Re: the floor...
I'd live with it for now if it's in good shape, and only needs cleaning up.
As you mentioned it would be a lot of work to replace it...not so much pulling it up (if it's floating) as dealing with the skirting and door frame being too high.
The quick and dirty way of dealing with too high skirting would be a strip of "quarter round" to cover the gap.
I've never liked the look of that because it screams "cover-up" but it's still done a lot.
And it doesn't address the gap at the bottom of the door frame.
You'd either have to cut and install new longer vertical pieces of the frame, or carefully cut away 6 inches or so at the bottom of each piece (and a little of the skirting on each side) and install plinth blocks.
Plinth blocks actually look pretty neat (when done right).
I think you're right, there.
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I've got a handle, a germ of an idea, how I want to proceed with the dining room.
You may recall, months ago, I was thinking of putting up a picture rail and a chair rail in there, and panelling below the chair rail and painting to above the picture rail and having some William Morris style wallpaper in between, but since moving in I've found
1) The room has the ability to feel smaller than it is
2) The size of the fireplace and the height of the boxing around the electric meter dictate the height of the lower rail
3) Meanwhile if the picture rail goes in at a height to look right the vertical proportions of the room all told are going to look very odd considering (2)
4) The room faces north and has only a small window (in fact a future project might even.... no I won't mention that yet, we'll see how the next few years pan out first).
So that idea sort of died off. I'm toying with the idea of applying it to a larger room instead, maybe the master bedroom when I reach that point.
The problem I'm having in trying to restore the house is really a fewfold.
1) Every room I've looked at so far, even if only peeling wallpaper back or sanding paint down, has yielded up no clue whatever about previous decoration or colour schemes.
2) Pretty much all of my reference material considers the 'middle class household' and above. Five or six bedroom houses that were for the more prosperous when built and the rich today. My house has two bedrooms, probably originally three, and although sited in the 'posh' end of town is, unabashedly, of humble origin. So it comes in right at the very bottom of the scale of my reference books, if it features on their spectrum at all.
3) Much of my reference material shows huge rooms all decorated exactly the same and the only way you can tell what the room does is by the funiture in there.
4) Chintz. So much chintz. I don't do chintz.
So, what I'm doing is- it
is a restoration after a fashion- following Viollet-le-Duc's maxim of restoring a building to
a state of completeness it may never have originally possessed- but I can't take it back to how it would have originally looked in 1900 and odd, because the information simply doesn't exist and in any case if I were to do that I'd be looking at major structural work to reinstate the original kitchen and bathroom facilities, or lack thereof. I've said from the start that this is not an Historic England or National Trust style project, the aim is a comfortable home for myself.
So the approach I'm taking is to restore it to
how it might have appeared, within reason, which broadly means Edwardian-styled interiors with modern electrics and plumbing and so on and so forth.
As I've just said, Edwardian-styled interiors are all a bit.... not dull as such but
repetitive. Bright neutral colours and reproduction furniture. Now you might be thinking if that's the case why have I painted the sitting room in a dark blue, but my argument is that it's a masculine space (or at least, I'm treating as a library-sitting room which qualifies as such) and you'd expect to find darker hues there as such, whether painted or wooden panelled.
So, back to the dining room. As I say, it's a smaller room, it faces north and it has a small window- and any direct sunlight you might reasonably expect to garner in spite of those circumstances is still blocked by the kitchen and bathroom range. So the brighter colours I think are more necessary here. Going through my books this morning, I think a light cream sort of colour would be period-appropriate, as would either a picture rail or a chair rail- not both- and then a wallpaper in a complementary light shade below. I'm just looking if I can find an appropriate pattern that I like- and keep running into chintz.
I can think of two options;
1) Cream paint from cornice level to a chair rail, varnished timber chair rail, and light coloured (green? or red?) wallpaper below. Maybe striped two-tone green or striped red/cream.
2) White paint from cornice level to a picture rail, varnished timber picture rail, cream paint below. A patterned wallpaper would I think be too much over that sort of a height.
It's all academic at present anyhow, as I'm having to work from home and the only room I can use for that is the dining room. So it's an aspect of the project that will have to wait until the normality of getting up at silly o'clock in the morning and spending hours a day crammed into commuter trains travelling to and from the office returns.