Hi Ksenia,
Welcome to our community forums!
I am really sorry to hear there has been damaged caused to your property and our team have not been able to assist you. You can see our complaints code of practice here, virg.in/compscop.
Have you been able to raise a complaint with our team since your post? If not please pop back on here and I will be more than happy to assist you with your complaint.
Many thanks,
Hetty_R