Fitting the car around specific stops
St Helier Hospital forms part of Epsom and St Helier University Hospitals, which advises that parking there is limited and recommends visitors consider alternative transport where possible. For a stay that already takes in several destinations, this is one leg worth planning around separately, perhaps leaving the car at your accommodation while that particular visit takes place. Ewell West station operates its own car park, with 181 spaces under RingGo code 2031. Where a stay mixes driving with a train journey for part of the trip, that's a practical detail worth having to hand before you set off.
Ewell and the surrounding towns
Ewell sits within the borough of Epsom and Ewell in Surrey, with Epsom, Banstead, Langley Vale and Ashtead all within reach. A stay that takes in destinations across these places doesn't need a different car for each one; the same hire vehicle can move between them as your plans require.