@1001 others What you are doing sounds good to me, have a look at this image and see if you can actually do anything with the way things are actually on your desk. The mirror to counter the door situation seems like a good fix and I have seen this mentioned as a way to get around having your back to the door.
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@Arts911 Young children are sensitive to energy changes so I had a look and it seems it is suggested you do it when they aren't in the house. Maybe if it's a nice day they could play in the garden while you do it.
Never do space clearing with babies or children under eight years old present. Please be sure to make arrangements for them to be taken care of elsewhere during the ceremony.
www.spaceclearing.com
@Yogarow I had a quick look for you, I am in no way an expert but it seems there are fixes for the coffin position. Have a read of this x At least if you look into it now when you do come to move you can look for the things you don't want to have, toilet over the front door for instance.
Beds and bedrooms can present numerous challenges for good feng shui flow through your home and a bed aligned with a door is one feng shui no-no.
www.thespruce.com