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Selling with an agent or on your own

Author: RealtyTM Team Verified Updated: 11 AugustAugust8 2026 · 4 min read
Sprzedaż z agentem czy samodzielnie

One of the first questions when selling a flat is whether to do it on your own or use the help of an estate agent. Both routes have their advantages and limitations, and the right choice depends on your situation, knowledge and the amount of time you can devote to the whole process.

In this guide we compare selling with an agent and on your own in terms of costs, time and risk. We explain what an agent really does, when their support pays off and how to prepare for selling on your own if you decide to act alone.

Key takeaways
  • Selling with an agent saves time and lifts from the owner the duties connected with marketing, viewings and formalities, but involves a commission.
  • Selling on your own lets you avoid the commission but requires knowledge, commitment and time to handle the whole process.
  • A good agent brings market knowledge, valuation, reaching buyers and support in negotiations and formalities.
  • The choice depends on the seller's experience, the available time, the specifics of the property and the situation on the local market.

What the agent's role involves

An estate agent conducts the sale on behalf of the owner: advises on valuation, prepares the offer, publishes listings, organises viewings, conducts negotiations and supports the formalities all the way to the transaction. A good agent knows the local market and has a base of potential buyers, which can shorten the sale time.

The cooperation is governed by an agency contract setting out the scope of duties and the remuneration. It is worth carefully reading its terms, including the matter of exclusivity and the way the commission is calculated, in order to consciously decide on the scope of cooperation.

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The advantages of selling with an agent

The greatest benefit is saving time and lifting from the owner duties that can be time-consuming and require knowledge. The agent handles marketing, arranging and conducting viewings, selecting buyers and negotiations. For busy people or those living far from the property being sold, this is a great convenience.

The agent also brings experience in valuation and knowledge of market realities, which helps set a realistic price and avoid mistakes. Support in the formalities and in compiling the documents limits the risk of stumbling on the way to the contract at the notary.

The advantages of selling on your own

The main advantage of selling on your own is the absence of an agent's commission, which for many owners is an important argument. The seller also retains full control over the course of the process, the manner of presenting the offer and direct contact with buyers, whom they select themselves.

Selling on your own can be a good choice when the property is attractive and easy to sell, and the owner has the time, knowledge and confidence to conduct negotiations. It is worth realistically assessing, however, whether you will cope with all the duties, from marketing to formalities.

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Costs, time and risk

Selling with an agent means a commission, but also less work and substantive support. Selling on your own eliminates the commission, but shifts onto the owner the costs of time, listings and the risk of mistakes in valuation, negotiations or documents. It is worth counting not only the money but also the value of the time devoted.

The risk in selling on your own includes, among others, a price that is too high or too low, a poor presentation of the offer and formal oversights. In turn, in cooperation with an agent the risk can be a mismatched agent or unfavourable contract terms, which is why the choice of partner matters greatly.

How to make the decision

The choice depends on several factors: your experience, the available time, the specifics of the property and the situation on the local market. If you value convenience, lack time or the property is harder to sell, an agent's support may pay off. If you have the knowledge, time and confidence, selling on your own will let you save the commission.

It is also worth considering intermediate solutions and reliably assessing your own capabilities. Regardless of the choice, a good valuation, careful preparation of the offer and orderly formalities are the foundation of a successful sale.

Summary: which route is better

There is no single answer to whether it is better to sell with an agent or on your own. An agent saves time, brings knowledge and support in return for a commission. Selling on your own lets you avoid the commission but requires time, knowledge and commitment. Decide by weighing the costs, time and risk and by assessing your own capabilities and the specifics of the property. The key in both cases is reliable preparation.

Frequently asked questions

How much does selling a flat with an agent cost?
The cost is the agent's commission set in the contract, usually as a percentage of the sale price. The amount and rules of calculation are negotiated, so before signing the contract it is worth carefully checking its terms, including any exclusivity.
Is selling on your own difficult?
It depends on the property and the seller's experience. It requires time for marketing, viewings, negotiations and formalities, and knowledge to avoid mistakes in valuation and documents. With an attractive flat and good preparation, however, it is fully feasible.
What does an estate agent do during a sale?
Advises on valuation, prepares and publishes the offer, organises and conducts viewings, selects buyers, supports negotiations and formalities all the way to the transaction. A good agent knows the local market and can shorten the sale time.
When is it better to choose an agent, and when to sell on your own?
An agent can be better when you lack time, experience or the property is harder to sell. Selling on your own pays off when you have the knowledge, time and confidence, and the flat is attractive and easy to sell, as it lets you avoid the commission.
RealtyTM Team
RealtyTM Team
Editorial

The RealtyTM editorial team prepares guides based on Polish market data and current regulations. Content is reviewed by our subject editors.

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