Many people on the street owned Porsches, Ferraris, and there were two Lamborghinis, most were used daily. But, I think there was a restriction of one car per household parked on the street, and most would only have been driving a very short distance through central London -- usually at about 5-6am, before there was much traffic.

BMWs, Mercedes and Lexus cars were more common than the sports cars, and Porsche cars more common than Ferraris and Lamborghinis.

[1] https://www.google.dk/maps/@51.488953,-0.1788157,3a,75y,230.... (take left turns, I think there are five Porsches, and something I don't recognize. But this is probably the weekend, when most of the rich people were away, and normal people "borrowed" the parking spaces. A Porsche shop is 2 minutes walk away, the Lamborghini shop about 5 minutes.)

There's a retired F1 driver who uses a Ferrari Mondial as a daily driver. That's the opposite of the concept in the op question: A Ferrari that looks somewhat more conventional, yet is a true Ferrari under the bodywork. (It was also quite a bit more reliable than its peers.)