Time is running out for plot owners. The new law may block investments

The year 2026 brings a significant change in the spatial planning system. The construction of a house is increasingly often determined not only by finances or design, but also by formalities – primarily the commune’s general plan and new rules for issuing decisions on development conditions (WZ).

Master plan

Municipalities are obliged to adopt a general plan by August 31, 2026 at the latest. After this date – if the document is not adopted – they may lose the legal basis for issuing new decisions of the General Meeting. This means a real risk of blocking investments in areas without a local spatial development plan (MPZP).

The general plan will become an act of local law covering the entire area of ​​the commune. It will replace the current study of conditions and divide the area into planning zones. It is the assignment of the plot to a specific zone that will determine whether residential development will be possible. If the plot is located in an agricultural, production, green or open zone, building a house may be impossible.

After the general plan comes into force, new WZ decisions will be issued only in areas designated as development supplement areas (OUZ). Moreover, decisions on development conditions will no longer be valid indefinitely. From 2026, they will be valid only for 5 years from the date of entry into force. If the investment does not start within this time, the document will expire. The WZ will also lose its validity if the local development plan for a given plot is adopted.

Plan status

It is crucial for investors to determine the planning status of a property. The most stable situation concerns plots covered by the local development plan allowing for residential development. In the absence of a local plan, it will be necessary to obtain a WZ, and what counts is the effective initiation of the proceedings before August 31, 2026. Simply submitting an application is not enough – the procedure must formally start, which in practice may take up to several months.

Experts emphasize that a valid building permit best protects the investor against subsequent planning changes. Delaying action increases the risk of losing development opportunities.

Changes to the Spatial Planning and Development Act make time a key factor. In 2026, formalities, and not just the design or budget, may determine whether a house will be built on the plot.