Had the exact same. Absolutely shocking, shocking behaviour, considering the amount you'll effectively hand over to them over the course of the term. Banks are just the worst, period.
Take comfort it this: persevere a little more, and soon, it will all be over. And trust me, you'll completely forget about it, never, ever think about it again, and will instead be blissfully ensconced in the new abode, enjoying life to the fullest.
And if you want to put the experience to a positive use, harness your rage to endeavour to overpay as much as you can afford each month (assuming you're on variable), thereby reducing their profit as much as possible over the term.