The median home in Ystradgynlais sells for £220,000
That is the middle of 175 standard sales recorded by HM Land Registry from September 2023 to August 2026, against £277,000 in the typical UK town. The typical home sells for 6.2 times as much as in 1995. Below: what each type of home sells for, the spread of prices, every year since 1995, new builds, the busiest streets and the neighbours. Rents and council tax are on Cost of living.
38% of Ystradgynlais’s sales are detached houses
175 homes sold in three years: 67 detached houses, 63 semi-detached houses and 45 terraced houses.
median sale · 67 sold in 3 years
- Middle half
- £270K–£370K
- Last 12 months
- £345K14 sold
- New build
- £345K
median sale · 63 sold in 3 years
- Middle half
- £130K–£230K
- Last 12 months
- £160K15 sold
- New build
- £250K
median sale · 45 sold in 3 years
- Middle half
- £135K–£198K
- Last 12 months
- £150K9 sold
- New build
- £220K
A mixed market: no one type makes up more than 38% of sales
Standard sales, Sep 2023 to Aug 2026. A median needs 5 sales of a type; “middle half” is the 25th to 75th percentile of 10 or more.
Half of Ystradgynlais’s homes sold for between £148K and £305K
One sale in ten was under £120K and one in ten over £370K. 58% sold for under £250K.
The median, £220,000, sits in the £200–250K band
175 standard sales. Each bar is the number sold in that price band; the darker bar holds the median.
The typical home costs 6.2 times as much as in 1995, a faster rise than Wales’s
Land Registry has recorded every sale since 1995. The median went from £29,000 in 1995 to £180,000 in the last 12 months (£119,950 in 2019).
Fewer homes sell than in most years
38 sales in the last 12 months, against 77 in 2024, the busiest year, and 30 in 2013. Sales fell by 41% from 2007 to 2009 in the financial crisis, and the median by 6%. 2021, the stamp duty holiday, saw 33% more sales than 2020.
Ystradgynlais costs about what Wales does
Median sale price each calendar year: Ystradgynlais, every standard sale in Wales, and the typical UK town (the middle of the town medians, towns of 2,500 or more).
Semi-detached houses rose the most since 1995
| 1995 | 2000 | 2005 | 2010 | 2015 | 2020 | Last 12 months | |
|---|---|---|---|---|---|---|---|
| Detached houses | £60K | £60K | £206K | £150K | £157K | £298K | £345K |
| Semi-detached houses | £28K | £38K | £112K | £112K | £95K | £157K | £160K |
| Terraced houses | £29K | £34K | £85K | £89K | £83K | £110K | £150K |
Calendar years; a year’s median needs 5 sales of the type, so gaps are years with fewer.
Prices are as paid, not adjusted for inflation. Standard (category A) sales only; Land Registry adds a sale when it is registered, so the newest months fill in later.
16% of homes sold in the last 12 months were new builds
68 new homes have been sold in Ystradgynlais since 1995; the share peaked at 38% in 2024.
Calendar years with 10 or more sales, then the last 12 months.
A new home sold for a median £300,000
against £164,975 for a home sold on, 82% more, over three years. New homes are often a different mix from the homes sold on, so part of the gap is size and type.
2% of sales were leasehold
Nearly every flat in England and Wales is leasehold; among houses, 2.3% sold leasehold in Ystradgynlais. A leasehold buyer owns the home for a fixed term and may pay ground rent and service charges; check the lease before you buy.
