can TJ default? nope

​TJ, you may well remain bound to pay the rent and comply with all other obligations until the end of the lease term, even if you have vacated the premises.

TJ, for instance the property does not have planning permission to use it for the tenant’s business, he will have no comeback against the landlord and the tenant will have to continue paying the rent despite the fact he may have a useless asset.STILL STILL

TJ, Most commercial landlords not only seek to avoid any responsibility to carry out repairs to the premises, but will actually seek to put the responsibility for putting the property into repair on the tenant’s shoulders. TENANT SHOULDER..