Why not make life a bit easier for yourself.

These tools are available to hire for a small charge, but can make a lot of difference in terms of speed and effort.  

Standard Sack Barrow                                            Stair Climber - Same as a sack barrow, but will also                                                                                                         carry the load up and down stairs.

         

Piano Trolley - Can be used to move piano's with so much less effort. It has also been used for re-enforced steel beams and concrete lintels.