In short, yes, CBD is legal in the UK.
However, the UK law considering CBD oil states that products have to meet certain criteria to be lawfully available for human consumption. CBD products must not contain more than 0.2% THC to be legally sold in the UK and all LEAF products contain less than 0.2% THC without exception.
Also, when you’re looking for hemp derived products, it’s best to consider trusted websites, pharmacies or stores to make sure that the products are safe. When in doubt, speak to your doctor or a pharmacist, and make sure to always read the label before consuming CBD products.