You could consider ripping out the shower base and tiling the existing 830 wide and extend that all the way to the existing bathroom wall at the opposite end of the bathroom wall. It would create one wall at an angle but with a seamless glass shower screen and a new tiled floor and walls it wouldn't look out of place. That would allow far better body manoeuvring in the shower.

@ Tilly, others and nexusone... I live in rural Queensland... As far as tradies go, there are not many and they are all vying for the work, so their reputations are very important to them and people do talk Have no idea where you two Houzzers live..must be somewhere expensive because $3-$4,000 for labour for a tiling sounds exorbitant...unless every wall was entirely tiled to the ceiling with tiles that were also priced to impress. @ nexusone... It doesn't have to be like that...unless there's the "keeping up with the Jones's" to factor in. What's a "top quality" product anyway? One that costs more? It all comes from CHINA if you trace it back! The Chinese are a very large part of our economy and despite what many think they know, based on some of the negative things that have been publicised..... about Asian "sweat shops" etc.... when it comes to maunfacturing hard items (like plumbing ware, tiles etc...) the standard is mostly excellent and the cost is extremely reasonable. Where do you think our resellers of "top quality" hardware get their product from? Greece? Italy? Apologies for disagreeing and no offence meant, but we need to get our thinking caps on here. How is it that I could buy a magnificently crafted 8inch chrome plated retro styled brass shower rose for $79 ( including insurance and shipping)? Why is it that when I finally sourced the "Shepherd's Crook"...( a 1.2m long curved piece of chrome plated brass pipe) from an Australian reseller...that it cost me X3.5 times more than the actual shower rose? Where was this pipe made? Guess. I'm no advocate for trade with anywhere but hardware does not have to be exorbitantly expensive, and "top quality" is not necessarily associated with Brand or price. It pays to do your research before you do your shopping and to gain any technical information you can fathom to help you to understand what you are being expected to pay for! @ Tilly.... You mention that you supplied ( ? purchased) your own tiles, and on top of that you paid $3,800 for the "top quality" tiler's labour. In my experience of hiring tradies of all kinds over a 30 year period, off and on, and of having to keep abreast of costs of materials and hardware and of workmanship standards and methods, I found that there's a limit to the quality that can go into any product and into any labour, including putting tiles on a wall...(without getting ridiculous and grinding up diamonds in the glue!) So the amount of $3,800 tiler's labour alone doesn't make sense to me, especially since you had already paid for the tiles. So tiling alone in one bathroom cost about $4-5,000? not including anything else? I may have easily misunderstood...its easy in writing, but everything sounds very inflated based on "quality". I'm glad it was not I who shelled out all that hard earnt money. The comparison costs of your bathroom to your daughter's using DIY labour is about the same...did you leave something out? If one can find the right outlet, items and labourers...things should not and need not and, in my experience, do not cost that much, not even for "quality"...and that word needs defining. Nevertheless, Tilly, extremely interesting reading about your costs and experiences. Thanks! I'll add the info to my "experience" diary! @nexusone... Courage, again! Do your homework well, become informed, shop around and, may I suggest, based on what I perceive from the information kindly supplied by everyone here...When you go shopping, go outside your city, town or usual haunts where you are not known, keep it impersonal. Online shopping is not as scary as it seems either. An Idea about plumbing You say your bathroom is 1930's...that's the Art Deco era...external plumbing was the rage. Could you maybe consider fixing your plumbing TO the wall rather than having it IN the wall? You could just about have any design tapware you wanted today..Art Deco products are available in many styles. Retro Plumbing is IN and would go with the style of your bathroom. Just something to consider. All I think all you would need to do, (bear in mind I am not a plumber) is bring a fitting for HW and CW to the outside of your wall and you could then have, attached to those, any kind assembly/combo of taps and shower head you wanted, I wish you every tiny bit of good luck with this. It WILL work out! .

@macymacmaples Its really old one (may be 40yo) and they did reno the tiles but may not change the fittings. I can see some left over tiles kept under house. I olden house always has bathtub and the last owner may took out the bathtub and put the shower for space. Lets make it easy, i dont want many plumber work. What will u suggest me? I do really appreciate ur comment. If possible pls put bathtub for kids purpose, if not then i will keep the shower :).

These drawings are not to scale so may not work, but this is what I would be striving for if it were my house. Retain the 3-way bathroom but move the shower to a lovely large open shower and add a toilet opening off the laundry. It reduces the laundry size, but I would rather a second toilet over a larger laundry any day. And this shouldn't be a hideously expensive remodel as it leaves much of the existing in place. The biggest issue would be plumbing for the new toilet. You could eliminate the basin in the second toilet if you designed the laundry so that the wash tub doubles as a hand basin. I've seen that done in ways that are quite attractive. (Apologies for the rather rough drawings).