Hi chloe there is parking like 5minutes walk away and if you book online its alot cheaper I was an overnight patient in december and it cost me 20odd to park from 10am to 11am next day I’ve attached a photo of the car park it’s a underground one reviews were hit and miss but I cant fault it no damage to my car etc so all was good, hope this helps I also booked it the day I traveled up to london but you can book in advance also xxxx