UK Property Law
Get UK Property Law Questions Answered by Experts
Is this an AST?
That is not good news.
Will they agree to you going?
Yes, the landlord has but that doesn't allow you to leave.
It is really hard to escape an AST. You have to show that the property is literally uninhabitable through something like flooding or fire damage.
What you have is a disrepair claim. It is a good claim but it is a claim for compensation in disrepair not a ground to escape.
Environmental Health might give him an improvement notice anyway which might resolve the immediate issue.
Of course, the landlord might not want to be sued for disrepair and might prefer to allow you to leave.
Can I clarify anything for you?