The semi-detached home remains Britain’s most loved housing type, shaping family life for generations. This article explores how the value of semis varies widely across the UK, from London’s seven-figure prices to far more attainable regions, and why their emotional pull remains as strong as ever.

With plans announced to raise the council tax surcharge on higher-value homes, this snapshot looks at how many £2m-plus properties have actually sold across the UK this year. The data shows a highly concentrated market, dominated by London, and reveals just how small this sector is nationally despite the noise around a “mansion tax.”

This map highlights parts of Attleborough where many homes have spare bedrooms sitting unused. Extra space brings comfort and flexibility, but it also carries costs and questions about whether a home still fits its owner’s stage of life. Understanding where space is underused helps spark thoughtful conversations about future housing choices.

This data shows a clear north–south split in UK housing supply. Homes for sale are rising across London and the South, while much of the North is seeing stock fall. The contrast raises questions about affordability, confidence, and whether higher supply in the South could limit house price growth into 2026.