Sherlock made a 'harrumph' sort of noise and very dramatically rolled his eyes, looking enough towards John that he would see it, before looking out the window again.

It was a rather awkward, quiet trip to Baker Street. When they arrived, Sherlock got himself out of the taxi and awkwardly got up the curb to the door, leaving John to lay the fare.

He frowned and looked at the straightened knocker, unstraightening it again. "Damnit." he grumbled. "Mycroft is here."