This passage is from Charles Dickens’s Little Dorrit, chapter 29:
There was a fair stroke of business doing, as Mistress Affery made out, for her husband had abundant occupation in his little office, and saw more people than had been used to come there for some years. This might easily be❟ the house having been long deserted; but he did receive letters, and comers, and keep books, and correspond. Moreover, he went about to other countinghouses, and to wharves, and docks, and to the Custom House, and to Garraway’s Coffee House, and the Jerusalem Coffee House, and on ’Change; so that he was much in and out. He began, too, sometimes of an evening, when Mrs. Clennam expressed no particular wish for his society, to resort to a tavern in the neighbourhood to look at the shipping news and closing prices in the evening paper, and even to exchange small socialities with mercantile Sea Captains who frequented that establishment. At some period of every day, he and Mrs. Clennam held a council on matters of business; and it appeared to Affery, who was always groping about, listening and watching, that the two clever ones were making money.
What does this might easily be mean here? Was the comma before the house appropriate? Please elaborate.