A locality in Blaenau Ffestiniog.
Sold house prices in Trawsfynydd have an overall average of £134,898, based on all 138 residential sales on record — drawn from every recorded UK house sale.
Medians over the most recent 12 months of all UK property sales (to April 2026). Median is used, not mean — it isn't skewed by the odd very-high sale.
Across Trawsfynydd, the median sold price over the 12 months to April 2026 was £122,500 — it rose 1.7% on the year before. That reflects 16 recorded sales. Detached homes are the priciest at a median of £343,996, while terraced homes are the most affordable at £111,500. Over the past year, semi-detached homes moved the most (-16.2%).
These figures track the median of prices actually paid, not a like-for-like index. A move can reflect a change in what sold — more new homes, or a different mix of house types and sizes — as much as any change in what a given home is worth.
| Type | Median | 12-month change | Sales |
|---|---|---|---|
| Terraced | £111,500 | -1.3% | 8 |
| Detached | £343,996 | -3.1% | 5 |
| Semi-detached | £140,000 | -16.2% | 3 |
Change compares the median for the last 12 months with the 12 months before.
How these figures are calculated. Year-on-year change compares the median sold price over the most recent 12 months of data with the 12 months before it. We use the median, not the average, so a few unusually high or low sales don't distort it. Because HM Land Registry data lags — sales take time to be registered — the most recent month or two are provisional and tend to revise upward. Figures track the mix of what actually sold, so they are not a like-for-like index. The same method is used across this site, so an area's figure here matches its ranking in investment trends.
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