Havinginstalled the bed and succeeded in making it go up and down I then made some further refinements.

Bracket blocks added to the wall to secure support the bed in the raise position to ensure that if the rope breaks it does not fall on those seated below.

Spacer guides added to the corners to ensure that the frame does not foul with the window fittings and blinds as it travels up and down. 

The mattress foam and cover were shortened to fit the new bed length. To protect the window blinds headboard, foot and side boards have been built. 

I then moved on to completion of the insulation and lining of the ceiling and remain walls. 

Then the construction of the frame work for the internal furnishings