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As the property is a house in multiple occupancy ('HMO') your landlord may require an HMO license from the Council to let the property as an HMO. If you have any concerns regarding this you should contact the Private rental team at your local council.
Based on the information provided it appears that the agreement is more than not an assured shorthold tenancy ('AST'). To order to evict you from the premises your landlord would have to serve a Section 8 or 21 notice under the Landlord and Tenant Act 1985. Once the notice has expired your landlord would have to apply to the court to evict you.
If you don't agree with the terms of the new tenancy agreement it would advisable to try and negotiate with your landlord or you may wish to look for alternative accommodation.
If you believe that your landlord misrepresented the property to you. You could request that the agreement (verbal) is set aside so you could be released from the contract.
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