Sold house prices in KT18 have an overall average of £556,431, based on all 3,361 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 KT18, the median sold price over the 12 months to July 2026 was £590,000 — it rose 5.4% on the year before. That reflects 214 recorded sales. Other homes are the priciest at a median of £1,285,000, while flat/maisonette homes are the most affordable at £342,500. Over the past year, other homes moved the most (+81%). Within KT18, the KT18 5 sector saw the strongest recent growth (+22%) and KT18 6 the softest (-15%).
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 |
|---|---|---|---|
| Detached | £887,500 | +4.8% | 68 |
| Flat/Maisonette | £342,500 | +9.6% | 63 |
| Semi-detached | £612,500 | +5.6% | 61 |
| Terraced | £440,000 | -13.7% | 19 |
| Other | £1,285,000 | +81% | 3 |
Change compares the median for the last 12 months with the 12 months before.
| Sector | 2022 | 2023 | 2024 | 2025 | 2026 | Median |
|---|---|---|---|---|---|---|
| KT18 5 | +16.5% | -9.6% | +8.8% | -15.4% | +21.6% | £632,500 |
| KT18 6 | +15.6% | -7.3% | +1% | +11.7% | -15.2% | £576,000 |
| KT18 7 | +4% | -9% | +15.2% | +8.4% | -2.7% | £580,000 |
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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