Sold house prices in Thornton Heath have an overall average of £349,303, based on all 5,165 residential sales on record — drawn from every recorded UK house sale.
Medians over the most recent 12 months of all UK property sales (to July 2026). Median is used, not mean — it isn't skewed by the odd very-high sale.
Across Thornton Heath, the median sold price over the 12 months to July 2026 was £390,000 — it was little changed on the year before. That reflects 385 recorded sales. Detached homes are the priciest at a median of £550,000, while flat/maisonette homes are the most affordable at £240,000. Over the past year, other homes moved the most (-10%). New-build homes were 0% of recent sales, a share that is steady.
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 | £430,000 | +1.2% | 220 |
| Flat/Maisonette | £240,000 | -4% | 104 |
| Semi-detached | £450,000 | +3.2% | 41 |
| Other | £475,000 | -10% | 13 |
| Detached | £550,000 | -7.2% | 7 |
Change compares the median for the last 12 months with the 12 months before.
New-build homes were 0% of sales in the latest year, and the share is ▬ steady over the period — a marker of how much new housing is being built here (not a price forecast). See the new-build chart above.
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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