There are many stores where you could be buying your floor lamps from however in order to have the most pleasant shopping experience, you will want to look for a store that specialises in these lamps. This is because floor lamps may be available in a very good variety however not all stores would be in a position to stock all possible varieties which is why looking for stores that specialise in floor lamps would be one of the options available to you.
However it is not practical for stores to only stock floor lamps which is why they are generally available from electrical stores that deal in all types of electrical items including fans and other lighting systems. Larger stores would stand a better chance of having bigger varieties of floor lamps than smaller stores but if you are shopping online then you will definitely be able to find all sorts of floor lamps which you could then carefully select from.
You have to bear in mind that shopping on the high street may be tedious as you might have to commute from one electrical store to another to find floor lamps that may appeal to you however when shopping online things are a lot more convenient.