Accuracy of determination of real estate area has a great importance nowadays, both in real estate selling and in tax assessment and also in spatial planning. Present and used in the past methods of area determination of parcels, buildings and dwellings cause thatthe quantity of areas are not consistent and at present this situation gives many questions. In the paper, discussion and analysis of methods of determination of areas of all types of estate in Poland, has been presented. Both methods used nowadays and used in the past has been showed here. In the relation to dwellings it has also been pointed, various provisions in force, within the range of computations of areas. For buildings in turn, it has been presented possible cases of determination of area of footprint of building and area of floor area (as sum of usable floor spaces) and areas of auxiliary premises. For land real estate, methods of determination areas of parcels used in the past together with their analysis of accuracy of areas and analytical methods used at present, have been presented. It has been pointed possible errors of analytical determined parcel area, as derivative of inaccuracy of determination of coordinates of boundary points and shape of parcel. In the summarization, possible effects (both factual and legal) of erroneously revealed in documents areas or real estate, have been presented. It has also been presented possible changes in provisions of law, partially solving problem of inaccuracy of determination real estate area.

Appropriate use of the economic potential of the property is a challenge not only for planners and local authorities, it is also important for the individual owners. The biggest changes will result from changes in local planning, mainly from the conversion of agricultural land for residential purposes. However, legislative changes were created to protect this type of land against uncontrolled rotation. The changes made in recent years, complicated, or even impossible so far used the process of buying and subsequent conversion of the property, to the needs of the real estate market premises or services. The article presents the ideas of Land Use Efficiency on the example of transformation of agricultural real estate in the property held for development. Example simulations are an empirical transformation or division of property to sell them for housing purposes. These examples illustrated in the example of land developing, for whom the lack of local development plans or plans are developed recently. For this purpose, a qualitative and quantitative approaches, including decision trees to determine the criteria for the formation of real estate prices. The author draws attention to the possibility of the development of non-urbanized areas and the potential costs and financial returns resulting therefrom.

Property boundary points define the extent of property rightsin the field. For this reason, the precision of these coordinates is one of the most crucial factors which decide in both cases: the surface area of the property and the accuracy of this field and about the reliability limits and therefore the credibility of the cadastral system of the state. The ongoing process of cadastre modernization in Poland allows to improve the accuracy of the position of property boundary points. The coordinates of the boundary points can be fixed by various methods. Method of direct measuring in the field is preceded by the fixing of the boundaries in the presence of the owners. A photogrammetric method of marking out the boundaries basis of aerial photographs, the boundary points are or are not previously determined and indicated. The cartographic method for determining the coordinates of border points uses existing cadastral maps analogue, which has undergone a process of scanning and vectorization. The article presents an assessment of the accuracy of the coordinates designate the border points using the traditional method. It has been shown that the extent to which the accuracy of the coordinates is affected by the accuracy and establish the configuration points.

Due to the high demand on the housing market, it may seem that every investment will find buyers’ interest and the key is its economic dimension. Meanwhile, in the Krakow real estate market, one can observe the trend of SMART market creation, in which the added value is the quality of life of residents of a given investment, especially in terms of using renewable energy sources and ensuring a well-organized space around the investment. The implementation of intelligent energy networks and the widespread use of renewable energy sources will result in more efficient energy transfer, waste recycling, faster identification of the threat and repair after a possible failure. Using, for example, the resources of the National Fund for Environmental Protection and Water Management, the implementation of ecological solutions is not related to the excessive price of such investments, and guarantees a higher quality of life for new owners. The article presents good practices in the design of housing estates in the city of Krakow. One of such closed settlements is "Osiedle Fi", whose location guarantees good public transport, additionally underground parking places a lot of green areas outside, positively affecting the microclimate of the area. The buildings are made of natural materials and the common parts of the property are illuminated from solar energy. The use of renewable energy sources favors both the environment and reduces the cost of maintaining the property. Rainwater is also used. The next smart housing estate is "Osiedle Ozon". It is a comfortable housing estate with functional land development. Among its main attributes, it is worth mentioning a lot of greenery and naturally diversified terrain. There were used plant species, which have the ability to catch harmful chemicals or dust from soil and air. In this work, a statistical analysis was conducted to compare the prices of housing properties in these two selected settlements to the prices of real estate in the area, indicating statistically insignificant differences in the economic aspect, with significant differences in the quality of life of the potential buyer.

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