Usually, the inside of one bathroom cannot be seen from the inside of another bathroom other, so you can get away with some variationbetween the tiles in these rooms. However, for the overall feel of the house, I would try and keep them visually consistent. Don't go with a flamboyant Moroccan inspired tile in one, with a Carrera marble in another and a metallic-look penny round in another as it will feel confusing. Also, consider the junction between the bathroom floor and the floor finish of the adjacent room at the doorway. If your bathroom is coming off a tiled space (such as a powder room off an entry hall) it is good to have visual consistency with the floor finishes between both rooms.

For many people choosing tile selections is a strain and an effort so if you find a selection that you love there is no issue with being consistent for all three rooms. Or choose a feature tile that you love and use it consistently, but have variations between the rooms for the plainer non-feature tile.

Best of luck with your considerations,

Dr Retro

of Dr Retro House Calls/Dr Retro Virtual Visits.

Thank you all for your comments.

I’m interested in this feedback as I have a bathroom, en-suite and small powder room, and we need to update only the powder room. The en-suite and main bathroom have the same large scale beige/tan tiles which I can’t get now, so we wallpapered the powder room with a Laura Ashley floral in same tones, but it’s lifting and I’m not liking it any more. So I wondered if it would look weird doing white tiles in the powder room as I’ll never find the exact shade that’s in the others, or if I should just paint over the wallpaper in a navy (which is the colour of towels we use).

You will need to steam the wallpaper off. If it’s a small room then an iron, bucket of warm water and tea towel is all you need, Pull off all lifting paper you can. Place wet tea towel on the wallpaper and apply iron to create steam.
To properly advice a picture of the closest bathroom and the powder room would help. But navy with navy towel would be too much.

Would wallpaper or paint be much cheaper than tiling? Would the saving worth it?

Paint you could do yourself, so it is the cost of paint and your time.
Wallpaper is best done by an experienced person. So if you have done that before, it is the cost of the paper.
Tiling is best done by an experienced person, but if you have done that before, then it is the cost of the tiles, grout, etc.
Whatever you choose to do, if the job is not done correctly, then it will look cheap, no matter what the finish.

Rose, wall paper in bathrooms not a good idea as steam from shower or a very hot bath removes them. Powder room okay just don’t overwhelm the room with too much of a bold pattern. To save costs paint is cheapest. You also don’t need to tile or paper all walls. My new bathroom has floor tiles going up one wall, a textured subway up to the window sill on another with paint above, and paint above skirting tile on another, last wall is glass doors hiding laundry.
I have another bathroom fully tiled and I hate it as it feels like a public restroom, tiles do not induce cosiness.

Thank you all for these thoughtful comments. Here are a couple of pics of the main bathroom that we can’t change, and the powder room with the wallpaper. Kate’s comment about tiles not being cosy really hits home as my feeling is that if you have to spend time in there it may as well feel cosy!

Also we will have to have someone come and do the work, we have no DIY talent. It's a much better outcome of I stick to just choosing and placing home furnishings and decor 😁

I think it makes a house look more cohesive to have at least a few elements repeat. That being said, I also like to mix tiles, even within one bathroom. So, my suggestion would be to have at least some elements in common, such as taps all the same, relative colour schemes across the different baths, and perhaps at least the floor tiles in common. Happy to discuss further if you want more help, but that's my two cents. Making them all the same completely can make it look a bit like a standard builder home and there won't be as much interest as combining some things.

Thanks Mollie, that's really helpful and luckily we stop have the same floor tiles in each bathroom and I was planning on getting the same tapware. Three powder room is so small there is not much we can do with it, even shelving would be cumbersome, so getting the colour scheme and materials right is about all we can do. Thanks!