House prices in SM1
Sold prices in the SM1 postcode district, from HM Land Registry records.
The average sold price in SM1 over the 12 months to May 2026 was £453,217, across 390 recorded sales. Flats sold for a median of £285,000. Prices fell 1.9% on the previous year.
Average sold price
£453,217
Median sold price
£440,000
Sales (12 months)
390
Year on year
-1.9%
Median sold price, last 12 months
Monthly medians; months with no recorded sales are left blank.
What did each property type sell for?
Flats£285,000138 sales
Semi-detached£565,500118 sales
Terraced£471,500117 sales
Detached£665,00017 sales
What the numbers say
The average sold price in SM1 over the 12 months to May 2026 was £453,217, across 390 recorded sales. Flats were the most traded type, with 138 sales at a median of £285,000, followed by semi-detached homes at £565,500. Prices fell 1.9% on the previous year. The median sale came in at £440,000, below the average, which points to a small number of higher-priced sales pulling the average up.