Jeroen's apartment was in a very convenient location for my itinerary and his home decor was simple yet chic! The stairs leading to the apartment were a bit small and very steep, so anyone with vertigo or a poor sense of balance might be better off staying in a different apartment. And maybe don't bring really heavy luggage unless someone really strong and with a great sense of balance is able to easily lug it up those steep stairs!
I had the misfortune of having my stay coincide with an unexpected heat wave, so not having air conditioning and staying in a room that trapped heat like a greenhouse (even with the drapes closed so the sun couldn't stream in) was really uncomfortable. However, after the first night, Jeroen did offer me a small fan which was an absolute life saver, though it just got hotter and hotter as my trip progressed. The room came with a small refrigerator, which helped keep my drinking water cool, but it didn't seem to get very cold.
I would be happy to return to stay in Jeroen's apartment any day that wasn't terribly hot, as the apartment was clean, chic, and very conveniently located. I'd also want to return so that I could take advantage of the lovely private outdoor space!