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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

CF454FF

Trem Y Mynydd

CF453PF

High Street

CF453AB

Brynifor

CF454BH

Troed Y Rhiw Road

CF454AB

Ffrwd Crescent

CF453HN

Ifor Street

CF454HE

The Laurels

CF454DG

New Road

CF453DN

Meadow Close

CF454DF

Aber-Ffrwd Road

CF453PS

Commercial Street

CF454FH

Cwrt Cwm Cynon

CF453NL

Duffryn Street

CF454BD

Allen Street

CF453LN

High Street

CF454AW

Beckett Street

CF453NN

St Davids Place

CF453RG

Lyle Street

CF454BA

The Triangle

CF453RL

Park Hill

CF454BQ

Troed Y Rhiw Road

CF454DB

High Row

CF454DT

The Avenue

CF453PT

Aberdare Road

CF454LL

Bron Y Deri

CF454HG

Strand Street

CF453DG

Glenboi

CF453LE

Cliff Street

CF453LB

Caradoc Street

CF453RA

Green Bank Villas

CF453PE

High Street

CF454BB

Allen Street

CF454ES

Lon Y Felin

CF454BG

Phillip Street

CF454LH

Rowan Close

CF453HD

Oxford Street

CF454HB

Cresselly Villas

CF454BW

Navigation Street

CF454HJ

Mary Street

CF453RW

Quarry Road

CF454EB

Greenfield Terrace

CF454DL

Low Row

CF454DU

The Avenue

CF453ER

Fernhill

CF453DL

Glen Close

CF454ED

Pen Y Graig Cottage

CF454EA

Blackberry Place

CF454FB

Rhodfa'R Afon

CF454LD

Troed Y Rhiw Road

CF454FG

Cwrt Abergorci

CF453PU

Brynderwen Villas

CF453LS

Aberpennar Street

CF454HR

Upper Fforest Level

CF454LA

Cwrt Fforest

CF453HH

Foundry Terrace

CF453RP

Beadon Street

CF453PW

Commercial Street

CF453RS

Park Villas

CF453PY

Harcourt Road

CF453EP

Fernhill

CF454AS

Copley Street

CF454BS

Jeffrey Street

CF454EY

Cardiff Road

CF454HW

Newton Villas

CF453US

Mountain Ash

CF453HG

Darran Road

CF453RR

Woodland Street

CF454AF

Austin Street

CF453NY

Union Street

CF453RF

Woodland Terrace

CF453LA

Gurney Cottages

CF453UZ

Miskin Road

CF454LN

Clas Y Dderwen

CF453NF

Cwrt Llanwonno

CF453AA

Brynifor

CF454HD

Cardiff Road

CF454EG

New Road

CF453PG

Oxford Street

CF453DT

Cwm Alarch Close

CF454AD

Jeffrey Street

CF454BE

Phillip Street

Data Sources

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