Where is everything?
Organise a up to date list of assets or at least the Name Address and Phone number and your account number of the holder of that; bank account shareholding, premium bond.
You might be a firm believer in a Cremation or a Burial but some people have secular beliefs and really are only interested in a disposal of their body with dignity but minimal expense.
You can choose to take charge of this process by pre arranging your funeral or allow your family to be faced with the unctuous funeral director
If the Local Authority are eroding your estate by Care Charges , they will leave you with £14,250 . If your family are using your resources to pay for the funeral then circa £5,000 will be deducted from £14,250 Alternatively if you were to pre arrange your funeral in your lifetime then the Local Authority would have to support you earlier.
Day to day accounts could be joint so that no formal process is required.
Ensure that all Insurance Policies and Pension Funds are nominated to someone by writing in Trust.
I have conducted several full probates just to release a Policy. Can YOU lay your hand on your policy nomination form.
I typically talk to Nurses who joined the NHS when they were to 18, and 30 years later their mother is still nominated to receive the benefit.