Try a mid-century modern rug like Hemphill's Rex Ray Area Rug Collection or Jaipur Traverse Caracas. I looked up 'mid-century modern rug' and chanced upon these on Houzz. I like the muted colours which would soften the cream on brown. The mid-century motifs would highlight the mid-century chair. Good luck!

a screen making company should be able to suggest several suitable choices: ...if the existing door and window already has a suitable track then you'll only need a new sliding screen, if not, sideways opening flyscreens or, replace the whole window with new sliding or stacking doors with included screens with or without the outside panels of fixed glass replaced with screened opening windows.. quotes from several different screen and window manufacturers will help decide the best option

It might be worth looking further into breeze / besser blocks. This company in Melbourne - http://www.breezeblocks.com.au/ or this one in Sydney - http://www.besserblockcentre.com.au/bellevue_hill_blocks.html create custom blocks. The pool safety requirements have certain dimensions to follow, so maybe you can have your dream feature wall while still abiding by the regulations. For example you could have blocks with a vertical or other pattern that did not allow for foot or hand holds. For example:

subject to the view out and need for privacy i prefer a plain glass door for light with a patterned security screen OR plain security screen with a solid art deco style wooden door