What is the principle of 'duty to speak up'
In general, silence and disclosure does not create liability because in the UK there is no requirement for good faith. However, if a state is true at the time of the contract which induces a person, then the seller must inform the buyer seen in With v. O’Flanagan
Seller is a GP and reports that he is getting 2k from the practice. GP was ill and patients left later only eearnt £10 a week. D claimed it was misrepresentation and left the contract.
Held that a statement to induce the buyer then if things change, they must tell the other party.