EntityQ1134093· pop 5· linked from 24 articlesWillis BuildingSign in to saveGrade I listed office building in Ipswich, Suffolk, England, UKConnectionslisted buildingEntityFoster and PartnersEntityEnglandEntityManchesterEntitygeographic coordinate systemEntityHarold MacmillanEntitySuffolkEntityIpswichEntityescalatorEntityArt DecoEntityNorman FosterEntitygreen roofEntitycantileverEntityhigh-tech architectureEntitycurtain wallEntityRoyal Institute of British ArchitectsEntityconcrete slabEntityHistoric EnglandEntityWillis BuildingEntityNational Heritage List for EnglandEntityCategoriesFoster and Partners buildingsGrade I listed buildings in IpswichGrade I listed office buildingsOffice buildings completed in 1975Office buildings in Ipswich