The word "bespoke" is a term commonly used in the United Kingdom to denote an item that is custom made, which means bespoke cabinets can be made to meet your personal needs and desires. You will need to consider carefully the space in which you intend to have the bespoke cabinets built, and you will also need to decide what you intend to store there. These considerations will have a significant impact on the cost of the project as well as the steps needed to complete it. You may want to start by researching carpenters and cabinet makers in your area.
These builders will come to your home to take measurements and discuss ideas for your bespoke cabinets. Be sure to clearly convey your desires for the finished product so the builder can come up with an accurate and acceptable plan for you. The builder will probably take a day or two to come up with an estimate for the project, and if that estimate does not fit your budget or if it seems exceptionally high, do not be afraid to get another quote from a different builder. Remember that most bespoke projects tend to cost more than prefabricated cabinets and shelves, so you should be prepared to pay a fair price for the bespoke cabinets being installed in your home.
Do a bit of research if possible to find out which materials will suit your needs the best. Most bespoke cabinets are made of wood, but there are many types of wood that will affect the appearance, cost, and durability of the finished product. Try to think in terms of what will look best within the room; this will mean considering the color of the walls, the available light that shines through windows, the look of the existing furniture, and so on. The builder may have recommendations for you on what woods will work best for your space, but the more you know, the better decision you will be able to make in the long run.
If you are at a loss for ideas, you can always look on the Internet for examples of bespoke cabinets as well as prefabricated cabinets that would suit your needs. Consider those structures and decide if they would work well for your own plans; you can combine ideas from several different models, or simply refer the builder to some bespoke cabinets from someone else's home that you think would work well in yours.