Main Article Content
Abstract
Jakarta faces severe land constraints due to its high population density (over 14,000 people per sq km). This pressure has driven vertical development and innovative urban projects, highlighting the urgency for clear legal frameworks on air rights and Transfer of Development Rights (TDR). Air rights refer to the ability to use or develop the space above land, while TDR is a planning tool allowing the transfer of unused building potential from one parcel to another. Currently, Indonesia’s land law system lacks explicit regulations for these concepts, creating legal uncertainties and limiting urban planners’ flexibility. This research examines the need for formalizing air rights and TDR in Indonesian agrarian law, using Jakarta as a case study. A comparative analysis with practices in the United States and Singapore is conducted to glean insights into how robust air rights and TDR regimes can guide sustainable urban growth. Findings indicate a significant regulatory gap: existing laws (e.g., Basic Agrarian Law of 1960) do not accommodate separate airspace utilization or development rights trading. International examples demonstrate that well-regulated air rights and TDR mechanisms help preserve essential spaces (farmland, heritage sites) while promoting strategic densification. The study concludes with recommendations (ius constituendum) for Indonesian legal reforms to integrate air rights and TDR, ensuring Jakarta and other cities can optimize vertical space and direct development in a controlled, equitable manner.
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Copyright (c) 2025 Mohammad Rafsanjani Akbar, Ghazi Ahmad Tijani

This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
References
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References
Priatmodjo D. Public space in scarce urban land: Case of Jakarta. Dalam 49th International Making Cities Livable Conference on True Urbanism: Planning Healthy Communities For All, Portland, 2012, p. 1–12.
Martinez R, Masron IN. Jakarta: A city of cities. vol. 106. Elsevier; 2020. https://doi.org/10.1016/j.cities.2020.102868.
Santoso PR, Fatma D, Setiawan JP. Regulating compact urbanity in Jakarta. Council on Tall Buildings and Urban Habitat; 2021.
Murray CK, Gordon JC. Land as Airspace: How Rezoning Privatizes Public Space (and Why Governments Should Not Give It Away for Free). Housing Policy Debate 2024;34:228–41. https://doi.org/10.1080/10511482.2023.2234878.
Nirahua DW, Saptenno M. J, Akyuwen RJ, Tjoanda M. Study Of Legal Regulation for The Utilization of Ownership Rights Above Land (Air Space). International Journal of Scientific and Research Publications (IJSRP) 2022;12:459–72. https://doi.org/10.29322/IJSRP.12.08.2022.p12855.
Widiatedja IGNP. Fragmented Approach to spatial management in Indonesia: When it will be ended? vol. 83. 2021. https://doi.org/10.24843/KP.2021.v43.i02.p03.
Allam Z, Jones DS. The potential of blockchain within air rights development as a prevention measure against urban sprawl. vol. 3. MDPI; 2019. https://doi.org/10.3390/urbansci3010038.
Perperidou D-G, Siori S, Doxobolis V, Lampropoulou F, Katsios I. Transfer of development rights and cultural heritage preservation: A case study at Athens historic triangle, Greece. vol. 4. MDPI; 2021. https://doi.org/10.3390/heritage4040245.
Linkous ER. Transfer of development rights in theory and practice: The restructuring of TDR to incentivize development. vol. 51. Elsevier; 2016. https://doi.org/10.1016/j.landusepol.2015.10.031.
Salim HM, Sujadi S. PENGUASAAN DAN PENGGUNAAN RUANG ATAS TANAH DALAM HUKUM INDONESIA n.d.
Leitner H, Sheppard E. From Kampungs to Condos? Contested accumulations through displacement in Jakarta. Environment and Planning A: Economy and Space 2018;50:437–56. https://doi.org/10.1177/0308518X17709279.
Pei H. Review of Transferable Development Rights (TDR)-An Innovative Planning Technique: Schemes Difference in and Beyond China. 2023 2nd International Conference on Urban Planning and Regional Economy (UPRE 2023), Atlantis Press; 2023, p. 178–85.
Marzuki PM. Penelitian Hukum Edisi Revisi 2005. Kencana, Jakarta 2014.
Mukti Fajar ND, Achmad Y. Dualisme penelitian hukum: normatif & empiris. Pustaka pelajar; 2010.
Al-Fatih S. Perkembangan Metode Penelitian Hukum di Indonesia. UMMPress; 2023.
Dobinson I, Johns F. Legal Research as Qualitative Research. In: McConville M, Chui WH (Eric), editors. Research Methods for Law, Edinburgh University Press; 2017, p. 18–47. https://doi.org/10.1515/9781474404259-005.
Susanti DO, Sh M, Efendi A, SH M. Penelitian Hukum: Legal Research. Sinar Grafika; 2022.
Järvinen M, Mik-Meyer N. Qualitative analysis: Eight approaches for the social sciences. Sage; 2020.
Hadisusilo P. RUANG UDARA DI ATAS ALUR LAUT KEPULAUAN INDONESIA (ALKI): SEBUAH TINJAUAN HUKUM. Masalah-Masalah Hukum n.d.;51:49–60. https://doi.org/10.14710/mmh.51.1.2022.49-60.
Leipertz RC. Sovereignty beyond Borders: Unraveling the Enigma of Airspace and Outer Space Interplay. International Journal of Law and Policy 2024;2:1–15. https://doi.org/10.59022/ijlp.201.
Fisher B, Leite F, Weber R. Value Creation, Capture, and Destruction: Hudson Yards and the False Promise of Self-Financing Mega-Projects. Journal of the American Planning Association 2023;89:134–45. https://doi.org/10.1080/01944363.2022.2026808.
Nelson AC, Pruetz R, Woodruff D. The TDR handbook: designing and implementing transfer of development rights programs. Island Press; 2013.
Suhattanto MA. The Challenges of Indonesia Land Administration System in Upper and Lower Ground Spatial Planning 2017.
Santoso PR, Fatma D, Setiawan JP. Regulating compact urbanity in Jakarta. Council on Tall Buildings and Urban Habitat; 2021.
Mungkasa O. Pengembangan Hunian Vertikal Perkotaan bagi Masyarakat Berpendapatan Rendah (MBR). Beragam Upaya, Pembelajaran dan Rekomendasi1 n.d.
Rahadyan GA, Iskandar DA. Inisiasi model konseptual Transfer of Development Rights (TDR) bagi kawasan cagar budaya. vol. 17. 2022. https://doi.org/10.20961/region.v17i2.53339.