We loved the flat itself, cute, cosy and with no immediate dangers for our 20 months toddler. There were even some games for him to play with. Flori left coffee, milk and some chocolates and biscuits for us, which were really appreciated.
On the downside, take lots of clothing with you. It was really cold in the flat. One of the radiators broke but we got a new one from Flori the day after, but the rooms take a long time to heat. We really appreciated that Flori answered our messages so quickly and got this sorted.
Location wise, it was ok for the Grand Place. Roadworks make difficult to navigate the neighbourhood with a buggy, plus the lift at Flori's place is broken until mid March, so bear that in mind.