<b><b>The government wants housebuilders to increase housing densities. What better way than reviving that Victorian favourite, the basement. Stephen Hoare looks at those firms that are digging deep to provide that bit extra</b></b><br><b> Cellars of Victorian houses tended to be cramped and unlit coal holes where you would only find a gas meter and some spiders for company. But in a row of modern town houses in Winchester, the basement is back, and home buyers are enthusiastic about the extra space. The development at Oram's Mount by Gleeson Homes includes three storey town houses designed to complement a refurbished 19th century hospital converted to apartments. Inspired by Georgian architecture that achieved high densities in city centres more than 200 years ago, Gleeson's basements are naturally lit and spacious. </b><br><b>Clive Wilding, Gleeson Homes' md, explains that the decision to go for basements was dictated by the constraints of a sloping site. &amp;"We built into the hillside and used the levels to our advantage to create a basement with windows on one elevation and a bridge from the road to the front door. It's a traditional Georgian concept that you might see at Royal Crescent Bath. People are using their basements as …