Three flats in the same building are to be re-let at the same time. Two have an almost identical floor plan, and the third also appears similar in photos. A prospective tenant views the flat on the second floor first and later enquires about the cheaper offer on the first. If only the name of the prospective tenant is carried forward, information about different units can become conflated.
This article proposes a specific organisational process for Austria and Germany. It does not determine national contractual or selection rights.
Make each unit distinguishable before the first contact
Use a unique internal designation that is known to everyone involved. Add a clear location description for conversations: for example the floor and position of the flat, insofar as these details are actually confirmed. A running listing number alone should not remain the only point of reference if it changes when re-entered.
Assign floor plan, fittings, cost status, planned start and outstanding work to the same unit. Information that applies to the whole building may be kept centrally; an individual characteristic, however, belongs in the respective flat record. Do not copy a missing detail from the most similar flat.
Record contact and flat of interest separately
A person can be interested in several units. Therefore record for each contact which flat was enquired about, viewed and is currently being pursued. An appointment for Flat A is not automatically a fulfilled appointment for Flat B.
If a request to switch is made, summarise the differences known so far. Which details still apply, which must be re-answered for the other unit? These can include fittings, position in the building and a differing handover date. You do not need a new private file collection just because of the internal switch; any data request must have its own appropriate purpose.
Have the switch expressly confirmed
Our editorial recommendation is a clear conversation conclusion: Which unit will now be discussed concretely? Which question remains open? This prevents an informal comparison from being recorded internally as a final decision.
Have the person concerned acknowledge the new floor plan and the actually applicable scope. If only a similar flat was shown, that remains visible exactly as an outstanding viewing point. The organisational list does not decide what legal effect an already given declaration has; in case of doubt a suitable review is required.
Fictional case: The kitchen migrates only in memory
In an invented building Alex shows Flat A with a dishwasher. The prospective tenant later wants to rent Flat B, in which this appliance does not belong to the planned inventory. In her memory the viewing and the new price already form a package.
Alex explicitly checks the unit change: correct floor plan, actual fittings, outstanding appointment and associated cost status. Only the clarified B-status goes into further contract preparation. The dishwasher is neither promised by mistake nor later treated casually as a misunderstanding at handover.
Check the same assignment before signing and handover
Make a short reconciliation: contact, the flat actually meant, the contract version available, associated annexes and current equipment status. When several drafts are prepared, it must remain clear which one is intended for further processing. Old comparative versions are stored recognisably as such.
For the handover the documents of the correct unit are prepared. A change of the person in charge of appointments must not lead to the memory of the flat being swapped along with the key bundle. Your result is a consistent unit reference throughout the entire letting case. It does not replace a specialist review, but it prevents already clarified details from being unknowingly mixed again in the event of a simple flat switch.