Four. The ReLive 103 C has a powder-coated frame and padded seat, and is the most affordable. The 205 C is a lightweight chrome-plated model. The 208 C adds a footrest, and the 209 C adds both a footrest and four castor wheels so it can be moved between rooms.

It is a 4-litre HDPE bucket with a lid, designed to lift out, empty, and rinse easily. The lid helps contain odour between uses — a small detail that matters a great deal in a shared home.

The models with a detachable seat adjust through a snap-button mechanism, so the seat height can be set to suit the user — important for standing up safely. Seat width and depth are about 38 by 40 cm across the range.

The ReLive 209 C — it has four castor wheels with locks, so it can be wheeled where it is needed and held still in use. If the chair will stay in one place, a fixed-leg model like the 103 C or 205 C is cheaper and more stable.

Yes, the frames fold, so the chair can be put away between uses or packed for travel — useful in homes where a permanent bedside commode is not wanted.

A commode chair stays in one place (or rolls between rooms) and is a toilet aid. A Winn commode wheelchair is a full wheelchair with a commode provision, for users who also need to be wheeled longer distances. If mobility is the main need, look at the Winn commode range.