Need photos, but in general, I would recommend 2 chairs opposite the longer end of the sectional.

I would move the two chairs against the wall with the table between for a "side" seating area... which can still see the t.v. (needs some baskets or something under that table... a trunk maybe...to bulk it up). Then make an L shape with the other couch/loveseat that you have. You also have great storage along the tv wall but it's kind of bland... punch it up with a color along the back of the bookcases or a funky wallpaper. Drapes for a punch of color with some other accessories and you'll have a gorgeous room. It also looks like you have an ottoman.... put a tray on top and use it as a coffe table for a while.

Awesome Houzzers, thanks for the responses. Overwhelming consensus seems to be that they dont work (at least without distressing the table, which sounds complicated). I am now thinking maybe I move the sofa upstairs and buy it a new coffee table along the lines suggested by maureen and lee lee (thanks). In the living room, I could then leave the oak coffee table, together with the armchair that works with it (it has a similar oak frame and is covered in natural linen). Then I can find a new sofa to match the coffee table. Any tips? The coffee table is 1200 x 1200mm. You guys seem to think that is ginormous - how big would the sofa need to be to look proportional? I am thinking of an L shaped sectional. Possibly also in some kind of natural linen fabric? The living room is big (5m x 8m?). Thanks again - much appreciated!

Your suggestions are really greatly appreciated. My town house unit is under complete exterior re-cladding works, prompting quite substantial interior makeover (i.e installtion of ducted air con, replacing wall to wall carpet with timber upstairs, and tiles in open space downstaris, replacing creamy wall paper will be replaced with neutral white paint. So my green kitchen with creamy formica counter (bench) top should go. I don't hate green simply had egounh of it after long 15 yeras! My small U shape kitchen is due for complete makeover, I think! I'll probably go with new cabinets (lower one for microwave) up to the ceiling, when move fridge at the end I'll go with panel with matching colour up to the ceiling, expanding counter top on the other side to the fridge. I guess that removal of the cupboard can be compesated with extension of the counter top so we can fit 3x drawer underneath and cabinets up to the ceiling can provide some useful storage space. Backsplash in same white palette or darker in contrast? Your kind ideas please!