The document defines various terms related to building regulations and development controls in three categories: 1) Definitions of terms like building, building line, built-up area, floor area, ground coverage, margins, and more. 2) Regulations around permissible uses based on road width, building height, floor space index (FSI) for different zones. 3) Additional controls on aspects like road side margins, rear and side margins, parking requirements, and open space provisions.

1. General Development
Control Regulations (GDCR)
- Kruti Desai

2. Definitions
• Building means all types of permanent building, but structure of temporary
nature like tents, hut shall not be considered to be "buildings"
• Building Line: Means the control line up to which the plinth of a building
adjoining an existing, proposed or extended street may lawfully extend and
includes the lines described in any TP Schemes and/or Development Plan.
• Built-up Area: Means the areas covered by a building on all floors including the
cantilevered portions, if any, including walls and columns, but except the areas
specifically excluded under these Regulations.
• Super built-up area means the total area of the property, including the built-
up area, and common areas such as lifts, staircases, etc.
• Carpet Area Means the net area within a unit of a building excluding walls or
columns, service areas such as washrooms, kitchen and pantry, semi-open
spaces such as verandah or balcony, and staircase, lift, corridors or passages.
• Floor Area Means the net enclosed area of a floor in the building including
circulation spaces like lobby or corridors, service areas and semi-open spaces
such as verandah or balcony

3. Definitions
• Ground Coverage Means the ground area covered by a building
including cantilevered portion on any floor, excluding cut-out (open-
to-sky) if any.
• Margin means the space adjacent to boundary of Building-unit,
buildings, or common plot that should be kept fully open-to-sky. No
built-up area shall be permitted in marginal space except specifically
permitted under these Regulations.
• Road Side Margin Means the space provided from the roadside edge of
the Building-unit.
• Side Margin means the space provided from the sides of the Building-
unit.
• Rear Margin means the space provided from the rear edge of the
Building-unit.
• Means of Egress Means a continuous and unobstructed way of travel
from any point in a building or structure to a place of comparative
safety

4. Definitions
• Detached Dwelling Means a detached building with walls and roofs that are independent of any other building
and has open space on all sides.
• Semi-detached Dwelling Means a building with one or more sides attached with the wall and roof of another
building.
• Multi-storied Dwelling Means a building with two or more floors used for habitation of multiple families and/or
individuals such as apartments, flats, hostels, lodging and boarding
• Tenement Building Means a residential dwelling unit constructed in a detached or semi-detached manner. Each
dwelling unit in a tenement building is designed and constructed for separate entry with independent sanitary
provisions.
• Row House Means a residential building, often of similar or identical design, situated side by side and joined by
common walls.
• Township Means parcel of land owned by a Township Developer subject to Residential Township Act 2009 32 as
amended by time to time, subject to this regulation
• Service Apartment Means a type of furnished apartment including kitchen or cooking facility available for short
term or long-term stays, which provides amenities for daily use.
• Single Room Occupancy or SRO: A studio apartment, usually occurring with a block of many similar apartments,
intended for use as public housing. They may or may not have their own washing, laundry, and kitchen facilities.

5. Definitions
• Skip Floor A floor designated for holding occupants in a high-rise residential
buildings during fire calamities, till the time they are rescued. This floor
might include refuge area. Skip floor may be used as service areas excluding
habitable uses.
• Travel Distance Means the distance to be travelled by a user from any point
in a building to a protected escape route, external escape route or final exit.
• Stair Cabin or Stair Cover Means a structure with a covering roof over a
staircase and its landing built to enclose only the stairs for the purpose of
providing protection from the weather, and not to be used for human
habitation
• Mezzanine Floor Means an intermediate floor between two floors
overhanging or overlooking a floor beneath with a minimum clear height of
2.1 mts at the mezzanine level and the floor below.
• Porch Means a covered surface supported on pillars or otherwise for the
purpose of a pedestrian or vehicular approach to a building exclusive of
marginal space.
• Refuge Area Means an area where persons unable to use stairways can
remain temporarily and await instructions or assistance during emergency
evacuation situation.

