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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 moderate deprivation and moderate crime levels, with around 39 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
3/10
Crimes per 1k residents
39
Deprivation level
3/10
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
21.3(-42%)
Anti-social behaviour
6.01(-59%)
Criminal damage and arson
4.57(-43%)
Public order
4.31(-52%)
Other crime
3.27(+39%)
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 81 recent sales, the median property price is £205,000 in Swiss Valley & Llangennech area, with individual transactions ranging from £98,000 up to £517,500.

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
Detached34£297,500
Semi-Detached27£190,000
Terraced20£165,000

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

SA148WF

Clos Cae Derw

SA148BU

Swiss Valley

SA148AH

Aber Llwchwr

SA148TL

Heol Y Parc

SA149RS

Hendre Road

SA148HG

Tegfynydd

SA40YB

Gipsy Lane

SA148HE

Tegfynydd

SA148TY

Rhandir Terrace

SA148EJ

Swiss Valley

SA148UD

Station Road

SA148UY

Station Road

SA148HJ

Swiss Valley

SA149UH

Penllwyngwyn Road

SA148UA

Mwrwg Road

SA148UF

Estuary Park

SA148AJ

Llwynifan

SA148AX

Trosserch Road

SA148DD

Oaklands

SA148ER

Pennant Road

SA148HA

Llethri Cottages

SA148TJ

Heol Plas Isaf

SA148EY

Llethri Road

SA148DA

Oaklands

SA148UG

Maes Road

SA148GB

Brynhyfryd

SA148LZ

Swiss Valley

SA149RQ

Maes Y Bryn

SA148DJ

Ger Y Nant

SA148GF

Brynhyfryd

SA148UR

Hendre Park

SA148NX

Llannon Road

SA148YY

Pen Yr Allt

SA149RU

Hendre Road

SA148BP

Dan Y Lan

SA148DT

Heol Beili Glas

SA148TT

Afon Road

SA148EH

Heol Nant

SA148BZ

Clos Danylan

SA148HZ

Swiss Valley

SA148DP

Treetops

SA148DQ

Brynmead

SA148DU

Larch Crescent

SA148DZ

Trosserch Road

SA148YP

Bank Road

SA148DF

Hilltop

SA148EE

Glyn Y Swisdir

SA148WA

Hendre Close

SA149UA

Heol Tabor

SA148QB

Llethri Road

SA148UX

Clos Maes Isaf

SA148DW

Treetops

SA148BA

Llys Y Felin

SA148HF

Nantfach

SA149RY

Llys Y Dderwen

SA148HD

Llethri Road

SA148QH

Brynmead

SA148UJ

Hendre Road

SA149UP

Cleviston Park

SA148NJ

Llannon Road

SA148TR

Tirgof

SA148UQ

Talywern

SA148BR

Swiss Valley

SA148ES

Pennant Road

SA148QA

Llethri Road

SA148EZ

Clochyrie Cottages

SA148EG

Pennant Road

SA148EL

Heol Nant

SA148HR

Llanddyri

SA148JA

Swiss Valley

SA148YU

Allt

SA148QQ

Brynmead

SA148TZ

Heol Seion

SA148XW

Maes Ty Gwyn

SA148DY

The Lane

SA148EA

Clos Cae Felin

SA148ED

Clos Y Ddraenen

SA148EN

Heol Nant

SA148ET

Llethri Road

SA148PX

Llangennech

SA148EF

Cil Yr Onnen

SA148LE

Pennant Road

SA148LF

Fronhaul

SA148UE

Station Road

SA148UW

Maesydderwen

SA149RR

Penllwyngwyn Farm Drive

SA148DG

Llys Westfa

SA148WD

Maes Yr Efail

SA148BW

Dan Y Lan

SA148EW

Pennant Road

SA148TU

Park Lane

SA148UB

Bank Road

SA149RT

Pencoed

SA148DE

Oaklands

SA148JB

Swiss Valley

SA149TU

Penybryn

SA149UB

Heol Y Mynydd

SA148BS

Swiss Valley

SA148DH

Oaklands

SA148FB

Swiss Valley

Data Sources

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