- By my estimate, selling an apartment yourself takes about 80 hours of work.
- The agent takes over documents, marketing, viewings and negotiations; you are left with about 8 hours.
- An agent is worth it when their work raises the price or shortens the sale by more than their fee.
The short answer: it depends on what your time is worth and how much risk you want to take on. With an inexpensive flat in a block that sells itself, the difference may be small. With a premium apartment, where buyers compare dozens of listings, a professional sale usually more than pays for itself.
What you do yourself and what the agent does
Selling an apartment is several projects running in parallel: documents, preparing the property, materials, listings, answering calls, viewings, negotiations and formalities with the buyer's bank and the notary. Below I have set out the owner's estimated time in both scenarios.
| Task | Selling on your own | With an agent (your time) |
|---|---|---|
| Documents: land register, certificates, owners' association or cooperative | 8 h | 2 h |
| Photos, description, publishing and refreshing listings | 10 h | 0.5 h |
| Calls and messages from interested parties | 20 h | 0 h |
| Viewings, including the wasted ones | 27 h | 0 h |
| Negotiations, preliminary agreement, the buyer's bank, the notary | 15 h | 4.5 h |
| First conversation, valuation and approving the strategy | 0 h | 1 h |
| Total, estimated | approx. 80 h | approx. 8 h |
The estimate is for a typical apartment sale with a dozen or so viewings. In practice the time depends on the price, the location and the market.
Where an agent really affects the price
- The asking price. Too high and the sale drags on and ends in price cuts. Too low and you leave money on the table. A valuation based on local transactions limits both risks.
- Materials. A buyer of a premium apartment first decides on the basis of the photos and film. A professional shoot and home staging increase the number of enquiries from the right people.
- Negotiations. An agent negotiates without emotion and knows the other side's arguments. Owners who negotiate the sale of their own home give way more often.
- Access to buyers. A client database and off-market listings reach buyers who don't browse the portals every day.
When an agent isn't worth it
If you already have a buyer and only need a notary, a full agency service usually isn't necessary. The same goes if you have plenty of time, sales experience and a property in very high demand. In that case consider a narrower service, such as just a valuation or preparing the documents.
How to work it out for yourself
Add up three things: the value of your time (hours times the rate you put on it), the cost of a pricing mistake (even a 3–5% difference on a PLN 1.5 million apartment is tens of thousands of złoty) and the cost of a longer sale (service charges, mortgage, missed opportunities). If the total is more than the agent's fee, working with an agent pays off.


