Hi Carolina I have these floor tiles and a similar wall colour, and lots of art. My stair carpet is wool and called taupe. I think it works well. I think any of the 3 samples would look equally good. Darker will show every speck of lint though. I will now try and put a photo on. Forgive me if it doesn't work, for being a technophobe, and forgive me if it does for a messy house. I am going to clean today. Honest.

Hi Nikhil. What's the actual colour of the cream paint so can attempt to find a granite although it is hard online as colours show differently. I'd also keep upstands in the granite and maybe even the splashback for a clean look. I'm not a pro hence take my comments accordingly (!) and I know you didn't ask for layout advice so I hope you don't me saying but I'm not sure if the sink is in the most practical position as you can't stack dishes next to it etc. I'd also check the safety regs for a gas hob so close to a window as it may potentially be dangerous if the window is open. I'm also not sure where the fridge freezer is in relation to the rest of the kitchen?

Composite Deck? Once down you'll have very little maintenance for years. You could find a colour that matches your Ikea tiles too. Let me know if you need any assistance.

I'm guessing by the layout, and fireplaces that it's an old Victorian building. The only thing to remember with flats is that unless you are the sole Freeholder as well as the leaseholder, then you have to get permission from the Freeholder for just about anything internally with regards moving / knocking down walls. I would say, that the best thing to do would be to have a small archway from lounge ( bed 2 ) in to the kitchen diner. The next owner can easily re-instate the wall if they want 2 bedrooms back.....................obviously 2 beds is more valuable than 1. Moving the Kitchen to the bedroom is a better idea and should be achievable as there is clearly drain access out the back near the toilet. If you were to do that you end up with a great sized lounge / diner in the biggest room. You have to take the advice of a structural engineer though, due to it being a flat as you need to know what's structural. I personally nearly always run things past a local estate agent to confirm that my changes are going to add value. I would imagine that a large / spacious well layed out one bed is going to be similar in value to a cramped 2 bed.