Report Landlady Imposing Daft Tenancy in All about renting Posted January 20, 2008 · Edited January 20, 2008 by MrShed I'm sorry, but thats just not true. If a contract is illegal, it cannot be enforced, you are correct. This contract is not illegal. In a tenancy, if CERTAIN TERMS are considered unfair, then they cannot be enforced. However, this is not a tenancy. This comes down to simple contract law. Whilst I agree that in court, the landlord would probably not get(for example) 6 months rent paid to him, I would also consider it unlikely(due to that contract) that the court would obstruct a claim for 2 or 3 months. The OP needs to be VERY aware that this is not a tenancy, and as such statute law and the OFT's rulings on fair terms do not apply. There is NO LAW that prevents a contract(a standard contract, not a tenancy or other "regulated" contract) from applying if the terms are considered unfair. Apart from anything else, there is no kind of legal definition of unfair for contract terms - only for tenancy terms, which this is not!