Many Solihull homeowners are choosing house extensions instead of moving,...

https://research-wiki.win/index.php/Why_Do_Ground_Conditions_Blow_Up_Extension_Budgets_in_Older_Parts_of_Solihull%3F

Many Solihull homeowners are choosing house extensions instead of moving, saving up to £246,000—the average price gap between semis and detached homes