There are situations where renting no longer makes sense. The landlord needs the property, wants to sell, has lost confidence in the relationship, or has simply reached the end of the term and doesn't want to renew. The decision may be legitimate, but what usually creates problems is not the intention. It's the way it's done.

When terminating a lease agreement, attention to detail is crucial: deadlines, type of contract, method of communication, correct address, proof of receipt. A small mistake can delay the landlord's objective for months and create grounds for a dispute.

This article explains how a landlord should proceed when terminating a lease agreement, what options exist depending on the type of contract, which deadlines are critical, how to communicate effectively, and what to do when the tenant does not accept or does not leave.

Complaint, non-renewal, and resolution: what is what?

In common usage, people say "I'm going to terminate the contract" for everything. But legally, it's important to distinguish between the two, because each situation has different requirements.

A notice of termination is the act by which one of the parties communicates that they wish to end the contract, respecting the applicable rules, especially regarding deadlines and form.

Non-renewal is the scenario in which a contract has a fixed term and the party communicates that they do not want it renewed at the end.

Termination is the cessation of a lease due to non-compliance or for legal reasons that allow it to end before the end date, usually due to non-payment of rent or other serious violations.

If the problem is non-payment, the strategy may not be to "report" the debt, but to prepare the way for recovering the property through independent means. In that case, see... Tenant not paying rent: legal steps for the landlord e Landlord wants to evict: how does the eviction process work?.

The landlord's first step: confirm what type of contract exists.

Before writing a letter, the landlord should confirm the essentials:

• Is the contract fixed-term (for a specific period) or indefinite-term?
• Is there an automatic renewal clause?
• Is there any special clause regarding termination or opposition to renewal?
• What is the notification address indicated in the contract?

It seems obvious, but many problems begin because the wrong deadline is applied to the wrong contract.

If the lease was made informally, or if there are doubts about essential terms, it is advisable to first understand the evidentiary value of what exists. It may be helpful to read Verbal lease agreement: is it valid?.

When can a landlord terminate a lease agreement?

The possibility of termination and the time limits depend on the type of contract and the grounds for termination.

In practical terms, there are three frequent situations.

1) The contract is nearing its end and the landlord doesn't want to renew it.

This is the simplest scenario: there is a fixed-term contract and the landlord wants it to end at the end.

Here the focus is on:

• • respect the communication deadline;
  • to ensure that the communication reaches the tenant;
  • Keep proof.

When the deadline is missed, the contract can be renewed, and the landlord is stuck in a relationship they wanted to end.

2) The contract is for an indefinite period and the landlord wants to terminate it.

In open-ended contracts, there are specific rules for termination, with more stringent deadlines and often requiring justification.

The idea behind these deadlines is to protect housing stability.

Therefore, if the contract is old, or if it has particularities, the risk of making a mistake is greater.

3) The problem is non-payment and the landlord wants to terminate the lease early.

If there are rent arrears, damages, misuse of the property, prohibited subletting, or other violations, termination may be the appropriate course of action, not just a complaint.

Here, what decides everything is the evidence and how the process is communicated and prepared.

If the topic is construction and conservation, there may also be conflict over responsibilities. In that case, see Works on the Rented Property: Who Decides and Who Pays?.

Deadlines: what usually goes wrong

The biggest problem with terminating a lease agreement is this: the deadlines cannot be "predicted." They depend on the type of contract, its duration, when the notice is given, and sometimes, the grounds for termination.

When a landlord applies a short deadline to a situation that requires a long one, the tenant can contest it, and the goal of recovering the property can be significantly delayed.

Therefore, the best practice is simple:

• Identify the type and duration of the contract;
• Read the renewal and communications clause;
• Calculate the timeframe with a margin;
• communicate through a means that guarantees proof.

If you are thinking of selling the property and renting is a factor, there is also the issue of the tenant's right of first refusal in certain scenarios. To avoid surprises, see Right of First Refusal: When can it be exercised?.

How the landlord should communicate the termination: the form is half the result.

Communication is at the heart of the process.

Even when the landlord is right and respects deadlines, they lose control if they cannot prove that they communicated correctly.

In practice, the safest approach usually involves:

• Registered letter with acknowledgment of receipt;
• Sending notifications to the contractual address;
• Keep a complete copy of the letter;
• Keep proof of registration and delivery.

