G.O. (Ms) No.147, Variations to Development Regulations of the Second Master Plan for Chennai Metropolitan Area, 2026
The Housing and Urban Development (UD1) Department issued G.O. (Ms) No.147 on 26 October 2018 to revise floor space index limits and Premium FSI provisions under Development Regulations 25, 26, 27, 28 and 36 of the Second Master Plan for Chennai Metropolitan Area, 2026. The changes took effect on 1 October 2018, but do not apply in specified ecologically sensitive areas.
The Housing and Urban Development (UD1) Department issued G.O. (Ms) No.147 on 26 October 2018 to vary Development Regulations 25, 26, 27, 28 and 36 of the Second Master Plan for Chennai Metropolitan Area, 2026. The variations increase or replace specified floor space index limits and revise the availability and charges for Premium FSI, with effect from 1 October 2018.
What the order governs
G.O. (Ms) No.147 applies to development regulation provisions for the Chennai Metropolitan Area. The Government accepted a proposal from the Principal Secretary and Member Secretary of the Chennai Metropolitan Development Authority, with modifications based on land availability, existing FSI norms, comparisons with other cities, city form and housing for low income people.
The Chennai Metropolitan Development Authority was directed to make the required variations and take further action.
Main FSI changes
G.O. (Ms) No.147 substitutes specified parts of the Development Regulations as follows:
- Development Regulation 25(1)E shows maximum FSI as 2.0 in each of the four entries printed in the replacement row.
- Development Regulation 26 Table A states maximum FSI as 12.0.
- Development Regulation 27(3)D sets maximum FSI at 2.0 for residential development and 1.5 for other development.
- Development Regulation 28(2)D prints residential maximum FSI values of 2.0, 2.0, 3.25, 3.25 and 3.25. For other development, it prints 1.5, 1.75, 2.50, 2.25 and 2.00.
Premium FSI
Development Regulation 36 allows the Chennai Metropolitan Development Authority to permit Premium FSI over the normally allowable FSI, subject to a maximum of 1.62. The road width based limits are:
- Roads 18 metres and above, 50% of normally allowable FSI.
- Roads from 12 metres to below 18 metres, 40%.
- Roads from 9 metres to below 12 metres, 30%.
Premium FSI charges are 50% of guideline value for excess FSI area in Special Buildings and 40% for excess FSI area in Multi-storeyed Buildings. Where a site has multiple survey numbers, the maximum guideline value must be used. Collections are to be placed in a Government account for infrastructure development in the relevant areas, as decided by the Government.
Areas excluded
The increased FSI and Premium FSI do not apply in the Aquifer Recharge Area, Redhills catchment area, Coastal Regulation Zone, or any other ecologically sensitive area notified by the Government.
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Common questions
When did the revised FSI and Premium FSI provisions take effect?
G.O. (Ms) No.147 states that the revised FSI and Premium FSI provisions came into force on 1 October 2018.
Can Premium FSI be obtained for a property on a road less than 9 metres wide?
The order lists Premium FSI parameters only for roads that are 9 metres wide or wider. It does not provide a Premium FSI percentage for roads below 9 metres.
How is the Premium FSI charge calculated if the site has several survey numbers?
The maximum guideline value among the survey numbers must be used. The charge is 50% of guideline value for Special Buildings and 40% for Multi-storeyed Buildings, applied to the excess FSI area.
Do the increased FSI limits apply in the Redhills catchment area or Coastal Regulation Zone?
No. The increased FSI and Premium FSI are not applicable in the Redhills catchment area, Coastal Regulation Zone, Aquifer Recharge Area or other ecologically sensitive areas notified by the Government.
