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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

SA350DD

Trelech

SA335QJ

Trelech

SA335QS

Trelech

SA335NX

Station Road

SA336SD

Trelech

SA336EA

Trelech

SA340HU

Trelech

SA335EH

Llysonnen Road

SA335RL

Trelech

SA336NG

Trelech

SA335ET

Trelech

SA335QY

Llanboidy Road

SA335QF

Llanboidy Road

SA335QN

Drefach Road

SA336PU

Trelech

SA335EA

Llysonnen Road

SA335RS

Trelech

SA335EN

Llysonnen Road

SA335RN

Trelech

SA336HH

Trelech

SA336SA

Trelech

SA336SE

Dinas

SA335PJ

Trelech

SA335QE

Station Road

SA336PS

Trelech

SA336QG

Trelech

SA340DU

Trelech

SA335PP

Trelech

SA336NE

Trelech

SA336NW

Trelech

SA336RA

Trelech

SA340HY

Trelech

SA336AB

Henfwlch Road

SA340DG

Trelech

SA336QL

Trelech

SA336NF

Trelech

SA336RQ

Trelech

SA340DL

Trelech

SA336DS

Trelech

SA336RD

Trelech

SA336RG

Trelech

SA336DT

Trelech

SA336PN

Banc-Y-Llan

SA334DS

Meidrim Road

SA335DX

Llysonnen Road

SA335EL

Henfwlch Road

SA335PN

Llwyncelyn

SA335PY

Trelech

SA336DL

Trelech

SA335PH

Trelech

SA335QR

Lon Ddewi

SA336PA

Trelech

SA336AD

Henfwlch Road

SA336QU

Clos Y Cynin

SA336RB

Trelech

SA336PX

Trelech

SA336QS

Clos Y Cynin

SA335EW

Llysonnen Road

SA336NS

Trelech

SA336PF

Trelech

SA336RU

Caerwenog

SA336RW

Maes Cawnen

SA336NB

Trelech

SA336NP

Trelech

SA336RJ

Trelech

SA335QQ

Ger-Y-Nant

SA336PJ

Trelech

SA340HX

Heol Shon

SA313QT

Is Y Bryn

SA336PD

Trelech

SA336RX

Trelech

SA335PE

Trelech

SA336EE

Castell Hywel

SA334LF

Allt Esgair

SA335RR

Lon Cendy

SA336AF

Henfwlch Road

SA335NN

Trelech

SA336ND

Trelech

SA336NR

Trelech

SA336PR

Trelech

SA336QN

Trelech

SA340JD

Trelech

SA335PW

Trelech

SA336DN

Trelech

SA336NH

Trelech

SA336RE

Trelech

SA313QP

Parc Gwyn Estate

SA335QW

Ger-Y-Nant

SA335NP

Trelech

SA335QZ

Llanboidy Road

SA335QG

Fountain Row

SA336EG

Blaenycoed Road

SA336SH

Trelech

SA336QA

Trelech

SA335EG

Henfwlch Road

SA335PG

Trelech

SA336AG

Pentremeurig Road

SA336TD

Trelech

SA335PQ

Trelech

SA335NZ

Meidrim Road

Data Sources

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