I'd consider a modern Edwardian style. this would appeal to a larger market if/when you decide to sell. Definitely consider free standing bath as you should be able to fit one in, on an angle would work if your space works. here's some ideas....

I like your idea of the layout. There are a couple of places where I thought the cost implication probably isn’t worth it. For instance you have moved a door and wall for the larger of the entry level bedrooms. The net result is that you gain a little in the hall and a walk in wardrobe. Personally I think you shouldn’t spend the money moving walls here you should just buy nice furniture. I notice you have moved out the hot water storage tank. Of course this is possible- were you going to change the boiler anyway? If you were going to make a new boiler I would try to move it into one of the loft voids but if you are already stretching the budget then leave well alone. I like the kitchen being open to the living room but you will have to have a door to the hall to meet regulations. I think that the kitchen design could be improved by moving the sink, having no units under the window and a bigger island. Consider what surface you want on the island and how easy it will be to get it up the stairs. I think that you should think about how many people you want to accommodate in the lounge. Currently it looks like you can sit more at the dining table than the sofa area. You need to think about where you want the TV. If you want to keep the fireplace the TV above may be too high up. I also think you should investigate where the waste from the upstairs bathroom flows. If it flows straight down near the hot water cylinder then you may have options for moving the bathroom or making an extra ensuite. Upstairs I would try moving the clothes rails out of the way and placing the bed on that wall rather than half in what was probably once a wardrobe. I think then you will feel much better about this room. You should also consider your budget and how much work you are prepared to do yourself. At this stage most people need to prioritise- for instance I would be looking at spending £25k on a kitchen, £4k on decorating, £5k on flooring, £4K on window treatments, and £6k on each bathroom, £7k on new boiler in a new location. If this is a first property you likely need furniture too. How much is available after the finishing jobs to knock walls around?

I have to say, I'm leaning towards option 1. As I may have mentioned in the past, I suspect the trend for grey and anthracite windows/doors/sofitts etc will end sooner or later and what folks will find is they're left with external features that date a house but would be expensive to fix. And whilst I like the look of the grey now, I also remember liking the dark wood windows in the late 80s at the time, but now think they date a property. :-/ (sorry to offend anyone who may have them).

I like the last picture as everything matches, which is one of my concerns, as I definitely don’t want a white front door and I can’t change my white windows and garage door. Maybe I’ll match the front door with whatever cladding colour I go with!