Postcode insights

SA10 9NL

Onllwyn Road

Crynant, Onllwyn and Seven Sisters

Interactive map showing SA10 9NL and surrounding area

Detailed insights for SA10 9NL

Overview

Postcode SA10 9NL is located in a rural village, within the Crynant, Onllwyn and Seven Sisters ward of Neath Port Talbot in the Wales region, and forms part of the Dulais Valley area. It has high deprivation and high crime levels, with around 79.4 crimes per 1,000 residents per year, in line with the Wales average of 86 per 1,000. The average income per household in Dulais Valley is £43,160 per year. The nearest station is Treherbert, about 9.6 miles away. There are no primary and no secondary schools in the area.

Crime rate
8/10
Crimes per 1k residents
79
Deprivation level
8/10
Income level
5/10
Social housing
9.9%
Connectivity
N/A
Flood Risk
N/A
Noise Level
No noise

Deprivation level

8/10

Dulais Valley has a high level of deprivation, ranked at position 508 out of 32,844 areas in the United Kingdom, placing it within the top 2% most deprived areas in Wales.

Crime level

8/10

Dulais Valley has a high crime rate, with approximately 79.4 reported incidents per 1,000 population each year.

Social housing

9.9%

Approximately 9.9% of homes on this street are social housing provided by a local council or housing association. Across the surrounding area, around 18.5% of dwellings are socially rented.

Income level

5/10

The average income per household in Dulais Valley is £43,160 per year.

Noise Level

No noise

No significant noise sources from railways or roads near SA10 9NL.

Transport

The nearest station is Treherbert located about 9.6 miles away. There are no other stations nearby.

Parks

No parks nearby

Area Profile

Population
207
Population density
34.4 per km²

Crime

Crime per 1,000 population

Violence and sexual offences
38.43(+13%)
Criminal damage and arson
21.35(+191%)
Public order
10.25(+25%)
Anti-social behaviour
8.54(-34%)
Other theft
3.42(-25%)
Wales average

Demographics

Ethnic groups

British
202
98.06%
White and Black Caribbean (mixed)
2
0.97%
Irish
2
0.97%
Total population: 206

Economics

Education (age 16+)

No qualifications
47
27.65%
Level 4+ (Degree)
46
27.06%
Level 2 (GCSEs 9-4)
25
14.71%
Level 3 (A level)
23
13.53%
Level 1 (GCSEs 3-1)
14
8.24%
Total 16+ residents: 170

Housing

Housing tenure

Owns outright
51
50.5%
Owns with a mortgage
28
27.72%
Private landlord or letting agency
6
5.94%
Other forms of private rent
6
5.94%
Social rents from council
5
4.95%
Total households: 101

Property prices in Crynant, Onllwyn and Seven Sisters

Median price£140,000
Price per sq ft£144
Sales (last 12 months)56
Typical range (middle 50%)£119K – £197K

Based on 56 recent sales, the median property price is £140,000 (about £144 per square foot) in Crynant, Onllwyn and Seven Sisters area, with individual transactions ranging from £65,000 up to £585,000.

Prices by property typelast 12 months

Median sale price, median price per square foot, sales count, and percentile information for each property type in Crynant, Onllwyn and Seven Sisters over the last year.
TypeSalesMedian£/sq ft
Detached12£230,000£171
Semi-Detached28£140,000£145
Terraced16£116,000£126

10-year price trendmedian sale price in Crynant, Onllwyn and Seven Sisters

Sale price

Ten year median sale price trend for each property type in Crynant, Onllwyn and Seven Sisters.
YearDetachedSemi-DetachedTerraced
2016£270,000£107,500£73,500
2017£165,000£87,500£69,995
2018£180,000£104,000£82,000
2019£207,500£105,500£79,500
2020£175,000£107,000£86,000
2021£220,000£132,750£112,000
2022£160,000£135,000£105,000
2023£227,500£132,000£128,000
2024£220,000£149,998£101,000
2025£220,000£147,500£130,000
2026£263,500£195,000£111,000
Ten year median sale price trend for each property type in Crynant, Onllwyn and Seven Sisters.

