“The tribunal accepts that Mr Isenschmid has created some delays in works of repair being carried out by the landlord due to his refusal to allow works due to his changes of mind and his wish to acquire the long leasehold from his landlord, the identity of whom he was well aware, but determines that as at the start of his tenancy the subject property was already in significant disrepair for which substantial deductions are required in order to properly reflect this.”