Complex sentence: In April 2017 MRC opened second premises at 287-289 Cranbrook Road, Ilford, London and naming the building to Sir Winston Churchill House (North Campus) this was an addition to MRC South Campus Shakespeare House.
Split into simpler sentences: In April 2017 MRC opened second premises at 287-289 Cranbrook Road, Ilford. The new building, named Sir Winston Churchill House (North Campus) supplemented the existing MRC South Campus Shakespeare House.