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Trelech

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About

Trelech ward is a rural area in the southern part of Carmarthenshire, characterised by rolling farmland and small settlements. The community is centred around the village of Trelech, which is positioned on a ridge offering broad views over the surrounding countryside. The local economy has long been connected to agriculture, with a landscape dominated by fields and wooded valleys.

A notable focal point is the Church of St Mary, which stands with a leaning spire, a distinctive landmark visible from the surrounding roads. The area's network of quiet country lanes connects scattered farms and houses. It is part of a broader agricultural region with a quiet, settled character.

Area overview

On average Trelech has moderate deprivation and very low crime levels, with around 35 crimes per 1,000 residents per year. Approximately 4.2% of homes in this area are social housing provided by a local council or housing association. The average income per household in Trelech is £41,898 per year. Trelech is home to around 2,731 people, with a population density of about 18.2 per km2.

Crime rate
1/10
Crimes per 1k residents
35
Deprivation level
6/10
Income level
4/10
Social housing
4.2%
Connectivity
N/A

Area Profile

Trelech Population
2,731
Population density
18.2 per km²

Crime

Crime per 1,000 population

Violence and sexual offences
20.51(-44%)
Other theft
6.22(+23%)
Anti-social behaviour
2.56(-82%)
Criminal damage and arson
2.56(-68%)
Public order
2.56(-71%)
Wales average

Demographics

Ethnic groups

British
2,625
96.19%
Other White
35
1.28%
Irish
12
0.44%
White and Asian (mixed)
12
0.44%
Indian
8
0.29%
Total population: 2,729

Economics

Education (age 16+)

Level 4 qualifications or above
832
34.68%
No qualifications
461
19.22%
Level 3 (A level)
389
16.22%
Level 2 (GCSEs 9-4)
344
14.34%
Level 1 (GCSEs 3-1)
201
8.38%
Total 16+ residents: 2,399

Housing

Housing tenure

Owns outright
676
59.77%
Owns with a mortgage
275
24.31%
Private landlord or letting agency
81
7.16%
Social rents from council
51
4.51%
Other forms of private rent
33
2.92%
Total households: 1,131

Property prices in Trelech

Based on 13 recent sales, the median property price is £325,000 in Trelech area, with individual transactions ranging from £162,000 up to £570,000.

Price distribution per property type (last year)

Price distribution by property type for Trelech 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 Trelech over the last year.
TypeSalesMedian
Detached12£327,500
Semi-Detached1£175,000

10 years median price trend in Trelech

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

All postcodes in Trelech

SA336PY

Trelech

SA335PT

Trelech

SA336DJ

Trelech

SA334DR

Meidrim Road

SA336QR

Trelech

SA336SB

Trelech

SA335DU

Llysonnen Road

SA335NY

Station Road

SA335PS

Trelech

SA335QT

Trelech

SA336HD

Trelech

SA336NZ

Trelech

SA336QP

Trelech

SA336AE

Henfwlch Road

SA336NY

Trelech

SA336RT

Trelech

SA336QY

Trelech

SA334LG

Salem Road

SA336DX

Trelech

SA336QX

Trelech

SA335PB

Trelech

SA336DP

Trelech

SA336PP

Trelech

SA336PT

Trelech

SA336QH

Trelech

SA336PE

Trelech

SA335PR

Trelech

SA340DT

Trelech

SA335PL

Trelech

SA335PU

Trelech

SA335RJ

Trelech

SA335RP

Trelech

SA336QZ

Trelech

SA335ED

Llysonnen Cottages

SA335QL

Station Road

SA335DT

Llysonnen Road

SA335RW

Trelech

SA350DF

Trelech

SA335RG

Trelech

SA340DP

Trelech

SA335PX

Trelech

SA340JB

Trelech

SA334LQ

Salem Road

SA336DR

Trelech

SA336PB

Trelech

SA336SF

Trelech

SA336RY

Trelech

SA340HS

Trelech

SA335NL

Trelech

SA340DJ

Trelech

SA335NJ

Meidrim Road

SA336RH

Trelech

SA336SQ

Trelech

SA336AA

Henfwlch Road

SA336AJ

Henfwlch Road

SA336AW

Trelech

SA336DU

Trelech

SA336EH

Blaenycoed Road

SA340JE

Trelech

SA335PA

Drefach Road

SA336AQ

Henfwlch Road

SA336DY

Trelech

SA335QU

Llanboidy Road

SA335QX

Llanboidy Road

SA336DW

Clynblewog

SA335EP

Llysonnen Road

SA335NQ

Cwrt Melin

SA335QA

Trelech

SA340DN

Trelech

SA340DR

Trelech

SA340DH

Cwmfelin Mynach

SA350DE

Trelech

SA335DZ

Llysonnen Road

SA335RH

Trelech

SA335EB

Cwrt Melin

SA335EE

Llysonnen Road

SA335QP

Drefach Road

SA336QF

Trelech

SA336QJ

Trelech

SA340DS

Trelech

SA340HT

Trelech

SA340JN

Trelech

SA335NW

Trelech

SA336NN

Trelech

SA336PL

Trelech

SA336QE

Trelech

SA335NH

Cwrt Melin

SA335PD

Trelech

SA335QH

Trelech

SA336NA

Trelech

SA340JA

Trelech

SA336SG

Trelech

SA335EJ

Henfwlch Road

Data Sources

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