No refund received even though I cancelled within the free-cancellation period

Not even worth a star. I made a booking on 29 July via booking.com with the free cancellation option. I fully pre-paid our reservation on 31 July, even though this wasn't needed. On 2 August, my child tested positive for Covid and I cancelled the booking on 3 Aug (still within my free cancellation period).

I followed up with Treelands whether cancellation was received and the owner/manager Caj van Zyl, confirmed and asked that I give him until the after the long weekend which I happily agreed to.

When I follow up after the long weekend, all my messages and phone calls were left unanswered (read: dodging my calls).

Finally on 17 August after accusing me of harassment, he promised to sort this out at month end.

Today 3 Sept - still no refund. Not answering my phone call or responding to my message.