6. Definitions
• HIGH-RISE BUILDING means a building having height more than 15.0 mt above the
plot level in case the building is proposed on stilts and more than 13.0 mts in case, the
building is proposed on solid plinth provided that the height of the plinth should not be
less than 0.45 mts. High rise building shall not be permitted under these conditions.
• In case of building for industrial purpose height of more than 13.0 mts may be
permitted if required for industrial purpose and approved by Factory Inspector.
• LOW RISE BUILDING means a building having height not more than 15.0 mts. Above
the plot level in case the building is proposed on stills and not more than 13.0 mts. In
case the building is proposed on solid plinth provided that the height of the plinth
should not be less than 0.45 mt.
• a. Balcony projection may be permitted up to maximum 12.0 mts width only within
3.0 mts or more wide margins.
• b. Balcony may be permitted on ground floor provided margins to be left area 3.0 mts

7. Floor Space Index (FSI) for AUDA &AMC
• Floor Space Index Means the quotient of the
ratio of the combined gross built-up area of all
floors, to the total area of the Building-unit.
Total built-up area of all floors
Floor Space Index = -----------------------------------------
Area of the Building-unit

8. USE PERMITTED IN EACH CATEGORY

9. USE PERMITTED IN EACH CATEGORY

10. USE PERMITTED IN EACH CATEGORY

11. USE PERMITTED IN EACH CATEGORY

12. Permissible Uses with respect to road width
1. Subject to other regulations, uses in a Building-unit shall be regulated according to the width of
the road on which it abuts as shown in table in next slide
2. The Industrial uses and Public Utility shall not be regulated on the basis of Road Width.
3. The extent of commercial (M1 & M2) uses in all Zones of D1 to D7 (A) and D7(B) category
except Commercial Zone (C1 to C4) shall be regulated according to the width of the road on
which it abuts.
4. All permissible non-residential uses in residential zones of whatever category may be
permitted on the ground floor or any other floor in a residential dwelling if provided with
separate means of access/staircase.
5. A part of residential building may be permitted for use as office in case of professional
requirements such as for advocates, doctors, architects, engineers, chartered accountants etc.
This is subject to a maximum 50 sq.mt and parking for this purpose shall be provided as per
commercial basis

13. Use control as per road width

14. Floor Space Index (F.S.I).
• Floor Space Index (F.S.I) for different categories: The maximum
permissible FSI, the chargeable FSI on a Building-unit for different
categories and different zones shall be regulated as per the tables 6.5
to 6.20 In the tables, wherever zones are not specified, it shall be
regulated to relevant provisions. In case of residential affordable
housing purposes, the rates for chargeable FSI shall be according to
its policies

15. Use control and F.S.I. : Category D1 AUDA.

16. Building Height with respect to road width

17. Road side margin
1. Road Side Margin in a Building-unit shall be regulated by the Road width it abuts on as
mentioned in the table in next slide
2. For Building-units with two or more abutting roads, the Road-side margin shall be applicable
on all such abutting sides as illustrated in the figure.
3. Road side margin as per the road width or margin as per building height whichever is higher
shall be applicable.

18. Road Side Margin as per Road width

19. Rear and Side Margins

20. Road Side Margin as per Plot size

21. Permissible uses in Margin
• For Dwelling 1 , 2 & 3 (Except Row house): parking garage, servant quarter, w.c. and bathroom
with maximum permissible ground coverage of 16.5 sq.mt.; pre-fab for security cabin including
toilet with maximum dimensions of 2 mts X 4 mts, with maximum height of 3.0mts; Surface water
tank up to 1.5 mts in height; Open staircase, cantilever staircase with maximum width of 1.00 mts
and landing space of maximum 2.00 mts in side or rear margins; Pedestrian access path, ramp
and stepped approach, electrical infrastructure such as substation, Transformer room, meter
room; underground water tank, Parking, weather sheds up to 0.60 mts, Porch having 4.5 mts
minimum height.

22. Width of the Internal Road based on the
length of Road

23. Parking
• Parking spaces for vehicles shall be provided within the Building-unit for every new Building and
/or extension in existing building constructed for the first use and /or when the use of old building
is changed to any of the uses mentioned in the table below:

24. Parking

25. Open-to-Sky Space:
• Open‐to‐sky space shall be provided for natural light and ventilation in conformity with the following
Regulations. The location and dimensions of the open space shall be based on the dimensions of the
Building‐unit and the proposed building height, whichever is higher shall be applicable.
1. For any Building having depth of 9.0 mts or more from its front open space, an open‐to‐sky space
with area of 5.6 sq.mts with no side less than 1.8 mts at plinth level shall be provided for every
9.0 mts depth. If the width of the Building is up to 4.5 mts, then the size of this open to sky space
shall be 3.0 sq.mts with no side less than 1.5 mts.
2. If the depth of the Building does not exceed 18mts and has openings at least on two sides over a
street or open to sky space of 2.4 mts or more in width, then above provision shall not be
applicable.
3. In case additional open‐to‐ sky space is provided beyond the minimum requirements, it shall be
counted towards the computation of the FSI.

26. Radius of road curvature based on Width of
the road