National Core Data

Architectural information

국토교통부 Request Data

◆ What is architectural information ?

Architectural information is information generated throughout the entire administrative work related to the life of a building, from planning to destruction (permission → construction → use approval → maintenance → demolition, etc.), and is the most important information that is the basis for people's housing, economic activities, and life. am. Since February 2015, the Ministry of Land, Infrastructure and Transport has opened 1,546 items of building and housing-related information (building registers, building permits, etc.) and approximately 280 million pieces of data entered into the building administration system. In addition, drawing data, building maintenance information, etc. Approximately 1.21 billion pieces of data will be released. In addition, it provides opportunities for new business creation through the development and provision of new open API services to make it easier for the private sector to utilize building information.

What data is being released?

The Ministry of Land, Infrastructure and Transport's open data information table shows information on data provider, open data, total number of opens, and provision method.

   Data provider

  open data

Total number of openings

Delivery method

Ministry of Land, Infrastructure and Transport

Building register (basic overview, housing price, attached lot number, etc.), closed and erased register (basic overview, floor overview, attached lot number, etc.),

Building permit (road register, attached parking lot, etc.), housing permit (site location, auxiliary facilities, attached parking lot, etc.),

Building energy (energy consumption by tenant), building maintenance inspection (inspection receipt report, inspection results, maintenance building management ledger, etc.), etc.

  Approximately 680 million cases

file data,

Open API


How can I use it?

When architectural information is opened, users are expected to expand to private companies and the general public in various fields such as small business owners, data distribution, finance, real estate purchase and consulting, and construction-related industries such as architectural design, building maintenance and inspection, and architectural content distribution are expected to become active. do. The general public can reduce time and costs by integrating and utilizing building-based data for building management (usage inspection, energy management, etc.) and finding optimal housing. In the architectural industry, it is expected that the expansion and opening of architectural information will revitalize construction-related industries such as architectural design, maintenance, and inspection. In fact, several companies that have implemented pilot applications using open data predict that costs will be reduced by 2.5 billion won per year for location analysis and real estate consulting, and 6 billion won per year for industry consulting related to new and renewable energy. If private companies and individuals utilize this open building information to create various creative convergence services, a reduction in various social costs can be expected. For example, in the case of self-employment start-up consulting, it is predicted that annual social costs of 1.3 trillion won will be reduced, relieving the economic burden of self-employed people.