I really like that floor. I hope you are able to keep it once the complexities of waterproofing are revealed. Really large tiles would not be era appropriate. And they were moving away from subway tiles by then. Perhaps 20-25cm square in running bond for that decade? Colour will be easier to pick when the green is gone. I think bright whites could be useful accents but were not really available back then, except whitewash. So depends on how true to the age you want to be or if you’d prefer to have your own blend of the best of two eras.

Hi Angel, because you’re only after one tile, it’d be worth a call to some of the companies that specialise in vintage / retro capping tiles as, unless they have large numbers, they often have stock not listed on the website. Alternatively, Schots have a very similar shaped tile, which they call a dado tile and tile paint is much improved, so that may also be an option. Good luck

Thanks Dreamer and Kate! I hadn’t considered lining it up to the grout line. Good tip. I’ll have to work out if we can do this with the height of the basin under the taps. Thanks for the photo! Great to get a visual idea!

My own personal style would be quite a bit different . I'd keep the shower , because it is gold , its there , it fits . Okay , its dated , and I may consider changing the glass , but I wouldn't take out a wall , a cupboard , a complete new shower and tiles and everything . The tiles , the frieze are okay , the base is dated but I'd live with it . The floor tiles are dated , and I'd change them , but not to the grey ones . The whole room is too white , so I'd go charcoal , in fact I'd try to get a charcoal with offwhite and gold streaks . Then I'd triple down , with gold taps on the vanity , gold handles , gold towel hoop , maybe even go for one of those gold covers for the power point -- just a flat one with chamferred corners , not one with vines and circles ! There you go , white and gold with a darker floor but still some light and gold tones -- done for $1000 or so , plus minimal labour !