You may change your name by deed poll however many times that you want. There is no limit or law that prevents you from changing your name anytime that you wish.
However there are a couple of things to consider if you plan on switching your name multiple times.
Firstly, you will have to update the following organizations about your name change:
Needless to say, constantly switching your names with all of these organizations can be quite a hassle. Therefore, it would probably be better to change your name when you are sure that you feel comfortable with your new chosen name.
If you are having trouble choosing your new name there are lots of places that you can look to for inspiration. If you are a history nerd you can look for ideas from famous figures in world history (Winston Churchill or King Henry).
If you are immersed in the popular culture you can always look to your favorite TV show for ideas. In fact, popular culture has a big impact on names in the UK.
Even though you have a lot of leeway under UK law when choosing a name, there are some names that will not be accepted by most governmental organizations. For example:
If you want to go ahead and change your name we will be able to process your deed poll in five minutes. To get started click here.