Terrible this time around - double booked and no refund!

This past and latest interaction with Booking.com has been nothing short of terrible. On Wednesday 11th March I booked at a place close to Edenvale for Friday the 13th. The host called on the Thursday 12th and advised me to cancel, which I did, because there was no water and advised against coming (Morning Hill - very decent of him). I then immediately booked alternative accommodation - Tropical Skyrise Views as the alternative.

On arrival on the next day, Friday, after a 3 hour journey, we were advised that the place was already occupied (double booked) and that Booking.com should not have it on their books as they had no mandate. This was extremely frustrating and irritating as we now needed to find alternative accommodation again, at very short notice, which thankfully I did. I was advised by the host to cancel the booking and then contact Booking.com for a refund.

Cancel it I did, refund I have not got! Neither has Booking.com communicated with me, even after several attempts by myself to contact them via their, so-called, contact service, the latter of which is terrible too.

Terrible service by Bookin.com!