I would pop a buffet along the window by the front door & then a rectangle dining table in front of that. There are a few layouts you could do tv/ lounge wise but in the interest of entertaining & also watching tv whilst preparing meals.... I would put the tv on the wall opposite the built in cupboards - not right where the aerial point is though, closer along the wall towards the bedroom door. Then I'd have an L shape configuration of lounges (either a corner lounge or two lounges) with the back of one along the side wall (the wall you look at as you come in the front door), & the other with its back to the built in cupboards (obviously with enough room to open the doors behind it still. Then define the area with a rug etc

How about a few framed prints of plants, hung at eye level will give the foliage look you want without the worry of keeping them alive and will add a decorative point for this space.

Although the existing plants were healthy and looked great the client wanted a new cleaner look and to make the space appear bigger.

my suggestion are based on the fact that mum and dad are usually at the house alone and aims for simple two person accommodation that can be rearranged to suit a crowd...the kitchen cabinets are the only fixed objects in the room and include a tall pantry, base cabinets and/or drawers with open shelves and wall cabinets and space for several people to work side by side with a small extendable dining table, two chairs and a bench seat (also used as a place for newspaper and lamp etc behind the recliners)...a patio with big table for outdoor eating under the shade of the tree with extra bench seats that can also be used inside... there's space for a small divan or night and day lounge with a wall hung tv and the corner bedroom door allows for much better circulation space in both the living and bedrooms with preferably a sliding glass door for indoor outdoor connection with or without the original front door and, based on the size of king single beds, there's no other arrangement that would allow both beds to have a view to the lake and there's just enough space for a biw, small desk and two chairs