Thanks for your question. I will try to help.
If a new lease is proposed to be executed by way of renewal then all the freehold owners of the property must sign the lease in order for it to be valid.
Land Registry would not register the lease unless all freehold owners were to execute the lease.
So, if you were not willing to sign the lease then no valid lease can be executed. Your husband cannot unilaterally execute a lease which would be fully binding.
If he were to execute a lease listing only him as the only landlord then it would not be binding/registrable against the freehold, and he may find himself with a breach of contract claim being made against him by the tenant.
So, no, he cannot do this on his own. He needs you to agree to the lease and to sign it with him, otherwise it would not be legally binding.
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