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Allt-wen

Interactive map displaying Allt-wen

About

Allt-wen is a residential community situated in the Dulais Valley. The area is characterised by terraced housing and local amenities that serve its population. It lies on the lower slopes of Mynydd Marchywel, providing a backdrop of green upland common. The ward includes the neighbouring village of Seven Sisters, which shares its post town.

The Dulais River flows through the area, historically linked to the local anthracite coal industry. Landmarks include the former Alltwen Church school building. The landscape is defined by valley geography, with roads following the contours of the land towards Pontardawe. Community facilities and housing estates are central to the ward's layout.

Area overview

On average Allt-wen has moderate deprivation and very low crime levels, with around 43 crimes per 1,000 residents per year. Approximately 10.2% of homes in this area are social housing provided by a local council or housing association. The average income per household in Allt-wen is £46,770 per year. Allt-wen is home to around 2,721 people, with a population density of about 622.2 per km2.

Crime rate
2/10
Crimes per 1k residents
43
Deprivation level
4/10
Income level
8/10
Social housing
10.2%
Connectivity
N/A

Area Profile

Allt-wen Population
2,721
Population density
622.2 per km²

Crime

Crime per 1,000 population

Violence and sexual offences
20.21(-45%)
Shoplifting
15.44(+122%)
Drugs
10.29(+251%)
Anti-social behaviour
8.09(-44%)
Criminal damage and arson
4.04(-50%)
Wales average

Demographics

Ethnic groups

British
2,648
97.35%
Other White
17
0.62%
White and Black African (mixed)
11
0.4%
Irish
7
0.26%
Pakistani
6
0.22%
Total population: 2,720

Economics

Education (age 16+)

Level 4 qualifications or above
823
37.01%
Level 3 (A level)
364
16.37%
No qualifications
345
15.51%
Level 2 (GCSEs 9-4)
318
14.3%
Level 1 (GCSEs 3-1)
180
8.09%
Total 16+ residents: 2,224

Housing

Housing tenure

Owns outright
446
40.14%
Owns with a mortgage
424
38.16%
Private landlord or letting agency
86
7.74%
Other social rented
65
5.85%
Social rents from council
53
4.77%
Total households: 1,111

Property prices in Allt-wen

Based on 38 recent sales, the median property price is £237,500 in Allt-wen area, with individual transactions ranging from £130,000 up to £600,000.

Price distribution per property type (last year)

Price distribution by property type for Allt-wen 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 Allt-wen over the last year.
TypeSalesMedian
Detached18£287,500
Semi-Detached19£205,000
Terraced1£135,000

10 years median price trend in Allt-wen

Ten year median sale price trend for each property type in Allt-wen.

All postcodes in Allt-wen

SA83AB

Alltwen Hill

SA83AL

Gwyn Street

SA83AF

Bryn Golau

SA83BR

Bryn Llewelyn

SA83AX

Heol Phillip

SA83AZ

Allt-wen

SA83DD

Edward Street

SA83AY

Derwen Road

SA83DJ

Tyn Y Cae

SA83BP

Alltwen Hill

SA83EU

Primrose Lane

SA83BE

Bryn Morgrug

SA83DH

Banwen Lane

SA83DA

Graig Road

SA83BY

Dyffryn Road

SA83DE

Lon Hir

SA83AW

Heol Penrhiwiau

SA83DF

Clos Gelli Wen

SA83AQ

Howells Terrace

SA83AS

Lon Tanyrallt

SA83DQ

Lon Hir

SA83DL

Tyn Y Cae

SA83DB

Edward Street

SA83DG

Bryn Morgrug

SA83AE

Brondeg Lane

SA83AU

Derwen Road

SA83AP

Heol Glanllechau

SA83BD

Clos Gwenallt

SA83DP

Bryn Morgrug

SA83DN

Tyn Y Cae

SA83AJ

Gwyns Place

SA83HY

Wernddu Road

SA83AT

Heol Glynderwen

SA83BA

Ynys Y Mond Road

SA83AD

Mill Row

SA83AR

Lon Tanyrallt

SA83ET

Primrose Lane

SA83BX

Dyffryn Road

SA83AN

Gwyn Street

SA83JA

Tyllwyd

SA83JG

Clos Llwynallt

SA83BL

Lon Y Wern

SA83BT

High Street

SA83BW

Alltwen Chwyth

SA79JE

Allt-wen

SA83AG

Lon Tanyrallt

SA83BS

Penygraig Road

SA83BJ

Lon Y Wern

SA83BN

Heol Y Parc

Data Sources

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