House prices in SO40
Sold prices in the SO40 postcode district, from HM Land Registry records.
The average sold price in SO40 over the 12 months to May 2026 was £370,100, across 525 recorded sales. Detached homes sold for a median of £470,000. Prices rose 3.5% on the previous year.
Average sold price
£370,100
Median sold price
£340,000
Sales (12 months)
525
Year on year
+3.5%
Median sold price, last 12 months
Monthly medians; months with no recorded sales are left blank.
What did each property type sell for?
Detached£470,000185 sales
Semi-detached£340,000143 sales
Terraced£278,750136 sales
Flats£175,00061 sales
What the numbers say
The average sold price in SO40 over the 12 months to May 2026 was £370,100, across 525 recorded sales. Detached homes were the most traded type, with 185 sales at a median of £470,000, followed by semi-detached homes at £340,000. Prices rose 3.5% on the previous year. The median sale came in at £340,000, below the average, which points to a small number of higher-priced sales pulling the average up.