What do constructive trusts do?
they allow a limited exception, expressly contemplated by parliament
Can you use estoppel to get around the requirements of s2?
No.
You cannot simply say something is unfair, you have to show that you had some definite proprietary expectation in order for estoppel to help you.
Is there a clear way to decipher between estoppel and constructive trusts?
No as they can both arise in similar circumstances
What is a constructive trust
another type of equitable interest that can arise through the operation of law and it can arise in similar circumstances to an estoppel claim