Hi Richard, My thoughts, (and I'm not an expert, so just a personal opinion), but I think the wetroom idea will be a total nightmare to keep clean. I would also be concerned that it not would be the safest option with young children in the house. Unless you are going to meticulously dry the floor down after every shower, anyone using the room afterwards, washing their hands at the sink for example would need to walk on a wet and possibly slippery floor. Also not ideal if you walk around the house in socks.... wet feet.. :-/ Even with really good drainage the floor would remain wet for some time after each shower. These concerns may only bother me though, these things are so subjective, but I always consider how much work will be involved in keeping a room clean and looking great....and the fact that the bath would get wet and no doubt splatted with shampoo and shower gel every time someone showered would have me in there constantly cleaning. This option is definitely also the more costly option as tanking would be required, and I you plan to sell in a year or so, I am not sure it would add value equivalent to your spend on the room. I would go for a nice shower over bath arrangement, this can still look lovely and high end. For example:

Hi guys, I am back again with a bathroom query, I have an image attached. I really don't like the current layout for this bathroom and I'm thinking if we move the toilet to the wall on the left under the sink and put the bathroom vanity where the toilet currently is so that this is the first thing the person sees when the door is open. Do you think this works? Again advice is hugely appreciated. I honestly had no idea finalising bathrooms would be so difficult, and the support I have received on Houzz has been the best of any professional I have met so far so thank you all! Any questions please do let me know!

Query - why does the back wall of your shower have a slanted bit at the bottom? Is there something behind that, and under your storage area, that would mean you can't use all that back wall? If there's nothing there, and no problem with that corner, then: 1 - You could leave the bath where it is. Upgrade the panelling around the base and maybe put a little door in the panelling for under bath storage of cleaning stuff etc. Maybe even upgrade the bath itself too? And then move the loo to the back left corner, facing the window. Move the basin closer to the new loo position, and further away from the door, and build a low storage 'wall' all along that side wall, with the basin on it, and the loo also. The top of that new 'wall' will be a shelf for putting nice candles etc. Then, mirror all across that side wall, above the shelf, to increase the light and spaciousness. This is what we had in our tiny bathroom. It's more linear looking, with the main items on opposite sides of the room. 2 - Move the bath to horizontally across that back wall as you suggested - if space allows for the length of the bath. I think there will be enough space for a shower, even with sloping ceiling. Try standing up in the bath, and see if there is room above the tallest person's head. If you attach a pump to the shower, you will have enough power for a good shower. Maybe use mirror type tiles on the back wall above the bath to reflect light, and increase space. Move loo further into the room. Consider putting basin beside loo if there's enough room now, under the window and connecting them both, with a similar streamlined idea to above. This will square out the room a bit, leaving central space. You will also have a little space then on the left side where the sink was. Maybe a towel ladder could go there, or nice storage basket for loo rolls etc. 3 - Go and talk to Carolina in the Tubs & Tiles in Sandyford, in Dublin. She's amazing, and is a qualified architect, so she really understands space. She re-did our tiny bathroom. It looks amazing and has already won a prize! We took out the bath for a walk in shower. Which is my next suggestion to you! Even if you have small toddlers etc - you can always get a big plastic basin for baby bathing for a couple of years, and leave it in the shower. We left the sink and loo along the left side, and they're connected with the type of shelf I mentioned above. Good luck!

As always a few photos and measurements would be helpful in order for Houzzers to be able to offer advice. You say space is very tight, is there a case for removing the bath and having a walk-in shower instead?