The price to the British taxpayer of all this, as well as policing the demonstrations that take place in the street from time to time, is now around £11,600 a day.
Communicating with the outside world by mobile telephone and laptop, the 41-year-old Australian is trying to avoid being extradited to Sweden, where two women accuse him of rape and sexual assault.
He denies their claims but refuses to go to Sweden without a strong promise that he will not be extradited onwards to the United States, where he would face charges of espionage relating to WikiLeaks. Meanwhile, he describes his living conditions in London as like "being in a space station".
Former high-profile supporters such as Jemima Khan have lost faith in him since he sought asylum, and as the stalemate goes on, even some of those who keep a vigil outside the embassy are becoming disillusioned. One said last week it was all "a dreadful waste of taxpayers' money".
Dominic Shelmerdine, an author, was standing in the rain with half a dozen others on Thursday, holding a laminated placard in support of Assange.
Describing himself as a "staunch Thatcherite Tory" who had stood there "in all weathers" the 52-year-old said he did it because he "believed in the cause of WikiLeaks".
However, the following day, Shelmerdine sent an email to say he was now "minded to give up altogether".