Kyiv secondary (resale) residential real estate

The dataset represents apartment listings collected from the Kyiv secondary housing market. Each row corresponds to a single apartment offered for sale, containing pricing, location, physical characteristics of the property, and descriptive metadata. Domain: Real estate / Housing marketLocation: Kyiv, UkraineMarket segment: Secondary (resale) residential real estateObservations: 14,066 property listingsFeatures: 20 variables Feature Description 1. Identification idUnique identifier of the real estate listing. 2. Pricing Information priceTotal listing price of the apartment (numeric).The currency is specified separately. price_smPrice per square meter.Useful for normalizing prices across different apartment sizes. currencyCurrency in which the price is listed.Typical values: USD UAH 3. Location Data addressStreet address of the property (text). complexName of the residential complex, if applicable.Often missing (NaN) for older buildings. hist_districtHistorical or informal district name (e.g., neighborhoods commonly used by residents). admin_districtOfficial administrative district of Kyiv (e.g., Solomianskyi, Pecherskyi). cityCity name (constant value: Київ). 4. Property Description descriptionFree-text listing description provided by the seller or agent.May include: Renovation details View, layout, or floor plan Marketing phrases Commission notes This field is useful for NLP tasks such as text classification or sentiment analysis. 5. Apartment Characteristics roomsNumber of rooms in the apartment. area_totalTotal area of the apartment (square meters). area_livingLiving area (square meters). area_kitchenKitchen area (square meters). 6. Building Characteristics stockFloor on which the apartment is located. stock_totalTotal number of floors in the building. yearYear the building was constructed.May contain missing values for older or unknown buildings. projectBuilding project type or series (e.g., typical Soviet-era series, special project). wallType of building material / construction technologyExamples: монолітно-каркасний (monolithic frame) цегляний будинок (brick) утеплена панель (insulated panel) 7. Data Quality / Flags bad_proposalBinary indicator flag: 0 — normal listing 1 — potentially problematic or low-quality listing This field can be used to filter unreliable or suspicious data points. Data Characteristics and Notes The dataset contains missing values, especially in: complex year project Prices are listed in multiple currencies, requiring normalization for analysis. Text fields (description, address) are in Ukrainian and Russian, which should be considered for NLP preprocessing. The dataset reflects real-world market heterogeneity, including: Old Soviet buildings Modern residential complexes Wide price dispersion across districts