Quite satisfied, he closed his door, and locked himself in; double-locked himself in, which was not his custom. Thus secured against surprise, he took off his cravat; put on his dressing-gown and slippers, and his nightcap; and sat down before the fire to take his gruel.

I have added an other photo to the SBS, to show they are shutters, not doors.

Part of a small 'French' restaurant, not open for lunch.