If the contract stipulates another formal method, it may be used, provided proof is left.

The goal is simple: if there is a dispute, the landlord must be able to prove the date and content of the communication.

What should be included in the complaint letter?

An effective letter doesn't have to be aggressive. It has to be clear.

It should typically include:

• Identification of the landlord and the tenant;
• Property identification;
• Reference to the contract (date and, if any, attachments);
• unequivocal indication of the intention to denounce or oppose the renewal;
• Intended termination date, aligned with the applicable timeframe;
• Request for delivery of the property and definition of how the keys will be handed over;
• Proposal for scheduling the final inspection;
• mention of the final settlement of accounts (rent, expenses, security deposit).

One way to reduce conflict is to plan the inspection and delivery method from the outset, including inventory and registration. This is very helpful during the security deposit phase.

What if the tenant doesn't respond, doesn't pick up the letter, or ignores the complaint?

This scenario happens more often than you might think.

The tenant either doesn't pick up the letter, changes address without notice, or simply ignores it.

Here, the landlord should not react impulsively. First, they must confirm that they sent it to the correct address and have proof of delivery. Then, they must understand whether the communication, even if not picked up, produces effects depending on the case and the method of delivery.

And if the goal is to recover the property and the tenant doesn't leave, it may be necessary to proceed with the appropriate eviction mechanism.

To understand the context and avoid wasting time, see Landlord wants to evict: how does the eviction process work?.

Contract termination and deposit refund: prepare for the end from the start.

The biggest argument at the end of a lease is usually about the security deposit. The landlord wants to retain it for damages. The tenant says the damages already existed or are normal wear and tear.

Therefore, prevention starts early:

• Detailed inventory;
• dated photographs;
• Log of fault reports;
• Final inspection with simple minutes.

If the sale ends without an inventory, the landlord becomes more vulnerable and the tenant becomes more suspicious.

Termination of the lease agreement and sale of the property.

Some landlords file complaints because they want to sell. In some cases, it may be more efficient to sell with a lease and adjust the price. In others, it makes sense to regain possession.

A common mistake is to start the process without considering the tenant's right of first refusal when applicable, or without realizing the impact of the lease on the market value.

If you are planning a sale, supplement it with Right of First Refusal: When can it be exercised? And if you're structuring the operation, it might make sense to have support from... Real Estate Lawyers: How they can help.

A practical guide for landlords to avoid mistakes.

To reduce risk, this guide helps you stay in control.

• Read the contract and identify the term, renewal period, and communication rules.
• Confirm contractual address for notifications.
• Determine whether it is a complaint, opposition to renewal, or termination due to non-compliance.
• Calculate deadlines with a margin and choose a shipping method with proof.
• Prepare a concise letter with the termination date and a request for delivery.
• Keep receipts and a complete copy.
• Schedule final inspection and prepare exit inventory.
• If the tenant does not vacate, proceed with the appropriate legal mechanism.

This method prevents the landlord from being stuck with "I already sent a message" and then having no way to prove it.

Common mistakes that give the tenant an advantage.

Most conflicts arise from avoidable mistakes.

• Confusing complaint with resolution and moving forward on flawed grounds.
• Missing the deadline and forcing an involuntary renewal.
• Sending the letter to the wrong address or without proof of address.
• Not indicating a clear termination date.
• Failure to prepare for the final inspection and security deposit phase.
• Attempting to enter the property or change the locks through "self-help" creates criminal and civil risks.

If the landlord is already in a broader conflict, it can be helpful to understand how to decide on a strategy when there is a breach of contract. See Breach of contract: what to do legally.

Conclusion

Terminating a lease agreement is a right of the landlord, but it is not an informal gesture. It is a procedure with deadlines and rules of proof.

When the landlord acts correctly, they gain predictability: they know when the contract ends, prepare for the handover of the property, reduce conflict over the security deposit, and avoid months of uncertainty.

When it acts poorly, it opens the door to disputes, delays, and costs, even when it was in the right.

If you need support to analyze your contract, calculate deadlines, prepare communication and, if necessary, proceed with eviction, talk to our team. lawyers in Braga and protect your property strategically.