This carriage house is located at 1413 Swann St, NW:
The listing says:
“Originally built as a garage, the carriage house has evolved into a wonderful, reno loft-style 2BR, 2BA + office. Inside you will find a bright open floor plan in which everything has been upgraded. kitchen w/ Viking, Sub Zero & Miele appliances including a built-in coffee system and steam oven. Gar pkg & one of DC’s first residential green roof”
You can see more photos here.
This 2 bed/2 bath is going for $735,000.