Initially it is worth having a consultation to discuss the problem. 

Remote consultations are easier for working parents but is difficult to get an accurate examination or hearing assessments.  They are useful as an initial chat

A remote consultation is £150-250 depending on the length and complexity

A face to face consultation is £250 and allows the ears, nose and throat to be examined with a camera and headlight.  

Rarely a flexible ultrafine endoscope is needed which is £120

Audiometry and impedance testing is between £150-£200

Follow Up appointments £150