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.

UK home sales agreed in 2025 tell a story of steady progress rather than drama. Many regions are seeing uplift thanks to realistic pricing and strong demand, while others are adjusting to affordability and expectations. The market is functioning, confident, and increasingly shaped by local conditions.

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.

There are 243 homes across the UK named “Christmas Cottage”, each adding a festive note to the property map. From a £1.37m sale in Buckinghamshire to values sitting above the national average, these homes show that even a name can carry a seasonal premium and a story of its own.