Hi, I need help / quote / opinion / contacts on the following :- Balcony Dimensions :- Length : 3m Width : Left Wall is 1.3m, Right Wall is 1.6m Balcony Sliding Doors (4 panels) : 3m Balcony Sliding Doors drop : 0.05m Current Situations 1) Balcony Windows have existing Aluminium Window Grilles 2) Balcony has 4-panel Sliding Glass Doors Intended Situations 1) thinking of installing casement or sliding windows - how much? - casement vs sliding windows, which is better? my budget is less than $400 (inclusive of installation) 2) thinking of leveling of balcony floor to living room - how much? hacking, screeding, waterproofing, supplying, installing, etc - Since I am intending to install windows, will creating a platform instead of leveling be better? If so, how much to create the platform + boxing up existing balcony pipe? Please please help cos I need to execute this the soonest (once I have the right contacts / info / quote) Or if you have done this before to your homes & have good contacts please share....thanks!