The sofas are quite domineering so I think you really need a very bright colour to detract from them slightly. I'd go for either a bright yellow or hot pink and team with white and grey. I've posted a pic from homesthetics as an idea. I'd get a really big piece of modern art above the sofa with yellow and black etc. This one is from art.co.uk as no idea of your style. You need some texture on the floor so a grey rug could work, I'd avoid an all yellow rug given the floor colour. I'd move the small bookcase and have a giant angle poise or similar lamp in either black or grey. Bright yellow patterned cushions on the sofa with a couple of plain grey and maybe even a throw. I would personally paint the kitchen cabinets grey and add yellow accessories and update the floor when you can change it. Maybe try a glass coffee table and add some accessories. Can you post some more pics of the room in light as its difficult to tell if the room would take all grey. I'd also flip the table so it's central with the window and add a big yellow bowl or similar.If you don't like yellow then just change the accent colour but I think it needs to be bright. If you want to go modern I would change the mirror, maybe something with a black frame to work with an accent colour.

Hello, This seems to be a huge renovation! For the floor plans, you may want to use https://planner.roomsketcher.com. It is a free tool, and probably one of the easiest to use, moreover if you'd like to use our construction team's service you can make a floor plan by just handwriting, so we can send you a quote, but honestly, it would be better for you if we could come for a survey and make all the measurement by ourselves. Let me know if you are interested so I can arrange our managing director to call you. :)

What is going to be the focal point in the lounge area? Are you going to have a T.V ? If you would prefer to have a lot of seating for your gatherings in the main lounge, and, you have a formal dining room, maybe you could have the area at the bottom as a little t.v niche? Not everyone wants the T.V to be prominent. I think you do need a focal point though or it does become a little like a waiting room with all the furniture around the outside. The sofa at the top isn't quite working for me, and I know this is just at concept stage, but if you have a sofa that shape all you will see when you come in from the garden is the side of the sofa. The people sitting there have their backs to the garden, whilst those opposite them have no view either as it's blocked by the other end. I think it's great to have a lovely big family gathering, but you do need to live in the house also when so many people aren't there. I've given you the large area for entertaining, with a few tweaks, but left you with a little area for yourselves when the family aren't around. I'd tweak the bottom area further as those doors either side of the wall split aren't symmetrical, plus I kept the Hallway view free of furniture. There's enough space in the lounge are for many people to sit, but if you wanted to bring in a buffet table for special occasions, then you could place it in the middle and let people help themselves and go back to their seats happily

Hi Minnie, thanks for your reply. The paint brand is Johnstone's. My wife also thought Brilliant white might be too cold so we are now considering something with a little bit more warmth, possibly a more 'creamy' colour. The living room faces West, the dining room East - the living room gets the sun in the evening. The paneling would be going around the inside edge of the arch, basically an architrave that wraps the sides and the under edge. I have had it suggested to me that we paint the two window walls and the archway in blue as that will link the rooms together whilst ensuring that the colour is visible regardless of which room you are in or where you are sat? The boards will stay exposed though we are sanding them are treating with a light oak coloured varnish. Furniture wise, the sofa is an beige/mocha fleck colour, dining table is 'shabby chic' wooden top with white legs, Coffee table is wood topped with white legs.