Not sure how a balcony could be added to the existing footprint of the D cabins without a 25-36 foot reduction in the overall square footage of an already small cabin. So, sacrifice the sitting area for a balcony?

Also, 11 days seems like a very short amount of time to undergo such a change.

Robert

Go confidently in the direction of your dreams. Live the life you've imagined.
-Thoreau