Thanks Colour Happy. Plasterer has been in already but only plastered where needed so I'm assuming that means we don't need to plaster behind wall paper (some of which had to be removed for the rewiring) and Painter seems happy enough to do remainder of filling/smoothing walls but thanks for the tip, I'll definitely check again with them. Re sisal, no dogs but small kids at home so need to stick to softer/more standard carpet!

It looks like the little kitchen area has now gone so I would create a booth style seating area in that space. The piano I would then put at an angle in the other nook facing into the room as a feature corner. The rest of the seating would then be in the main central area. I think ultimately this depends on the budget you now have to finish the room, whether lighting can be changed to incorporate some features and task lighting/pendants. Have you considered having a designer look at the space? I work remotely and include lighting, layout and accessorising in my PDF remote designs. As you already have the wall colour and flooring sorted this you would be surprised how affordable the price is :) best of luck. It's looking great so far.

I echo the reservations about changing from carpet to solid floors. Even if you don't want UFH in there, digging up, insulating and replacing the floor would be a major and messy undertaking and would not address damp in walls - and injection DPCs are not all they're cracked up to be. We insulated and replaced our cottage lounge floor (quarry tile over sand damp sealed with bitumen) as part of a major renovation but still went for carpet to keep it cosy as we have solid brick and prone to damp walls.

Just a cheap but effective solution. We also have a kitchen / diner in an L-shape with a small lounge area attached.................all open plan. We have one large radiator that was heating it. Firstly, I notice that you have no curtains on the window in the middle. All the curtains ( including the window ) should be thermal backed and as thick as you can get to stop the heat going out of the glass. Secondly, the little radiator in the middle of the double doors doesn't look like it is large enough to have an adequate heat output for the size of the room, so I would change that. There are charts on line to work out the size you need, or if you enquire at any decent plumbing merchants, they'll work it out for you. Adding a good depth window sill to under the window will help prevent heat loss up and out of the window too. We bought a ceramic radiator to plug in, in the conservatory as a back up to our larger radiator and it works a treat! Really slimline too. However, the biggest saving on the heat loss is our curtains, which are really, really thick, make sure they cover the sill.