House prices in SM4
Sold prices in the SM4 postcode district, from HM Land Registry records.
The average sold price in SM4 over the 12 months to May 2026 was £484,948, across 271 recorded sales. Terraced homes sold for a median of £515,000. Prices fell 3.0% on the previous year.
Average sold price
£484,948
Median sold price
£490,000
Sales (12 months)
271
Year on year
-3.0%
Median sold price, last 12 months
Monthly medians; months with no recorded sales are left blank.
What did each property type sell for?
Terraced£515,000159 sales
Flats£305,50070 sales
Semi-detached£607,50038 sales
Detached£602,5004 sales
What the numbers say
The average sold price in SM4 over the 12 months to May 2026 was £484,948, across 271 recorded sales. Terraced homes made up 59% of those sales at a median of £515,000, while flats changed hands for a median of £305,500. Prices fell 3.0% on the previous year. The detached homes figure rests on just 4 sales, so it can move sharply from year to year.