I suspect the parking would be terrible. I park at a family's off street parking space. I do recommend the half car/train, half walk approach to work. It's the only exercise I do but better than nothing which I did before. A friend of mine was killed cycling into work, so personally that's not an option for me. Had a drink last night, so i didn't drive home. When that happens, I get the train to London bridge and walk along southbank thames to work, crossing the river at st paul's. It's a really lovely walk.