The original plan for the eastern end envisaged a commercial development focused around the Grand Union Basin and included the Winding building and the Grand Union building. The Richard Rogers Partnership originally designed the latter as three towers of 24, 32 and 40 floors rising to 164m, but the planners imposed a height limit of . The revised scheme comprised six linked blocks of 30 storeys totalling of mixed-use space, but the project was discarded when it looked like the site would be needed by the Health Campus (see below).