Hi
Thank you for your question.
In your case, you may choose to claim either the fixed rate per mile or based on the actual running costs.
However, once that choice has been made, the same basis must be used year on year from that point.
You cannot claim actual expenditure or capital allowances on the vehicle.
Only once the vehicle is replaced may the basis be changed.
Additional information is held under PIM2220 as attached below:
Deductions: main types of expense: travelling expenses
You may claim for the ferry fare, but as the case for both the ferry and vehicle, only expenses incurred on business affairs may be claimed under the wholly and exclusively rule, PIM2010:
Deductions: general rules: applying the wholly & exclusively rule