I had exactly this, my Mother refused to appoint me as POA as she thought I was stealing from her😱.
She went senile overnight and was admitted to hospital then a nursing home.
I applied to the Court of Protection to get guardianship ( I was her only surviving child).
The form took me 2/3 days to complete but a solicitor will charge around £800.
It wasn’t easy but it’s doable.
Whilst waiting the many months for deputyship I got all her finances together and made an appointment with her bank.
They were incredibly helpful.
They got everything lined up so within 48 hours of being appointed deputy I had control.
I had pretended to be her on the phone to stop the very many standing orders to charities and appliance insurance, Sky etc stopped, wrong I know but her account was haemorrhaging money.
I saved her nearly £500 a month.
I also got in touch with Adult Services, they arranged a deferred payment scheme so the nursing home would be paid once deputyship came through.
This wasn’t straightforward and I ended up with final demands for 10’s of thousands of pounds.
Fortunately I had an email trail so I could prove they had made an error.
I also succeeded in getting her the full attendance allowance which was paid into her bank account.
I eventually got her house sold, although until deputyship arrived legally I shouldn’t have even been inside.
It was a very difficult time for me, I had panic attacks, felt enormously let down by her as always and had a devil of a job sorting her finances, the stress took its toll.
I would urge anyone reading this to get a POA in place, I wouldn’t put anyone though the pain.
It can be done online for around £100.
I stress never stole a thing from her!
A big shout out to HSBC they were beyond professional and even sent me a bouquet of flowers after my first meeting.