Ynys-isaf on the map

Location in PowysYnys-isaf sits where the marker shows within the county.

17,763
Population
6,683
Households
12
Schools nearby
£39,996
Avg. household income
462
Businesses
97
People per km²
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About Ynys-isaf

Ynys-isaf is a small settlement located in Powys, Wales, within the postcode area SA9. It is situated near the River Tawe, offering a scenic view of the surrounding countryside. The area is primarily rural, with a few residential properties and local farms contributing to the landscape.

Visitors to Ynys-isaf can enjoy outdoor activities such as walking and cycling, taking advantage of the nearby trails that wind through the beautiful Welsh scenery. The settlement is also conveniently located for those wishing to explore the larger towns and attractions in the region, making it a suitable base for exploring Powys and its natural beauty.

School Ratings in Ynys-isaf

Ynys-isaf is served by 13 schools.

House Prices in Ynys-isaf

Property prices average £167K across the area, and semi-detached homes are the most common property type, typically selling for £136K.

Crime and Anti-Social Behaviour in Ynys-isaf

Local crime rates sit broadly in line with national averages. Criminal damage & arson accounts for the highest share in Ynys-isaf, with 13 incidents logged in May 2026.

Healthcare in Ynys-isaf

There are 3 GP surgeries within three miles of Ynys-isaf, the nearest being Kaleidoscope The Manse (0.9 miles away).

Property Prices 1,872 sales

Average Price £167K
£100 , £3.34M
Detached £241K 493
Semi £136K 649
Terraced £118K 559
Flat £82K 20

Household Income in Ynys-isaf ONS 2023

The average total household income in Ynys-isaf is approximately £39,996 a year before tax, 28% below the national average of £55,302. After tax and benefits, the average disposable (net) household income is around £32,039. These are modelled estimates from the Office for National Statistics for the financial year ending 2023.

Ynys-isaf £39,996
England & Wales avg. £55,302

Net (after tax) household income averages £32,039.

Businesses in Ynys-isaf ONS 2025

There are approximately 462 active businesses based in Ynys-isaf, around 26 for every 1,000 residents. The local economy is dominated by small firms: about 91% are micro-businesses employing fewer than 10 people, while 4 are larger employers with 50 or more staff. Figures are from the Office for National Statistics UK Business Counts.

462 Total businesses
26 Per 1,000 residents
Micro, 0-9 91%
Small, 10-49 7%
Medium, 50-249 1%
Large, 250+ 1%

Crime in Ynys-isaf 96 crimes · May 2026

Average Crime Area

Ynys-isaf experiences crime rates that are roughly comparable to the national picture. Violence & sexual offences is the most reported category, consistent with broader patterns across similar communities. Day-to-day life here reflects the usual mix of challenges found in any established small town.

Violence & Sexual Offences 49
Criminal Damage & Arson 13
Anti-Social Behaviour 12
Public Order 9
Other Theft 6
Shoplifting 4
Drugs 2
Vehicle Crime 1
Local Policing
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

Skewen Train Station 9.7 miles

Location

Local Government

District Powys
Ward Aber-craf and Ystradgynlais
Constituency Brecon and Radnorshire
Parish Ystradgynlais

Home Ownership in Ynys-isaf

Of the 7,967 households in and around Ynys-isaf, 70% are owned, 18% are socially rented and 12% are privately rented. Home ownership here is higher than the England and Wales average of 63%.

Owned 70% Social rented 18% Private rented 12%

Tenure from the 2021 Census (ONS), for the postcode districts covering Ynys-isaf.

Frequently Asked Questions about Ynys-isaf

What is the population of Ynys-isaf?
Ynys-isaf has a population of approximately 17,763 residents, based on the latest census figures for the surrounding postcode area.
What is the average house price in Ynys-isaf?
The average property in and around Ynys-isaf sold for about £167,404, based on HM Land Registry Price Paid records. That is around 52% below the England and Wales average of £349,091.
What postcodes cover Ynys-isaf?
Ynys-isaf is covered by the SA9 postcode district.
How many schools are there in Ynys-isaf?
There are 12 schools within easy reach of Ynys-isaf, spanning primary, secondary and other phases.
Where is the nearest train station to Ynys-isaf?
The nearest railway station to Ynys-isaf is Skewen Train Station, about 9.7 miles away.