Sold house prices in SO15 have an overall average of £240,401, based on all 8,272 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 SO15, the median sold price over the 12 months to July 2026 was £260,000 — it rose 4% on the year before. That reflects 571 recorded sales. Detached homes are the priciest at a median of £490,000, while flat/maisonette homes are the most affordable at £167,250. Over the past year, other homes moved the most (+73.6%). Within SO15, the SO15 7 sector saw the strongest recent growth (+3%) and SO15 1 the softest (-38%).
New-build homes were 0% of recent sales, a share that is falling.
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 |
|---|---|---|---|
| Flat/Maisonette | £167,250 | +1.4% | 234 |
| Semi-detached | £337,500 | -0.3% | 142 |
| Terraced | £275,000 | +0.9% | 132 |
| Detached | £490,000 | +3.2% | 43 |
| Other | £425,259 | +73.6% | 20 |
Change compares the median for the last 12 months with the 12 months before.
| Sector | 2022 | 2023 | 2024 | 2025 | 2026 | Median |
|---|---|---|---|---|---|---|
| SO15 1 | +2.3% | -2.4% | +19% | +38.9% | -38% | £155,000 |
| SO15 2 | +4.4% | -4.2% | +1% | +20.8% | -16% | £210,000 |
| SO15 3 | +23.9% | -36.3% | +50.8% | -7.2% | -3.6% | £202,500 |
| SO15 4 | +10% | -2.3% | +2.3% | +2.1% | +0.1% | £337,500 |
| SO15 5 | -1.9% | +12.7% | +1.7% | -7.8% | -4.5% | £267,500 |
| SO15 7 | +9.8% | +8% | -8.1% | +6.7% | +3.1% | £475,000 |
| SO15 8 | +17.6% | -9.4% | +10.4% | -0.8% | -1.8% | £258,000 |
Year-on-year change in the median sold price; green = up, red = down. Final column is the latest-year median.
New-build homes were 0% of sales in the latest year, and the share is ▼ falling 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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