24.05.2026 - Testowa
Statutory Warranty vs. Guarantee – The Most Important Differences When Buying Real Estate


What Is a Statutory Warranty When Buying Real Estate?
A statutory warranty is the seller’s legal liability for physical and legal defects in the sold property. It arises directly from the Civil Code and applies regardless of the parties’ intentions. This means that a developer cannot exclude or limit it in an agreement concluded with a consumer.
When purchasing real estate from a developer, the so-called developer statutory warranty is especially important, as it protects the buyer for 5 years from the date ownership is transferred. This is a much longer period than in the case of ordinary consumer goods.
Physical defects include situations where the property does not have the features promised by the developer or is not suitable for the purpose specified in the agreement. Legal defects concern issues such as third-party claims or encumbrances affecting the property.
It is important to remember, however, that this protection has its limits. A developer statutory warranty does not cover:
- mechanical damage caused by the resident,
- defects resulting from normal wear and tear or lack of proper maintenance,
- defects that the buyer knew about and explicitly accepted when signing the notarial deed.
What Is a Guarantee and Who Provides It?
A guarantee is a voluntary commitment made by the manufacturer or seller that goes beyond statutory obligations. Its content, scope, and duration are specified by the guarantor in the warranty document. This means guarantee conditions may differ significantly depending on the issuer.
In the construction industry, guarantees are often provided by manufacturers of building materials or installations, and sometimes by the developer itself. They may cover:
- specific finishing elements,
- installations,
- devices installed in the apartment.
It is worth reviewing the warranty documentation before accepting the apartment handover.
Statutory Warranty vs. Guarantee – Key Differences
The differences between a statutory warranty and a guarantee concern several important aspects.
Feature | Statutory Warranty | Guarantee |
| Legal basis | Civil Code (mandatory) | Warranty document (voluntary) |
| Responsible party | Seller / developer | Guarantor (manufacturer or seller) |
| Protection period | 5 years (real estate) | Defined by the guarantor |
| Can it be excluded? | No (for consumers) | Yes (depends on guarantor terms) |
| Scope of defects | Physical and legal defects | Defined in the warranty document |
Statutory Warranty Period vs. Guarantee Period – What Should You Know?
When purchasing real estate, the statutory warranty period lasts 5 years from the apartment handover date. During this time, you may assert your rights against the developer if physical or legal defects are discovered.
Guarantees for specific equipment or installations may be shorter or longer. Manufacturers of windows, doors, or heating systems often provide guarantees for several years. It is therefore advisable to keep all warranty documents received during the apartment handover.
The deadline for reporting a defect under statutory warranty is one year from the date the defect was discovered. For example, if a defect appears in the fourth year after handover, you still have one year to submit a claim, provided the overall five-year warranty period has not expired.
What Can You Demand Under a Statutory Warranty and Under a Guarantee?
Under statutory warranty, the buyer may request:
- repair of the defect,
- replacement with a defect-free item,
- a price reduction,
withdrawal from the agreement if the defect is substantial.
The developer has the right to choose the method of remedy, but it must be carried out within a reasonable time.
Under a guarantee, the scope of claims is defined by the warranty document. The guarantor may limit obligations solely to repair or replacement of a specific component. Therefore, in the case of more serious defects, statutory warranty often provides broader protection than a guarantee.
You may use both mechanisms independently. If the guarantor refuses to accept a warranty claim, you may still rely on statutory warranty, provided the defect falls within its scope and the deadline has not expired.
Statutory Warranty vs. Guarantee – Which Should You Choose for Property Defects?
The choice between statutory warranty and guarantee depends on the nature of the defect and who is responsible for fixing it. In cases of structural defects, leaks, or construction errors, statutory warranty is usually the appropriate route because the developer is directly liable.
A guarantee may be more useful when filing complaints regarding a specific appliance or equipment item with the manufacturer. However, it is important to remember that guarantee terms may be narrower than the rights available under statutory warranty. Before submitting a complaint, check which option is more beneficial in your specific situation.
If you want confidence that your apartment is backed by a reliable developer, explore the offer of a developer in Warsaw or a developer in Gdańsk from J.W. Construction. The company provides reliable technical information and ensures transparency at every stage of the purchase process.
FAQ – Frequently Asked Questions
Which Is Better: Statutory Warranty or Guarantee?
A statutory warranty arises from the law and always applies to the buyer regardless of the developer’s intentions. A guarantee is voluntary and its scope depends on the guarantor. In the case of real estate defects, statutory warranty usually provides broader protection.
When Can You Use a Statutory Warranty?
You can use statutory warranty if a defect appears within 5 years of the property handover. The complaint must be submitted within one year from discovering the defect.
When Does Statutory Warranty Apply and When Does a Guarantee Apply?
A statutory warranty always applies when buying property from a developer. A guarantee applies only if the guarantor issued and delivered a warranty document. Both mechanisms may apply simultaneously.
What Defects Are Covered by Statutory Warranty?
Statutory warranty covers physical defects, meaning non-compliance of the property with the agreement or the developer’s promises, as well as legal defects such as third-party claims against the property. It does not cover defects caused by the buyer or defects known to the buyer at the time of purchase.



