Option D: you are considered a "disqualified person" to your IRA and as such are prohibited from engaging in any transaction in an IRA or receiving any benefits from the IRA (directly or indirectly), therefore I strongly suggest you avoid this option if you wish to stay out of trouble. 

It may be helpful:I can give you some general info on insuring the property:Here are some things to look for from an Insurance prospective:1.Any in-ground tanks (active or inactive)2.Any Knob & Tube or Aluminum Wiring3.If built before 1978, does the building have Lead Safe certifications4.Any wood stoves or secondary heating units.

My mum currently lives there, she is 80 and not very well, but you would also become a tenant in common and as such if you had the time you could profit 100% from the transaction, as I need cash urgently and am willing to heavily discount the asset.I am wondering if there is a market out there where someone wants to get a foothold in the London market by buying my part of the property.

To be safe, if you build a closet in the room in question,  you won't ever have to explain to your appraiser, and to every potential tenant walking through your property why one of your "bedrooms" doesn't have a closet!  

It’s their full time livelihood to make transactions happen.  

If I can't work remotely for the first few transactions, do you have a solution?

Foreign nationals have the same rights to purchase real estate as German citizens, making it easy for Americans to invest in the German market without additional legal barriers.Furthermore, Germany has a transparent legal process for buying property, ensuring clarity and security throughout the transaction.

In this type of transaction, there is no investor, only notes.

I usually like to start it shorter to be safe if I need to end the tenancy, but I know some people opt for the longer 14-15 month leases.

Eliminate transaction fees2.