Never got to see the property as the owner refused to answer my messages and Booking.com couldn't contact them either.

The fact that the owner refused to refund our money despite the fact that they ignored us until we arrived in France, by which time I'd obviously had to book somewhere else. They couldn't understand why I wouldn't bring my children to a property that has never responded to me and has given no instructions for checking in. I repeatedly asked them for a refund and they refused. Avoid this property at all cost!