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Treharris

Interactive map displaying Treharris

About

Treharris ward lies in the southern part of the Merthyr Tydfil county borough. The area is shaped by the Taff Bargoed Valley, with residential streets following the contours of the hillsides. Historically a coal mining community, its layout and housing reflect this industrial past. The ward includes the main settlement of Treharris itself, along with the neighbouring village of Quakers Yard, which sits at the confluence of the Taff and Bargoed rivers.

A prominent local feature is the substantial viaduct carrying the former railway line, now part of the Taff Trail walking and cycling route through the valley. The landscape is characterised by reclaimed green spaces where former colliery sites once stood. Community life centres around local shops, schools, and sporting facilities, with the wider valley woodlands providing accessible outdoor space for residents.

Area overview

On average Treharris has None deprivation and very low crime levels, with around 44 crimes per 1,000 residents per year. Approximately 10.2% of homes in this area are social housing provided by a local council or housing association. The average income per household in Treharris is £44,005 per year. Treharris is home to around 6,272 people, with a population density of about 777.4 per km2.

Crime rate
2/10
Crimes per 1k residents
44
Deprivation level
N/A
Income level
6/10
Social housing
10.2%
Connectivity
N/A

Area Profile

Treharris Population
6,272
Population density
777.4 per km²

Crime

Crime per 1,000 population

Violence and sexual offences
21.84(-36%)
Anti-social behaviour
9.09(-30%)
Public order
6.38(-22%)
Criminal damage and arson
4.78(-35%)
Vehicle crime
4.62(+61%)
Wales average

Demographics

Ethnic groups

British
6,068
96.76%
Other White
52
0.83%
Chinese
29
0.46%
Irish
20
0.32%
White and Black Caribbean (mixed)
17
0.27%
Total population: 6,271

Economics

Education (age 16+)

Level 4 qualifications or above
1,345
25.71%
No qualifications
1,247
23.84%
Level 3 (A level)
933
17.84%
Level 2 (GCSEs 9-4)
759
14.51%
Level 1 (GCSEs 3-1)
506
9.67%
Total 16+ residents: 5,231

Housing

Housing tenure

Owns outright
1,131
41.47%
Owns with a mortgage
868
31.83%
Private landlord or letting agency
343
12.58%
Other social rented
242
8.87%
Social rents from council
76
2.79%
Total households: 2,727

Property prices in Treharris

Based on 61 recent sales, the median property price is £126,950 in Treharris area, with individual transactions ranging from £45,000 up to £900,000.

Price distribution per property type (last year)

Price distribution by property type for Treharris 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 Treharris over the last year.
TypeSalesMedian
Detached12£343,000
Semi-Detached10£151,000
Terraced39£117,500

10 years median price trend in Treharris

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

All postcodes in Treharris

CF465NF

Rock View

CF465AR

Woodlands Crescent

CF465BG

Rose Hill Cottages

CF465PP

The Hollies

CF465NE

Susannah Place

CF465AA

Thomas Street

CF465NB

Cardiff Road

CF465AP

Woodland Crescent

CF465DW

Leigh Terrace

CF465DS

Old Post Office Lane

CF465BS

Pentwyn Road

CF465LL

Victoria Street

CF465DP

Beddoe Terrace

CF465BT

Pentwyn Road

CF465EU

Perrott Place

CF465NX

Quakers View

CF465NQ

Menlo Park

CF465DR

Millers Row

CF465PJ

The Hollies

CF466TB

Commercial Street

CF465NH

The Villas

CF465AH

Cardiff Road

CF465PL

The Hollies

CF465HQ

The Oaks

CF465EP

Cardiff Road

CF465BN

Pantanas

CF465AE

Susannah Place

CF465AJ

Brecon Walk

CF465LJ

Claremont Drive

CF465DU

Cardiff Road

CF465LQ

The Ferns

CF465AT

Woodland Villas

CF465PA

Treharne Terrace

CF465BW

Fir Tree Drive

CF465RG

Oaklands Terrace

CF465DN

Caerphilly Road

CF465NP

Windsor Road

CF465LW

Ifor Place

CF465HN

Fell Street

CF465RY

Heol Coflorna

CF465NZ

Manor Court

CF465DL

Brynheulog Cottages

CF465HY

Glan Yr Afon

CF465RE

Brynteg

CF465LX

Harris Court

CF465HE

Fox Street

CF465PG

Goitre-Coed Road

CF465HX

Parc Wenallt

CF465RB

Bargoed Terrace

CF465LH

Mary Street

CF465PN

The Hollies

CF465LN

Prosser Street

CF465PU

Cardiff Road

Data Sources

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