OBJECTIVES: Older informal carers play an increasingly important role in supporting others with long-term health conditions. This study aimed to explore in depth the perspectives of older carers (70+ years) supporting others with a variety of conditions and disabilities focusing on their thoughts and experiences about when they are unable to continue caring. DESIGN: Qualitative with four focus groups. SETTING: Greater London, UK. PARTICIPANTS: 28 older carers (70+ years) recruited from the voluntary sector participated in this study.