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The New Delhi Municipal Council (NDMC) is unlikely to introduce the Unit Area Method (UAM) for property tax assessment during the current financial year, despite earlier preparations to shift towards a uniform system. The proposed reform is intended to replace the remaining use of the older rateable value method and bring greater consistency to property tax assessment across the NDMC area. The delay follows administrative and implementation-related issues that have held up the rollout. The reform has been under consideration as part of amendments to the NDMC Act, 1994, and was expected to rationalise the existing tax structure. Earlier proposals indicated that the revised system could reduce the tax burden for some properties, particularly older and self-occupied premises, while bringing the remaining properties under a common assessment framework.
The New Delhi Municipal Council (NDMC) is unlikely to roll out the Unit Area Method (UAM) for property tax assessment during the current financial year, delaying a reform intended to establish a uniform system across its jurisdiction. The proposed transition remains held up by administrative and implementation-related requirements, with the civic body yet to complete the groundwork needed for the new assessment mechanism.
The UAM calculates property tax according to the area of a property and prescribed unit-area values, rather than relying on the existing rateable value-based assessment. The proposed change is intended to standardise taxation and address differences arising from the parallel systems currently used for property assessment within the NDMC area.
The reform had gained momentum earlier this year after amendments to the NDMC Act, 1994, were proposed under the Jan Vishwas framework. The council subsequently moved towards adopting a common unit-area system, with officials indicating that the necessary bye-laws and technical preparations had been undertaken. However, the latest developments indicate that implementation will not take place within the current fiscal year.
Around 7% of properties in the NDMC area continue to be assessed under the older rateable value method, while the remaining properties are already covered by the Unit Area Method. The proposed reform would therefore bring properties still covered by the older mechanism under the same assessment framework, ending the parallel taxation structure.
The proposed system has also been associated with a restructuring of property tax rates. Earlier plans indicated that the highest property tax slab could be reduced from 30% to 20%. NDMC officials had said the move would enable wider rationalisation of the tax structure while providing greater uniformity in assessment.
The potential impact on taxpayers has been a significant part of the reform discussion. Earlier assessments indicated that older and self-occupied properties could see reductions in their property tax liabilities under the proposed framework. One earlier proposal suggested that the tax burden for some properties could decline by between 30% and 50%, while separate estimates indicated possible savings of 10% to 40%, depending on the property and its existing assessment.
The delay comes despite NDMC having already taken steps towards the transition. The council had previously indicated that it had finalised the required bye-laws and completed technical preparations, with implementation expected within weeks. The latest position, however, points to further administrative and structural work before the system can be operationalised.
For property owners, the existing assessment framework will therefore continue for the current financial year unless the civic body advances the reform earlier than presently indicated. NDMC had also retained existing property tax rates for 2026-27, while offering taxpayers a 10% rebate for payments made by June 30.
The proposed UAM remains a significant property-tax reform for the council because it seeks to establish a common assessment basis across its jurisdiction. However, the latest delay means the transition to a fully uniform system will take longer than previously expected, leaving the existing dual assessment structure in place for the time being.