The Jurisdiction in the OP states United Kingdom (This is available as an option when selecting a Jurisdiction for the thread). It seems this forum is for users of United Kingdom also, but has seldom usage from people in this country.
I also downloaded The Law app for my iPhone which is...
Hi
This happened in the UK, but I imagine contract law is very similar in the US.
A landlord gave me a tenancy agreement for a room, I paid him a deposit and first months rent up front. I took the contract home and signed it, but I never handed the contract back as I instantly changed my mind...