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Cwm-twrch

Interactive map displaying Cwm-twrch

About

Cwm-twrch is a ward in the upper Swansea Valley, primarily containing the villages of Cwmtwrch and Cwmtwrch Isaf. The area is defined by the steep, forested slopes of the surrounding hills, with the River Twrch flowing through its centre. The landscape is a mix of residential housing and remnants of its industrial past, with old stone terraces built for the local workforce. The community is closely connected to the river and the surrounding natural environment.

The ward's character is shaped by its location within the Brecon Beacons National Park, influencing its development. Former collieries and quarries are now largely reclaimed by nature, forming part of the valley's green backdrop. A specific local feature is the Craig-y-Nos Country Park, located just to the north, which includes woodlands and the river. The area serves largely as a residential community for the wider valley, with strong historical ties to the South Wales coalfield.

Area overview

On average Cwm-twrch has high deprivation and moderate crime levels, with around 65 crimes per 1,000 residents per year. Approximately 18.4% of homes in this area are social housing provided by a local council or housing association. The average income per household in Cwm-twrch is £40,614 per year. Cwm-twrch is home to around 2,219 people, with a population density of about 169.6 per km2.

Crime rate
4/10
Crimes per 1k residents
65
Deprivation level
7/10
Income level
3/10
Social housing
18.4%
Connectivity
N/A

Area Profile

Cwm-twrch Population
2,219
Population density
169.6 per km²

Crime

Crime per 1,000 population

Violence and sexual offences
38.31(+4%)
Criminal damage and arson
9.01(+12%)
Anti-social behaviour
6.31(-57%)
Public order
5.86(-34%)
Drugs
3.61(+23%)
Wales average

Demographics

Ethnic groups

British
2,107
95%
Other White
29
1.31%
White and Black Caribbean (mixed)
15
0.68%
White and Asian (mixed)
12
0.54%
Irish
11
0.5%
Total population: 2,218

Economics

Education (age 16+)

Level 4 qualifications or above
493
27.51%
No qualifications
376
20.98%
Level 3 (A level)
285
15.9%
Level 2 (GCSEs 9-4)
275
15.35%
Level 1 (GCSEs 3-1)
165
9.21%
Total 16+ residents: 1,792

Housing

Housing tenure

Owns outright
394
42.23%
Owns with a mortgage
224
24.01%
Social rents from council
129
13.83%
Private landlord or letting agency
107
11.47%
Other social rented
49
5.25%
Total households: 933

Property prices in Cwm-twrch

Based on 17 recent sales, the median property price is £145,000 in Cwm-twrch area, with individual transactions ranging from £77,500 up to £390,000.

Price distribution per property type (last year)

Price distribution by property type for Cwm-twrch 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 Cwm-twrch over the last year.
TypeSalesMedian
Detached5£200,000
Semi-Detached6£132,500
Terraced6£143,500

10 years median price trend in Cwm-twrch

Ten year median sale price trend for each property type in Cwm-twrch.

All postcodes in Cwm-twrch

SA91EJ

Hafan Close

SA91BY

Wharf Cottages

SA92SU

Cwm-twrch

SA92TE

Heol Twrch

SA91EB

Heol Abram

SA91DZ

Gorof Road

SA92TW

Heol Gleien

SA92TZ

Heol Gleien

SA92UU

Gilfach Road

SA92UN

Glyncynwal Road

SA92XN

Ynys Tre Deg

SA91DR

Gyrnosfa

SA92SX

Golden Lion Terrace

SA91FF

Cwrt Y Gloch

SA92PN

Swn Y Nant

SA92US

Cambrian Place

SA91DU

Gorof Road

SA91EQ

School Road

SA92PX

Cwmphil Road

SA92QE

Palleg Road

SA92QJ

Cwm-twrch

SA91DB

Cwmphil Road

SA92PU

Bethel Road

SA92QQ

Palleg Road

SA91DJ

Heol Meurig

SA91BX

Gurnos Road

SA91DL

Heol Gron

SA92PT

Bethel Road

SA92QF

Palleg Road

SA91DE

Cwmphil Road

SA91FL

Spencer Terrace

SA92UF

Heol Gleien

SA92UP

Cynwal Terrace

SA91EH

Gorof Road

SA91EG

New Houses

SA92QD

Cwmphil Road

SA92TD

Heol Twrch

SA91DG

Palleg Place

SA91DS

Gorof Road

SA92PP

Heol Maes Pica

SA92HW

Bethel Road

SA92UT

Cwm-twrch

SA92LA

Gurnos Road

SA92PY

Cwmphil Road

SA91EZ

Spencer Terrace

SA92QA

Cwmphil Road

SA92XQ

Heol Gwys

SA91DX

Gorof Road

SA91FP

Clos Gorof

SA92UR

Glyncynwal Road

SA92TU

Ger-Yr-Afon

SA91DW

Lynden

SA92QL

Heol Y Gelli

SA91DN

Bryn Gorof

SA91ED

Coedlan

SA91EA

Heol Aaron

SA92SY

Bridge Street

SA92XE

Heol Tredeg

SA91EP

Cwrt Y Gamlas

SA91EF

Spencer Terrace

SA92XD

Heol Tredeg

SA91BZ

Midland Terrace

SA91FN

Cwrt Y Gloch

SA92XF

Gwysfryn

SA91EE

Spencer Terrace

SA92PS

Bethel Road

SA91DA

Maes Y Gorof

SA91DY

Gorof Road

SA92TT

Heol Gleien

SA92XW

Cwm-twrch

SA92UL

Glyncynwal Road

SA92XP

Ynys Tre Deg

SA92QB

Cwmphil Road

SA92XG

Heol Gwys

SA91DP

Heol Philip

SA91DQ

Cwmphil Road

SA92UW

Tai Gwalia

SA91DD

Gurnos Villas

Data Sources

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