Maes Yr Ysgol is Ystradgynlais’s busiest street, with 29 sales in three years
10 streets had five or more sales from Sep 2023 to Aug 2026, 5 of them ten or more. A busy street is often a new estate selling its first homes, or a long road of terraces and flats.
| # | Street | Postcode area | Sales | Median | Homes |
|---|---|---|---|---|---|
| 1 | Maes Yr Ysgol | SA9 | 29 | £269,995 | Mixed · new builds |
| 2 | Brecon Road | SA9 | 18 | £163,750 | Mixed |
| 3 | Rhos Y Fedwen | SA9 | 17 | £380,000 | Mostly detached houses · new builds |
| 4 | Station Road | SA9 | 12 | £263,750 | Mixed |
| 5 | Parc Bryn Y Groes | SA9 | 10 | £292,500 | Mostly detached houses · new builds |
| 6 | Heol Giedd | SA9 | 7 | £180,000 | Mixed |
| 7 | Heol Maes Y Dre | SA9 | 6 | £172,000 | Mixed |
| 8 | Heol Glantawe | SA9 | 5 | £210,000 | Mostly terraced houses |
| 9 | Dolfain | SA9 | 5 | £129,500 | Mostly semi-detached houses |
| 10 | Min Y Rhos | SA9 | 5 | £90,000 | Mostly semi-detached houses |
Standard sales with a street name, grouped by street and postcode district (Sep 2023 to Aug 2026); a name used in two districts shows the district. Medians only: we don’t list individual sales.
Ystradgynlais is the 4th most expensive of 7 towns in Powys
Ystradgynlais is in the middle of Powys’s towns to buy in; the typical UK town’s median is £277,000.
Towns of 2,500 or more in Powys with 10+ standard sales; each links to its own Housing page.
Ystradgynlais’s neighbours
Cheaper nearby: Ystalyfera, Gwaun-Cae-Gurwen and Brynamman.
| Town | Miles | Median | Sold, 12 mo | Since 2016 |
|---|---|---|---|---|
| Ystradgynlais | — | £220K | 38 | +140% |
| Ystalyfera | 1.9 | £156K | 66 | +73% |
| Seven Sisters | 2 | £130K | 18 | +57% |
| Cwmllynfell and Ystradowen | 3.1 | £170K | 15 | +77% |
| Creunant | 3.5 | £179K | 15 | +39% |
| Gwaun-Cae-Gurwen | 5.4 | £155K | 27 | +62% |
| Brynamman | 5.4 | £150K | 27 | +74% |
| Resolven | 5.5 | £120K | 34 | +54% |
Median: standard sales over three years (10+ needed). Since 2016: the median over three years against 2016’s. Miles: centre to centre.
Questions about property prices in Ystradgynlais
What is the average house price in Ystradgynlais?
The median home in Ystradgynlais sold for £220,000 from September 2023 to August 2026, across 175 standard sales (£180,000 in the last 12 months). By type: detached houses £325,000, semi-detached houses £160,000 and terraced houses £153,000.
Are house prices going up in Ystradgynlais?
The median was £216,750 in 2025, down 13% on 2024 (£249,995), and £180,000 in the last 12 months. A town’s median moves with the mix of homes sold each year as well as with prices.
How many homes sell in Ystradgynlais each year?
38 standard sales were recorded in the last 12 months, against an average of 53 a year since 2015. Repossessions, company purchases and other non-standard sales aren’t counted.
What are the most expensive streets in Ystradgynlais?
Among streets with five or more sales in three years: Rhos Y Fedwen (SA9, £380,000), Parc Bryn Y Groes (SA9, £292,500) and Maes Yr Ysgol (SA9, £269,995).
How much does a new build cost in Ystradgynlais?
New homes sold for a median £300,000 over three years, against £164,975 for homes sold on. New builds were 31% of sales.
Is Ystradgynlais expensive for Powys?
Ystradgynlais is the 4th most expensive of 7 towns of 2,500 or more in Powys by median sale price.
Sources: HM Land Registry Price Paid, every standard sale since January 1995 (yearly files of 28 September 2026), inside the ONS 2022 built-up-area boundary by postcode (ONS Postcode Directory) · TownRatings grades: our own summary of the data, ranked against UK towns only. All under the Open Government Licence v3.0.
Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0. Postcodes placed with the ONS Postcode Directory (contains OS data © Crown copyright and database right 2026; contains Royal Mail data © Royal Mail copyright and database right 2026).
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