Get a carpenter to build bespoke shoe storage to your exact requirements. You can either dedicate a section of wall to a row of made-to-measure wardrobes, like this floor-to-ceiling grid, or fill otherwise redundant nooks or awkward spaces. Consider the kind of shoes you own, as heels need more space than flats. If you have enough depth, you can store shoes you wear less often in boxes behind. White shelves will reflect light well so you can see the contents more easily.
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Custom Carpentry can help you plan shoe storage that's perfect for you.