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What is the driver behind proprietary estoppel?
Is the driver expectation?
C definitely needs to expect something - but this only seems to establish a claim in proprietary estoppel o You're going to need something extra to get relief for it o McFarlane and Bright: Basis of estoppel is merely to protect B's reasonable reliance where A can be said to be responsible for the expectation on which the reliance was based
? Pascoe v Turner : D suggested giving entire house to C as relief =
Cumming Bruce LJ: o Court should consider all the circumstances, and must decide what is the minimum equity to do justice to D owing to detrimental reliance caused by C
? Clear that C is poor and D is rich and will not suffer much loss while C will suffer grave loss o Equity cannot here be satisfied w/o granting remedy which assures to the defendant security of tenure without interference from C
? and a clean break
Should we have to expect some kind of proprietary right?
o Cobbe v Yeoman's Row :
? Lord Scott
The problem in this case is that there is no proprietary right specifically examined o And unconscionability of conduct may well lead to a remedy but proprietary estoppel cannot be the route to it o To treat a "proprietary estoppel equity" as requiring neither a proprietary claim by the claimant
? but simply unconscionable behaviour is a recipe for confusion o Dixon: does ensure that we don't create new rights ad hoc
? The law of real property places limits on the ability of persons to create property rights--usually, the parties must employ a degree of formality.
The extent to which estoppel permits the claimant to obtain a property right without such formality o necessarily contradicts the policy of certainty that is inherent in the statutory formality rules. o But there are other ways to limit this without requiring the claimant to specifically know what proprietary right they're after
? Thorner looks to how the ingredients of estoppel--assurance, reliance and detriment--should be defined so as to limit claims of estoppel.
Rather than reclassifying proprietary estoppel as a form of promissory estoppel
This is not to say they were wholly successful - o Lord Walker in Thorner = what sort of assurance depends hugely on the context Is it what someone has detrimentally relied on?
Gardner: There are hints of this, but different interpretations of what reliance means and how much you need
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