other White
62
0.86%
Other Asian
25
0.34%
White and Black Caribbean (mixed)
19
0.26%
Pakistani
17
0.23%
Total population: 7,251

Economics

Education (age 16+)

No qualifications
1,576
26.38%
Level 4 qualifications or above
1,368
22.9%
Level 2 (GCSEs 9-4)
1,045
17.49%
Level 3 (A level)
909
15.21%
Level 1 (GCSEs 3-1)
591
9.89%
Total 16+ residents: 5,975

Housing

Housing tenure

Owns outright
1,271
38.49%
Owns with a mortgage
920
27.86%
Private landlord or letting agency
520
15.75%
Other social rented
290
8.78%
Social rents from council
220
6.66%
Total households: 3,302

Property prices in Mountain Ash

Based on 65 recent sales, the median property price is £135,000 in Mountain Ash area, with individual transactions ranging from £60,500 up to £360,000.

Price distribution per property type (last year)

Price distribution by property type for Mountain Ash in the last year.

Median sale price and percentiles per property type (last year)

Median sale price, sales count, and percentile information for each property type in Mountain Ash over the last year.
TypeSalesMedian
Detached6£295,000
Flats1£65,000
Semi-Detached11£170,000
Terraced47£125,000

10 years median price trend in Mountain Ash

Ten year median sale price trend for each property type in Mountain Ash.

All postcodes in Mountain Ash

CF453LH

Pamela Street

CF453RD

Cadwaladr Street

CF453DP

Boi Close

CF454AE

Campbell Terrace

CF453LD

High Street

CF454HP

Lower Forest Level

CF453HU

Dover Street

CF453NB

Llanwonno Road

CF454DD

Aberffrwd Road

CF453EN

Fernhill

CF453HF

Bruce Street

CF454HL

John Street

CF454AQ

Trem Y Dyffryn

CF454EE

Cefn Pennar Cottages

CF453LP

Rock Street

CF454DP

High Row

CF453NG

Stream Street

CF453HY

Dover Street

CF454LE

Alexandra Terrace

CF454HN

Woodside Bungalows

CF453EW

Fernhill

CF453DW

Abercwmboi Isaf Road

CF453LT

Kingcraft Street

CF453EH

Fernhill

CF454FD

Ffordd Y Glowyr

CF454BL

Seymour Street

CF453UQ

Parc Gwernifor

CF453HB

Oxford Street

CF454BP

The Poplars

CF453LF

Eva Street

CF454HY

The Poplars

CF454DY

Toncoch Terrace

CF453DR

Cwm Alarch

CF453HT

Darran Road

CF454FJ

New Road

CF454AU

Lewis Street

CF454HT

New Road

CF453PL

Oxford Street

CF454LB

The Poplars

CF454AT

Aberffrwd Road

CF453DH

Glenbrook

CF454LF

Arnold Street

CF453NA

Gwernifor Street

CF453EY

Knight Street

CF453PA

Fountain Street

CF454HS

Mountain Ash

CF453LW

Llanwonno Road

CF453EF

Fernhill

CF454HA

Cardiff Road

CF454AR

Aberffrwd Road

CF453NW

Chancery Lane

CF454AG

Fox Street

CF453LU

Ceridwen Street

CF453LG

Victor Street

CF454AL

Granville Terrace

CF453PD

Graig Street

CF454BN

London Street

CF454DH

Mill Place

CF454AH

Fron Villas

CF454AA

Ffrwd Crescent

CF453RN

Quarry Cottages

CF453RH

Hamilton Street

CF454LG

Aberfan Fawr

CF453RT

Dan Y Deri Cottages

CF454DN

Middle Row

CF453HW

Napier Street

CF453RE

Woodland Street

CF454DZ

Llwynbedw

CF453RU

Woodland Road

CF454FE

Ger Yr Afon

CF454AP

Lyndhurst Street

CF454DS

Heol Penrhiw

CF453NT

Pryce Street

CF454DW

High Row

CF453TS

Miskin Road

CF454LW

Dan-Y-Coed

CF453LY

Coplestone Street

CF453LR

Gorsedd Street

CF453RB

Woodland Street

CF454BZ

New Road

CF453DS

Sierra Pines

CF453EL

Fernhill

CF454DA

Dyffryn Road

CF453LL

Stream Street

CF454DR

Ffordd Y Dderwen

CF453NU

Duffryn Street

CF453EE

Fernhill

CF453EG

Fernhill

CF453DU

Forest View

CF453HR

Duffryn Street

CF454EF

Cefn-Pennar Road

CF453PB

High Street

CF454AY

Aberffrwd Villas

CF454HF

Cardiff Road

CF454AN

Richmond Road

CF454ER

Cwm Cynon Business Park

CF453NS

Pryce Street

CF453AD

Police Houses

CF454HH

Mary Street

CF453UA

Miskin Road

Data Sources

All data is sourced from official UK government agencies and public datasets. Last updated: 16/05/2026.