I enjoyed it very much and will stay there again.
I had a last-minute business trip to Brussels and hadn't much choice and I was bored by run-off-the-mill business-hotels and wanted something local and uniqe. What I found was this charming little house.
You should note that this is not a hotel; it’s a semi-professional private guest-house, so perhaps it’s not to everybodys taste . The maître is always in stress and never smiles, but he would die to make everything comfortable for you. Some things are little bit French-style (= improvised or only 97% perfect), but hey, that’s Belgium. If you don’t like that, go to run-off-the-mill hotels like Motel One. I found this to be very charming.
The location is perfect, in a footwalks distance to all major offices of the European Union. It’s in a small sidearm to a large street, so it’s very quiet (as of May 2018 there is heavy construction work a few streets away, but they don’t work in the night). No breakfest in the house, but there is a nice cafe 80m away which has french breakfast. Who needs more?
I had the big room (two double-beds, a convertible sofa and dedicated bathroom) for myself. It would be ideal for a family. Bed, bathroom and living-room were perfectly hygenic and clean. No problems there.
Having said all this, full points from me. I'm planning a visit to Brussels with my familiy and we will sure stay at Marie-Antoinette!