The salary of a sea surveyor typically includes a base salary of approximately £49,684, which reflects the core compensation for the role. Additionally, there is a full allowance of £12,000 that is provided after the successful completion of training, serving as an incentive and compensation for the specialized skills required in the profession. Overall, the total potential earnings can be considered to be around £61,684 once the allowance is included, though the initial salary during training may be lower. This compensation structure aims to attract qualified professionals by offering a competitive salary package that rewards both experience and training completion.