Onllwyn on the map

Onllwyn built-up area

Built-up area0.2 km² (0.1 sq mi)

Location in Neath Port TalbotOnllwyn sits where the marker shows within the county.

32,546
Population
12,705
Households
12
Schools nearby
£44,534
Avg. household income
706
Businesses
316
People per km²
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About Onllwyn

Onllwyn is a village located in Neath Port Talbot, Wales, within the postcode area SA10. It is situated on the edge of the Brecon Beacons National Park, providing easy access to the park's natural landscapes. The village has a close-knit community feel, with local amenities including a primary school and a few shops catering to residents' daily needs.

The surrounding area is characterised by its scenic views and opportunities for outdoor activities such as walking and cycling. Onllwyn is also near the former coal mining sites, which played a significant role in the region's development. Visitors can explore the nearby trails and learn about the area's industrial past, making it an interesting stop for those looking to appreciate both nature and local heritage.

School Ratings in Onllwyn

Onllwyn is served by 13 schools.

House Prices in Onllwyn

Property prices average £184K across the area, and semi-detached homes are the most common property type, typically selling for £154K.

Crime and Anti-Social Behaviour in Onllwyn

Local crime rates sit lower than national averages. Criminal damage & arson accounts for the highest share in Onllwyn, with 8 incidents logged in May 2026.

Healthcare in Onllwyn

There is 1 GP surgery within three miles of Onllwyn, the nearest being Dulais Valley Prim Care Centre (3 miles away).

Property Prices 3,721 sales

Average Price £184K
£500 , £5.35M
Detached £259K 1,064
Semi £154K 1,493
Terraced £123K 899
Flat £96K 87

Household Income in Onllwyn ONS 2023

The average total household income in Onllwyn is approximately £44,534 a year before tax, 19% below the national average of £55,302. After tax and benefits, the average disposable (net) household income is around £35,617. These are modelled estimates from the Office for National Statistics for the financial year ending 2023.

Onllwyn £44,534
England & Wales avg. £55,302

Net (after tax) household income averages £35,617.

Businesses in Onllwyn ONS 2025

There are approximately 706 active businesses based in Onllwyn, around 22 for every 1,000 residents. The local economy is dominated by small firms: about 86% are micro-businesses employing fewer than 10 people, while 15 are larger employers with 50 or more staff. Figures are from the Office for National Statistics UK Business Counts.

706 Total businesses
22 Per 1,000 residents
Micro, 0-9 86%
Small, 10-49 9%
Medium, 50-249 2%
Large, 250+ 3%

Crime in Onllwyn 82 crimes · May 2026

Low Crime Area

Reported crime in Onllwyn falls below the national average, suggesting a comparatively safe environment. Violence & sexual offences tops the list of recorded incidents, but figures are low overall. Residents and visitors alike tend to find this a quiet and reassuring town.

Violence & Sexual Offences 42
Criminal Damage & Arson 8
Public Order 8
Other Theft 7
Anti-Social Behaviour 5
Shoplifting 5
Vehicle Crime 2
Other Crime 2
Burglary 1
Drugs 1
Weapons 1
Local Policing
South Wales Crynant, Onllwyn and Seven Sisters Visit force website →
Data from data.police.uk · Contains public sector information licensed under the Open Government Licence v3.0
Crime figures depend on reporting by individual police forces and may not reflect the full picture in all areas.

Nearest Train Stations 1 stations

Treherbert Train Station 9.7 miles

Location

Local Government

District Neath Port Talbot
Ward Coedffranc Central
Constituency Aberavon
Parish Coedffranc

Home Ownership in Onllwyn

Of the 13,302 households in and around Onllwyn, 73% are owned, 15% are socially rented and 12% are privately rented. Home ownership here is higher than the England and Wales average of 63%.

Owned 73% Social rented 15% Private rented 12%

Tenure from the 2021 Census (ONS), for the postcode districts covering Onllwyn.

Frequently Asked Questions about Onllwyn

What is the population of Onllwyn?
Onllwyn has a population of approximately 32,546 residents, based on the latest census figures for the surrounding postcode area.
What is the average house price in Onllwyn?
The average property in and around Onllwyn sold for about £184,320, based on HM Land Registry Price Paid records. That is around 47% below the England and Wales average of £349,091.
What postcodes cover Onllwyn?
Onllwyn is covered by the SA10 postcode district.
How many schools are there in Onllwyn?
There are 12 schools within easy reach of Onllwyn, spanning primary, secondary and other phases.
Where is the nearest train station to Onllwyn?
The nearest railway station to Onllwyn is Treherbert Train Station, about 9.7 miles away.