Watch out for their ways of quotes - my annual increase was 37%?!

I posted a previous complaint on Outsurance on Hello Peter on 25 July 2019 - after I became aware that they raised my premiums by a stupid 37%!!!

I then heard back from them - stating that this "isn't their norm" and that they suspect their actuaries must've made a big mistake - and that they would get back to me after looking into the matter.

Since then, all I've heard/received back from Outsurance was 2 policy update emails - the one on 30 July - for the exact same amount (i.e. a 37% increase!), and then again on 5 Aug - the second time round for a "lower" BUT STILL THIRTY PERCENT INCREASE - also noting that I hold 2 separate policies with them - and both were increased by 37%, but I only received confirmation that 1 of the 2 was "lowered" to "only" 30%?!

To make things even worse, when I discussed this joke with them, it became clear that I was being penalized for a claim amount that was indeed much higher than the amount actually having been paid out for the claim (I suspect due to them having still paid another of their own appointed contractors who tried to claim that a leak "was caused by a pipe that runs through the ceiling to the geyser - after which I made the contractor aware that the geyser they were blaming was indeed a gas geyser of which no pipes indeed ran through the ceiling - and then (obviously) requested Outsurance to please appoint a contractor that actually knew what they were doing... so how on earth can they then transfer any of those related costs/"risk" over to my profile - AND THEN STILL DON'T DO ANYTHING ABOUT IT AFTER I INFORMED THEM OF IT?! They also said that they were "going to follow up on, fix, and get back to me" - which also never happened...

What more do I need to say...