On average Portslade by Sea has average deprivation and average crime levels, with around 65 crimes per 1,000 residents per year, about 23% below the South East average of 84 per 1,000. Approximately 8.3% of homes in this area are social housing provided by a local council or housing association. The average income per household in Portslade by Sea is £62,233 per year. There are 3 schools in Portslade by Sea: 3 primary (0 Outstanding and 2 Good) and 0 secondary (0 Outstanding and 0 Good). Portslade by Sea is home to around 8,646 people, with a population density of about 5,378.9 per km².
Based on 83 recent sales, the median property price is £428,500 (about £474 per square foot) in Portslade by Sea area, with individual transactions ranging from £200,000 up to £3,700,000.
| Type | Sales | Median | £/sq ft |
|---|---|---|---|
| Detached | 9 | £860,000 | £522 |
| Semi-Detached | 20 | £823,500 | £624 |
| Terraced | 23 | £447,500 | £463 |
| Flats | 31 | £275,000 | £455 |
Sale price
| Year | Detached | Flats | Semi-Detached | Terraced |
|---|---|---|---|---|
| 2016 | £555,000 | £250,000 | £595,000 | £418,500 |
| 2017 | £655,000 | £247,500 | £592,000 | £420,000 |
| 2018 | £675,000 | £245,000 | £673,000 | £415,000 |
| 2019 | £575,000 | £270,000 | £618,000 | £410,000 |
| 2020 | £725,000 | £260,000 | £625,000 | £420,000 |
| 2021 | £750,000 | £276,000 | £692,500 | £440,000 |
| 2022 | £1,040,000 | £285,000 | £855,000 | £553,000 |
| 2023 | £818,750 | £280,000 | £825,000 | £490,000 |
| 2024 | £860,000 | £297,500 | £796,000 | £427,500 |
| 2025 | £819,000 | £280,000 | £836,636 | £513,110 |
| 2026 | £1,042,500 | £332,500 | £815,000 | £403,850 |
Price per sq ft
| Year | Detached | Flats | Semi-Detached | Terraced |
|---|---|---|---|---|
| 2016 | £476 | £419 | £406 | £366 |
| 2017 | £429 | £446 | £466 | £386 |
| 2018 | £472 | £407 | £458 | £393 |
| 2019 | £519 | £423 | £478 | £395 |
| 2020 | £589 | £435 | £514 | £380 |
| 2021 | £524 | £424 | £537 | £417 |
| 2022 | £621 | £454 | £566 | £524 |
| 2023 | £626 | £448 | £570 | £479 |
| 2024 | £539 | £446 | £552 | £452 |
| 2025 | £527 | £465 | £615 | £494 |
| 2026 | £596 | £421 | £543 | £456 |
All data is sourced from official UK government agencies and public datasets. Last updated: 16/07/2026. Read more about how our statistics are calculated.