Extension cost guide Part 2: Double storey
In the second instalment of our extension cost series, the Build It Estimating Service’s Adrian Wild sets out indicative prices for popular two-storey additions
Adrian Wild is managing director of HBXL Building Software, which powers the Build It Estimating Service. The service will enable you to calculate your project costs right down to the last roof tile. Find out more at
www.self-build.co.uk/estimate If you’re after a value-for-money route to adding more space to your property, look no further than two-storey extensions. This style offers a great chance to rebalance interior layouts, for instance by getting the right mix of bedrooms versus bathrooms upstairs whilst integrating contemporary open-plan space on the ground floor.