Summary:

Land and buildings registry, according to the current rules in Poland, acts as a real estate cadastre. As a public register, is subjected to the current and periodic modernization. The aim of the modernization is to improve the quality of the collected data. The most satisfactory results in the process of modernization are obtained on the basis of geodetic field measurements. Photogrammetric measurements are a more economical solution, but their use carries a risk of failure in meeting the criteria of accuracy positions of border points. This paper represents a case study on the effects of the process of modernization of the land and building registry for areas where the source material are registry maps in the scale of 1: 2000, created on the basis of photomaps, or cadastral maps in the scale of 1: 2880. The aim of the study is to assess and verify the suitability of these materials in the process of modernization. The study was conducted for 30 registration precincts, located in the Małopolskie Voivodship. For the analyzed objects the following information was collected: the total number of parcels within the precinct and the number of parcels that meet one of the five criteria of data sources. Analyses revealed that the most satisfactory results in improving the quality of the registry data sets, gives the use of data sources from the direct of surveying.