Windows would be my next check-point (less than R1) and then wall insulation: I would not be surprised if they have no insulation inside, but you can do blow-in, which only requires a small hole.A home looses heat in two ways: heat conduction (which you can slow down with insulation) and drafts, which in old houses is usually the biggest culprit.

They can't assess all the subjective data like overall layout, view from the living room window, the dogs next door that bark all day, the width of doorways, size of individual rooms, quality of kitchen cabinets and appliances, etc.The best thing to do is study your market regularly.

I’m really trying to get to the top in of my buy window (1.1m).

The property does have heated radiators through out each unit. everything is separated for each unit electricity, gas, and window units in each property.

Then pick up the blue in the window coverings.

The guilty people know how to hide their tracks and could have been arrested under previous laws anyway, so all CTA law did was persecute small business owners. 

A personal liability policy "MAY" extend to one or two rentals but if you are planning on building a portfolio consider the commercial umbrella.Another thing to consider is that the courts frown on carry high personal liability but low business liability when trying to hide behind the vail.

Estimated cost for remaining changes (all new electric, drywall, tile, fixtures, cabinets, roof, doors, windows, heat pump, some siding, and fencing.

Gathering as much info as I can in the short window of time I have. 

You must also consider ceiling height and window size as it pertains to bedroom egress, this is separate in terms of livable space.