Broadly speaking, you can claim for the following: -
Pain, suffering and loss of amenity, e.g. the brain or head injury itself and associated symptoms.
Financial losses incurred before the settlement of your claim, e.g. loss of earnings, medical expenses, care, support, case management, costs associated in helping you manage your day to day life and/or finances and many other out of pocket expenses you incur.
Future losses and expenses, e.g. loss of earnings, medical expenses, care, support, case management, costs associated in helping you manage your day to day life and/or finances, accommodation needs, and any other future expenses you are likely to incur.