This isn't particularly unusual. I live in a house (with a garden) in Liverpool and don't have a car. I cycle the 2.5 miles to work, and there are frequent buses and trains to move around more broadly.

There are certainly times it would be more convenient to have a car, and most people around here do. I've just never got around to it (though I do have a licence, and hire one maybe once a year for a trip to somewhere awkward).

If you live near the middle of London, on the other hand, a car is positively unusual: the public transport is ubiquitous, often faster than sitting in traffic, and much cheaper than parking. That's not true of most places in Europe, though.