because the water could seep through the joints between the new tiles and sit between the two layers and affect the seal and also raise the height of the floor and affect the slope to the waste outlets..but, why do you want to retile if you're not using the bathroom??...for immediate resale consider bathroom wall to wall bathroom carpet, new wall paint, new vanity, taps and light fittings which should also be cheaper than tiling over the top and, if it's not allowed by the body corporate, it will be a risk to future sales as it should not satisfy a proper building inspection

Have you priced having the whole lot re waterproofed and tiled? You are already doing the hardest section, it may not be that much more to do the lot. Otherwise agree with above match to the white tiles in the rest of the bathroom. But it will always look like a repair.

Tile selection can have a big impact on the cost of your bathroom reno. The cost of the tiles per sqm is one thing, but did you know that most tilers charge different rates for the "Type" of tile laid large format and or vitrified tiles will cost more to install These are a few hard and fast rules we give our clients when they are selecting tiles for a bathroom renovation 1 - opt for darker tiles and darker grout for the floor - as a wet area light coloured tiles on the ground are harder to keep clean 2 - If you are opting for a feature tile - let it be the hero. That means make the rest of the tiles plain - large format subway tiles give you enough texture without detracting from the feature 3 - always opt for square tiles on the ground - trying to get the correct falls using rectangular tiles will mean you will have extra cuts and the floor will look a mess. The second reason we opt for square format for the floor is because of subway tiles You see, back when everyone was opting for square tiles on walls, it was easy to install square on the floor and get all the grout lines to match. Now most people are opting for subway tiles, you can never get all the grout lines to match, therefore installing square means you dont have to match grout lines as they are different format. If you are installing your subway tiles vertically, then there is a chance you will still be able to get all grout lines to match if you have selected the same sized square format tile hope this makes sense I have added a link to a blog that explains more about tile selection

When it comes to kitchen design for a ranch house renovation, you may want to consider the following factors: Space and layout: Ranch houses typically have an open floor plan, so you can create a kitchen that flows seamlessly with the surrounding living areas. Consider the space available and the placement of windows and doors when deciding on the layout of your kitchen. Style: Ranch houses often have a mid-century modern or rustic aesthetic, so incorporate these design elements into your kitchen renovation. For example, you could use warm wood tones, clean lines, and vintage-inspired fixtures to create a timeless and inviting space. Storage: Adequate storage is essential in any kitchen, but it's especially crucial in a ranch house where storage space may be limited. Consider incorporating cabinets, shelves, and other storage solutions that maximize the available space without overwhelming the room. Lighting: Good lighting is essential in any kitchen, but it's particularly important in a ranch house where natural light may be limited. Consider incorporating a mix of ambient, task, and accent lighting to create a warm and welcoming atmosphere. Ultimately, the best kitchen design option for your ranch house renovation will depend on your specific needs and preferences. Consider working with a professional designer or architect to help create a space that meets your functional and aesthetic goals. You can contact house tiling services Sydney. They are professionals in tiling