Possible roofing or chimney repair - Roofing job in Peterborough, Cambridgeshire

Job description

Currently have damp inside a bedroom, along the side of a chimney. Don't know if this is caused by flashing, broken tiles or something else. Would like someone to come out, diagnose and quote for the job. Also have a leak in the guttering at one of the brackets but further along than the chimney.