Price per sq ft

Ten year median sale price per square foot trend for each property type in Crynant, Onllwyn and Seven Sisters.
YearDetachedSemi-DetachedTerraced
2016£120£103£78
2017£125£87£78
2018£120£103£83
2019£131£112£75
2020£151£109£97
2021£182£130£110
2022£148£140£121
2023£179£139£139
2024£223£145£116
2025£166£150£129
2026£269£182£120
Ten year median sale price per square foot trend for each property type in Crynant, Onllwyn and Seven Sisters.

Price distribution by property typelast 12 months

Price distribution by property type for Crynant, Onllwyn and Seven Sisters in the last year.

Recent sales

There were 3 recent sold properties in the last 18 months near SA10 9NL.

Recent sold properties in the last 18 months near SA10 9NL
DateAddressTypeTenurePriceMap
05 Sept 20254, Wembley Avenue, Neath, SA10 9HLSemi-DetachedFreehold£110,000
06 Jun 202522, Wembley Avenue, Neath, SA10 9HLSemi-DetachedFreehold£135,000
23 May 2025The Cottage, Wembley Avenue, Neath, SA10 9HLDetachedFreehold£215,000

Schools

In the SA10 9NL postcode area, located within Dulais Valley, there are 0 primary and 0 secondary schools in close proximity.

Nearby primary and secondary schools for SA10 9NL
DistancePhaseNameTypeRating
0.6 miNot applicableMaesmarchog Community Primary SchoolWelsh establishment

N/A

Local amenities

No amenities nearby

Local councillor and member of parliament

Elected local representatives for SA10 9NL, including ward councillors and the local member of parliament.

Local councillors

Sian Harris

Crynant, Onllwyn and Seven Sisters - Elected 5 May 2022

Independent

Steve Hunt

Crynant, Onllwyn and Seven Sisters - Elected 5 May 2022

Independent

Member of parliament

Carolyn Harris

Neath and Swansea East - Elected 4 Jul 2024

Labour Party

Geographic Information

RegionWalesUKL
DistrictNeath Port TalbotW06000012
Parliamentary ConstituencyNeath and Swansea EastW07000103
ParishOnllwynW04001026
MSOA (Middle Layer Super Output Area)Dulais ValleyW02000200
LSOA (Lower Layer Super Output Area)Neath Port Talbot 002BW01000944
Police ForceSouth Wales
Postcode Introduced2005-01-01

Frequently asked questions about SA10 9NL

Is SA10 9NL (Dulais Valley) safe?

The area around SA10 9NL records about 79 crimes per 1,000 residents per year, which is a high crime rate for England: it scores 8 out of 10 on the Area360 crime scale, where 10 is the highest crime level. Across Wales as a whole the rate is about 86 per 1,000. The most common offences locally are violence and sexual offences, anti-social behaviour and public order.

What is the average house price near SA10 9NL?

The median sale price around SA10 9NL in Dulais Valley is £140,000 (about £144 per square foot) based on 56 registered sales according to HM Land Registry data.

What schools are near SA10 9NL?

There is 1 school close to SA10 9NL, including Maesmarchog Community Primary School. Ratings are from the latest Ofsted inspections.

How deprived is the area around SA10 9NL?

SA10 9NL scores 8 out of 10 on the deprivation scale, where 10 is the most deprived. Its neighbourhood ranks 508 of 32,844 in England on the official Index of Multiple Deprivation (rank 1 is the most deprived).

Who represents SA10 9NL (Dulais Valley) in Parliament and on the local council?

The Member of Parliament for Neath and Swansea East covering SA10 9NL is Carolyn Harris (Labour Party), elected at the 2024 general election. The area is represented by 2 local councillors: Sian Harris (Independent) and Steve Hunt (Independent).

Nearby Postcodes

Data Sources

All data is sourced from official UK government agencies and public datasets. Last updated: 16/07/2026. Read more about how our statistics are calculated.