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Treharris & Trelewis

Interactive map displaying Treharris & Trelewis

About

Treharris and Trelewis are neighbouring settlements in the Taff Bargoed Valley. The area is defined by its industrial past, with the Trelewis Drift coal mine once a central employer. The landscape is marked by the large, grassed-over spoil tip known locally as the 'Trecatti tip', a prominent green hill that now offers walking routes and views across the valley. The communities are connected by local roads and residential streets that follow the contours of the hillsides.

The area is home to Taff Bargoed Park, a large country park created on reclaimed colliery land, featuring a lake and extensive paths. The former railway line through the valley is now part of the Taff Trail, a long-distance route for cyclists and walkers. Daily life centres around local amenities like Treharris Square, with its war memorial and public houses. The distinctive silhouette of the old winding wheel from the Trelewis Drift mine remains preserved on the hillside as a local landmark.

Area overview

On average Treharris & Trelewis has moderate deprivation and moderate crime levels, with around 46 crimes per 1,000 residents per year. Approximately 10.7% of homes in this area are social housing provided by a local council or housing association. The average income per household in Treharris & Trelewis is £44,005 per year. Treharris & Trelewis is home to around 8,681 people, with a population density of about 880.2 per km2.

Crime rate
4/10
Crimes per 1k residents
46
Deprivation level
6/10
Income level
6/10
Social housing
10.7%
Connectivity
N/A

Area Profile

Treharris & Trelewis Population
8,681
Population density
880.2 per km²

Crime

Crime per 1,000 population

Violence and sexual offences
22.69(-38%)
Anti-social behaviour
8.41(-42%)
Public order
5.76(-35%)
Criminal damage and arson
4.84(-40%)
Vehicle crime
4.38(+39%)
Wales average

Demographics

Ethnic groups

British
8,414
96.96%
Other White
72
0.83%
Chinese
31
0.36%
Irish
24
0.28%
Other Mixed or Multiple ethnic groups
22
0.25%
Total population: 8,678

Economics

Education (age 16+)

Level 4+ (Degree)
1,857
26.04%
No qualifications
1,701
23.85%
Level 3 (A level)
1,247
17.49%
Level 2 (GCSEs 9-4)
1,053
14.77%
Level 1 (GCSEs 3-1)
701
9.83%
Total 16+ residents: 7,131

Housing

Housing tenure

Owns outright
1,434
38.69%
Owns with a mortgage
1,269
34.24%
Private landlord or letting agency
442
11.93%
Other social rented
335
9.04%
Social rents from council
134
3.62%
Total households: 3,706

Property prices in Treharris & Trelewis

Based on 79 recent sales, the median property price is £150,000 in Treharris & Trelewis 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 & Trelewis 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 & Trelewis over the last year.
TypeSalesMedian
Detached20£310,000
Semi-Detached19£150,000
Terraced40£116,000

10 years median price trend in Treharris & Trelewis

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

All postcodes in Treharris & Trelewis

CF465HR

Evan Street

CF465LR

Park Lane

CF466AY

Heol Isaf

CF466DD

Pandy View

CF466DW

Tydfil Close

CF466EE

Manor View

CF465DB

Wingfield Terrace

CF466DJ

Meadow Lane

CF465AT

Woodland Villas

CF465LX

Harris Court

CF466AD

High Street

CF465HA

Brotalwg

CF465HD

Railway Terrace

CF465LT

Park Lane

CF465LW

Ifor Place

CF465RB

Bargoed Terrace

CF466AA

Glyn Bargoed Road

CF466AT

Cherry Tree Way

CF465BT

Pentwyn Road

CF465DH

Zoar Terrace

CF465NY

Treharne Road

CF465PL

The Hollies

CF465BB

Goitre Coed Road

CF465NF

Rock View

CF466DB

Nantgwyn

CF465NL

Nant Ddu Terrace

CF465PR

Thomas Street

CF466BJ

St Marys Court

CF465PG

Goitre-Coed Road

CF466AG

Railway Street

CF466AW

Field Street

CF465PB

Tai Yn Y Banwen

CF465EN

Wingfield Rise

CF466DH

Caiach Terrace

CF466TB

Commercial Street

CF465LN

Prosser Street

CF465NN

The Avenue

CF465RE

Brynteg

CF465DT

White Hart Cottages

CF465LJ

Claremont Drive

CF466BB

Brondeg

CF465BN

Pantanas

CF465DE

Bryngerwn Avenue

CF465HH

Williams Terrace

CF465NE

Susannah Place

CF465NH

The Villas

CF465RX

Heol Y Glyn

CF465BU

Ty Llwyd Terrace

CF465RN

Twynygarreg

CF465RW

Oakland Terrace

CF466BT

Park Terrace

CF465BA

Sunny Bank

CF465NG

Forest Grove

CF465NX

Quakers View

CF465RJ

Park Crescent

CF466AQ

Tai Ebenezer

CF465PY

Commercial Terrace

CF465RU

Melin Caiach

CF466EQ

Highfield Rise

CF465BP

Hilltop Close

CF465EP

Cardiff Road

CF465LD

Millfield

CF465RF

Brynteg

CF466AU

Priscilla Terrace

CF465AL

The Gardens

CF465EG

Tram Road Side

CF465EX

Navigation Close

CF465NQ

Menlo Park

CF465NZ

Manor Court

CF466DE

West View Crescent

CF465LP

Mary Street

CF465RD

Springfield Rise

CF466EG

Tudor Court

CF466AH

High Street

CF466AX

Cherry Tree Lane

CF466BU

Pandy Cottages

CF465DA

Edwards Terrace

CF465NW

Beech Grove

CF465EB

Treharris

CF466DL

Warren Terrace

CF465AD

Windsor Place

CF465EU

Perrott Place

CF465PQ

Treharne Park

CF465HX

Parc Wenallt

CF465LQ

The Ferns

CF466AF

Bontnewydd Terrace

CF465LF

Edward Street

CF465NA

Fernhill Terrace

CF465NT

Birchgrove Estate

CF465EH

Rock Houses

CF465HP

Webster Street

CF465LU

Pantanas

CF466FA

Foxglove Close

CF465AG

Mill Street

CF465BL

Westwood Drive

CF465LB

Ty Llwyd Parc Estate

CF465DG

Victoria Terrace

CF465EF

Tram Road Side

CF466AE

High Street

CF466FB

Upland Drive

Data Sources

All data is sourced from official UK government agencies and public datasets. Last updated: 16/01/2026.