Don't be dissuaded by the formal interior. You can get a nice bowl of pasta for lunch for around £12 and the service is prompt meaning you are in and out in no time.
Ask Fabrizzio for a Sicilian wine recommendation, they do some amazing wines and, if you know them like he does, you'll get an astonishing wine for the money.
If I could give less than one star I would do it without thinking. Food really poor quality, not pleasant service and arrogant staff, all this followed by a scary payment. I advise you not to go there