M
Welcome to the forum, you might want to have a look at the following FAQ which explains where everything is
Welcome to Benefits and Work In case you are not aware, your real name appears to be showing in the forum, if you want to change this then follow the instructions in the following FAQ
My full name is showing, how can I stop it?
Home assessments are not common but your receiving one is not unusual it is just an acceptance by the Assessment Provider that you would struggle to attend at their offices.
You can rearrange the appointment once, you will have to attend the new one or you risk your claim being closed for failing to attend. There won't be any negative view if you rebook.
Gordon