UK Customs drilled holes into my hand-carved table imports... what should I do?

I recently exported 4 beautiful, hand painted end tables from Pakistan to the UK, sent by courier. The packages were perfectly fine when I shipped them form Pakistan but when I received them in London, the tables had numerous holes drilled into them; holes the size of a ballpoint head.

The tables are completed ruined, and there's no way I can use them now. GBP 400, down the drain. No one from Customs called me to notify me, nor did they leave a slip with contact information.

This is really pissing me off. I assume they were doing a drug check, but surely there has got to be a better way to do this. Do I have any recourse to get UK Customs to compensate me? How can they just get away with this?

The tables are items that I was importing to sell on my e-commerce/ home decor website, www.relovedapp.co.uk.