Ok, so if i liked that, I consider that you like straight lines, Id look for a plush rug (cream, stone, olive green, beige, rusty orange) that would sit partly under the sofa.
Id get curtains above the blinds, like in the pic you supplied - coral or olive green or something with some gold in. I wouldnt go cream - theyd be a pain to dust
Id add a mirror, gold bordered over the fireplace.
Id move the picture and maybe add a couple more behind the sofa
Id tidy a bit... fluff up and arrange those cushions.
I think the biggest problem is the lack of height in your decor. The walls are cream which would be statement if the alcoves werent so cluttered. Above about chest height, all you see is white and then piles of files and boxes. So you have options: move it and display a few neutral pieces of interest so the white/cream theme pops, look at the colours you want to go to and update the storage boxes in that space to align to your colour accent theme, buy a window box and use that for storage.
Id also consider some low maintainence plants. Ikea do some really good ones, they brighten up a space.
I think really you need a bit of tidy, a accent of colour and some interest higher up the room so the use of space looks intentional