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.

This map highlights the average size of homes sold across the UK since 2020, measured in square feet from completed sales. What stands out is how little the averages vary between regions, despite very different housing types. Northern Ireland is the clear exception, with noticeably larger homes on average.

New Year, fresh goals, if moving home by spring 2026 is on your list, now’s the moment to plan. Understand how long properties took to go under offer and complete in 2025, and the key steps you need to hit your timeline. Read on to map out your best move ever.

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.