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Standard Dimension Handbook

Code-referenced dimension guide for Indian homes — every measurement traced to its source. MBBL 2016 · IS 2064 · NSDC · Harmonised Guidelines.

Most-Used Dimensions

750 mm

Passage Min

Walking clearance

2700–3000 mm

Ceiling Height

Min–ideal

900–1200 mm

Kitchen Aisle

Min–ideal

800–914 mm

Countertop Height

IS 2064–NSDC

700–800 mm

Bathroom Door

IS 2064 min

900×900 min

Shower Area

1200×1200 ideal

1500–2000 mm

Wheelchair Turn

Min–comfortable

900–1050 mm

Switch Board

Universal standard

Code Minimums

MBBL 2016 / NBC — regulatory baseline for all residential design

Habitable Room (plot ≤ 50 sqm)Compliance

MBBL 2016

Minimum

7.5 sqm / 2100 wide / 2750 ht

Ideal

9.5 sqm / 2400 wide / 2750 ht

Minimum area, width, and clear height for compliance

Habitable Room (plot > 50 sqm)

MBBL 2016

Minimum

9.5 sqm / 2400 wide / 2750 ht

Ideal

—

Applies to habitable rooms in plots above 50 sqm

Kitchen (plot ≤ 50 sqm)Compliance

MBBL 2016

Minimum

3.3 sqm / 1500 wide / 2750 ht

Ideal

4.5 sqm / 1500 wide

Kitchen (plot > 50 sqm)

MBBL 2016

Minimum

4.5 sqm / 1500 wide / 2750 ht

Ideal

—

Pantry (plot > 50 sqm)

MBBL 2016

Minimum

3.0 sqm / 1400 wide / 2750 ht

Ideal

—

Bathroom (plot ≤ 50 sqm)Compliance

MBBL 2016

Minimum

1.2 sqm / 1000 wide / 2200 ht

Ideal

1.8 sqm / 1200 wide

Bathroom (plot > 50 sqm)

MBBL 2016

Minimum

1.8 sqm / 1200 wide / 2200 ht

Ideal

—

WC (plot ≤ 50 sqm)Compliance

MBBL 2016

Minimum

1.0 sqm / 900 wide / 2200 ht

Ideal

1.1 sqm / 900 wide

Combined Bath + WC (plot ≤ 50 sqm)

MBBL 2016

Minimum

1.8 sqm / 1000 wide / 2200 ht

Ideal

2.8 sqm / 1200 wide

Combined Bath + WC (plot > 50 sqm)

MBBL 2016

Minimum

2.8 sqm / 1200 wide / 2200 ht

Ideal

—

Passage / Corridor WidthCritical

MBBL 2016

Minimum

1000 mm

Ideal

1200 mm

Max / Luxury

1800 (double-loaded) mm

1800 mm for double-loaded residential corridors

Habitable Room DoorCritical

MBBL 2016

Minimum

800 × 2000

Ideal

900 × 2200

Larger plot minimum; small-plot minimum is 800 mm width

Kitchen / Bath / WC Door

MBBL 2016

Minimum

750 × 2000

Ideal

800 × 2100

Stair Width

MBBL 2016

Minimum

1000 mm

Ideal

1200 mm

General residential minimum per MBBL 2016

Stair Tread / Riser

MBBL 2016

Minimum

250 tread / 190 riser

Ideal

280 tread / 175 riser

2200 mm minimum headroom above stairs

Plinth Height

MBBL 2016

Minimum

450 mm

Ideal

600 mm

Above average road / site level

Private Garage

MBBL 2016

Minimum

3000 × 6000

Ideal

3300 × 6600

Minimum clear internal size

Loft Area

MBBL 2016

Minimum

Max 25% of covered area

Ideal

—

Minimum 1750 mm clear between loft floor and ceiling above

Source References

All dimensions are sourced from official Indian codes and standards

MBBL

MOHUA / TCPO, Model Building Bye-Laws, 2016

IS2064

BIS, IS 2064:1993 — Code of Practice for Selection, Installation and Maintenance of Sanitary Appliances

NSDC

NSDC Cabinet Maker Modular Kitchen Participant Handbook

Ministry of Urban Development, Harmonised Guidelines and Space Standards for Barrier-Free Environment for Persons with Disabilities

NBC

MOHUA, General Building Requirements, National Building Code

Design Hierarchy — How to Apply These Dimensions

Code Minimum — Use for feasibility checks and regulatory compliance (MBBL / NBC). Non-negotiable.

Planning Rule — Use IS 2064 and NSDC values as practical execution dimensions for layout and furniture sizing.

Ideal / Ergonomic — Apply for premium and luxury projects where comfort and experience are the design intent.

Accessibility Overlay — Apply Harmonised Guidelines for ageing-in-place, multigenerational homes, injury recovery, or universal design briefs.

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