The death of a loved one is always going to be difficult, unfortunately it is a time when many decisions have to be made, and there are legal actions that need to be completed.
Fortunately there are some very useful websites that will take you through the process step by step.
Here are a few.
What to do when someone dies: step by step - GOV.UK
After the legalities have been dealt with, there are no fixed rules to what your ceremony should be like. A funeral should allow you to say goodbye in the way that you want to.
ike allow traditionally there are a few styles of funerals
Burials graveChurches and other religious
In a religious building eg church
In a crematorium pros set up for funerals often nice spaces/ buildings cons very short time often 20-25minutes with no overlap
Burial often freer for time, outside
No body ceromys elebrations