What Is Ground Coverage? Rules, Calculation & Key Considerations

What Is Ground Coverage in Building Construction?

Ground coverage is the area of a building, measured at ground level. The percentage of ground coverage is calculated as follows, for example if a building is on a plot of 200 sq. m of which 100 sq. m is occupied by the building then the ground coverage percentage is 50%. Before you even begin construction, always check the local building rules for the amount of ground coverage allowed.

How to Calculate Ground Coverage?

The formula to calculate the building ground coverage is simple.

Formula:

GC (%) = Ground Level Cover (GLC) Area / Total Plot Area (TPA) × 100

Example:

Plot area = 250 sq. m

Ground level covered area = 150 square meters

Calculation:

150 ÷ 250 × 100 = 60%

Thus the percentage of ground cover is 60%.

This means 60% of the plot is included in the building, and 40% of the plot is outside the building footprint on the ground level.

What Is Included in Ground Coverage?

Local building bye-laws may vary the exact calculation. Generally, the coverage of structures at ground level is concerned.

1. Main Building Footprint

The principal house footprint is typically the biggest contributor to house ground coverage.

It may include:

• Bedrooms

• Living areas

• Kitchen

• Bathrooms

• Staircase areas within the building

• Other enclosed rooms on the ground floor.

2. Covered Ground-Floor Areas

Depending on the local rules, covered spaces connected to the main building can also contribute to the ground coverage calculation.

These can include:

• Covered verandahs

• Porches

• Covered entrance areas

• Ground-floor extensions

• Covered utility areas

3. Other Covered Structures

Covered outbuildings within the plot also might count.

Examples include:

• Guard rooms

• Servant rooms

• Covered garages

• Store rooms

• Other permanent covered structures

It is always better to double-check with the local government, as some projections, open layouts, parking bays and utility items may be treated differently.

Read More: What is Carpet Area, Built-up Area & Super Built-up Area?

Ground Coverage Rules in India

• Ground coverage varies from region to region in India.

• Local authorities impose limits by means of building bye-laws.

• Rules are dependent on plot size, cities, land use class, road width, and building type.

• For example, Delhi has various cover percentages for various plot sizes.

• Always look at the local ground coverage rules for the area where construction is to take place.

What Factors Affect Permissible Ground Coverage?

The quantity of coverage of your plot can hinge on several factors.

• Plot size: Different limits of coverage for small and large plots.

• Land use: Residential, commercial, institutional, and industrial plots may have separate rules.

• Local authority: each development authority or municipality may have its own standards.

• Setbacks: Areas required for setbacks on the front, rear, and sides limit construction.

• Road width: Some development controls depend on the width of the road facing the plot.

• Building type: Different norms may apply for individual houses as well as group housing projects.

• Local development plan: Local master planning and zoning restrictions may limit construction.

How Ground Coverage Affects House Planning

House ground coverage has a direct impact on the use of space on the ground floor. The more coverage allowed, the more bedrooms, living area, parking, or ground space you could consider.

If the coverage is low, you might need:

• Maintain larger openings.

• Make more effective room plans.

• Add extra floors as allowed.

• Modifications in parking and landscaping.

• Carefully apply setback requirements.

• The ground coverage should be verified prior to finalization of the floor plan.

It is different from FAR, too. Coverage refers to the land area occupied by the building above the ground level and FAR is to the total floor area that can be built over the permitted floors.

Read More: FAR vs FSI in Home Construction: Meaning, Calculation & Importance.

How to Check Ground Coverage Rules for Your Plot

Prior to design or construction:

• Check your plot's exact area.

• Verify Land-Use Type

• Check out your local municipality or development's website.

• Check the latest building bye-laws or development control regulations.

• Determine the allowable ground area for your size and use.

• Review setback, FAR, building height, and parking guidelines.

• Have plans checked by a licensed architect or qualified professional before they are submitted for the calculation to be verified.

Do not assume that these are the rules being used by nearby houses – rules and approvals vary.

Conclusion

Ground coverage is something that can be helpful in the planning of your house. Check your ground coverage calculation to see how much you can construct in your plot. Always compare it with the permissible ground coverage set by local authorities to avoid approval or construction issues.

Why Housegyan?

Housegyan makes it easier to understand home construction, planning, design, and building rules. When planning plots or constructing buildings, Housegyan assists the homeowner in making informed choices and in better communication with the architect and contractor.

FAQs

1. What is ground coverage in building construction?

Ground coverage represents the area of a plot that is covered by a building's ground level.

2. How is ground coverage calculated?

Coverage (%) = ground area covered ÷ total plot area × 100.

3. What is the difference between ground coverage and FAR?

The ground coverage is the projection at the ground level of the building. FAR is the total allowable floor area as measured against floors.

4. Is ground coverage the same as built-up area?

No. Ground coverage is the area that is covered at the ground level, while built-up area includes any canopies of various storeys.

5. What factors determine permissible ground coverage?

Ground coverage may vary based on plot size, land use, setback, road width, building type, and local building rules.

6. How can I check ground coverage rules for my plot?

Read up on the available regulations of your municipal corporation or development authority before you construct anything, and check with your qualified architect.