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Swiss Valley & Llangennech

Interactive map displaying Swiss Valley & Llangennech

About

Swiss Valley in north Carmarthenshire is centred on a narrow valley that contains a stepped series of small reservoirs built to supply nearby settlements. Paths follow the water’s edge and climb into surrounding farmland, linking copses and hedgerows with lanes. The reservoirs sit in a compact basin and are used for short walks, cycling and informal birdwatching, with public access managed from nearby car parks and gates.

Llangennech lies a short distance from the valley and functions as a local service village for the surrounding farmland. The main street has shops, a primary school and sports pitches, and lanes radiate into fields and the lower slopes of the valley. Community activities and local clubs use village halls and playing fields, and footpaths lead directly from the settlement into the Swiss Valley reservoirs for day visits or longer rural routes.

Area overview

On average Swiss Valley & Llangennech has None deprivation and very low crime levels, with around 36 crimes per 1,000 residents per year. Approximately 8.6% of homes in this area are social housing provided by a local council or housing association. The average income per household in Swiss Valley & Llangennech is £46,546 per year. Swiss Valley & Llangennech is home to around 7,653 people, with a population density of about 342.5 per km2.

Crime rate
2/10
Crimes per 1k residents
36
Deprivation level
N/A
Income level
8/10
Social housing
8.6%
Connectivity
N/A

Area Profile

Swiss Valley & Llangennech Population
7,653
Population density
342.5 per km²

Crime

Crime per 1,000 population

Violence and sexual offences
20.91(-38%)
Anti-social behaviour
6.4(-51%)
Public order
4.31(-48%)
Criminal damage and arson
3.14(-57%)
Other theft
2.74(-40%)
Wales average

Demographics

Ethnic groups

British
7,319
95.64%
Other White
90
1.18%
Other Asian
40
0.52%
Chinese
24
0.31%
Pakistani
23
0.3%
Total population: 7,653

Economics

Education (age 16+)

Level 4+ (Degree)
2,060
32.61%
No qualifications
1,125
17.81%
Level 3 (A level)
1,038
16.43%
Level 2 (GCSEs 9-4)
981
15.53%
Level 1 (GCSEs 3-1)
556
8.8%
Total 16+ residents: 6,317

Housing

Housing tenure

Owns outright
1,647
50.14%
Owns with a mortgage
990
30.14%
Social rents from council
266
8.1%
Private landlord or letting agency
226
6.88%
Other social rented
97
2.95%
Total households: 3,285

Property prices in Swiss Valley & Llangennech

Based on 92 recent sales, the median property price is £205,000 in Swiss Valley & Llangennech area, with individual transactions ranging from £98,000 up to £495,000.

Price distribution per property type (last year)

Price distribution by property type for Swiss Valley & Llangennech 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 Swiss Valley & Llangennech over the last year.
TypeSalesMedian
Terraced19£158,500
Semi-Detached33£175,000
Detached40£271,250

10 years median price trend in Swiss Valley & Llangennech

Ten year median sale price trend for each property type in Swiss Valley & Llangennech.

All postcodes in Swiss Valley & Llangennech

SA149UB

Heol Y Mynydd

SA148HR

Llanddyri

SA148WB

Hendre Road

SA148DR

Clos Cribyn

SA148UA

Mwrwg Road

SA148UN

Maesydderwen

SA148EN

Heol Nant

SA149UP

Cleviston Park

SA149UW

Cleviston Park

SA148DE

Oaklands

SA148DZ

Trosserch Road

SA149RT

Pencoed

SA148YP

Bank Road

SA148TZ

Heol Seion

SA148UP

Hendre Park

SA148DS

Heol Beili Glas

SA148HJ

Swiss Valley

SA148ET

Llethri Road

SA148EJ

Swiss Valley

SA148NZ

Swiss Valley

SA148DJ

Ger Y Nant

SA148JA

Swiss Valley

SA148EY

Llethri Road

SA148TU

Park Lane

SA148TR

Tirgof

SA149UG

Penllwyngwyn Road

SA148QL

Haulfryn

SA148JF

Swiss Valley

SA148QQ

Brynmead

SA148LF

Fronhaul

SA148TJ

Heol Plas Isaf

SA148HZ

Swiss Valley

SA148DT

Heol Beili Glas

SA148EL

Heol Nant

SA148QP

Trosserch Road

SA148XP

Maes Ty Gwyn

SA148UJ

Hendre Road

SA148YE

Pontardulais Road

SA148UR

Hendre Park

SA148UG

Maes Road

SA40YQ

Llangennech

SA148YJ

Cwrt Ty Gwyn

SA148FB

Swiss Valley

SA148XZ

Parc Morlais

SA149UN

Penllwyngwyn Road

SA148HG

Tegfynydd

SA148ES

Pennant Road

SA148EF

Cil Yr Onnen

SA148DL

Oaklands

SA148UD

Station Road

SA148NJ

Llannon Road

SA148RX

Clos Plas Isaf

SA148BL

Millfield Road

SA148QA

Llethri Road

SA148XW

Maes Ty Gwyn

SA148UH

Maes Road

SA148FE

Swiss Valley

SA149RY

Llys Y Dderwen

SA149UD

Harddfan

SA148SZ

Heol Morlais

SA148ER

Pennant Road

SA148EG

Pennant Road

SA40YB

Gipsy Lane

SA148PS

Pen Y Bryn

SA148SJ

Maenol Glasfryn

SA148UU

Heol Y Park

SA149RU

Hendre Road

SA148DY

The Lane

SA148QH

Brynmead

SA148QB

Llethri Road

SA148PX

Llangennech

SA148DQ

Brynmead

SA148YU

Allt

SA148AJ

Llwynifan

SA149UH

Penllwyngwyn Road

SA148YS

Heol Mwrwg

SA149UJ

Bryn Uchaf

SA149RR

Penllwyngwyn Farm Drive

SA148BZ

Clos Danylan

SA148DH

Oaklands

SA148DD

Oaklands

SA148DN

Treetops

SA148BU

Swiss Valley

SA148UQ

Talywern

SA148GD

Brynhyfryd

SA148YB

Maes Y Dderwen

SA148EA

Clos Cae Felin

SA149UE

Harddfan

SA148UX

Clos Maes Isaf

SA149RP

Heol-Y-Mynydd

SA148YA

Follet Close

SA148BA

Llys Y Felin

SA148WF

Clos Cae Derw

SA148AZ

Troserch Road

SA148HD

Llethri Road

SA148YT

Nantygro

SA148HH

Lon Yr Eglwys

SA149TT

Gelli Road

SA148TX

Hendre Road

SA148GA

Brynhyfryd

Data Sources

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