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LoansJagat Team

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25 Sep 2025

GST on Construction – Updated Rates & Complete Guide

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Key Takeaways
 

  • GST applies to all building, repair, and maintenance services.
     
  • Using the correct HSN code ensures accurate taxation.
     
  • Input tax credit helps reduce the overall GST liability in construction projects.


GST on construction applies to all services related to building, repairing, and maintaining residential, commercial, and industrial structures. It ensures that tax is collected uniformly across various construction activities.

For example, Rajesh, a contractor, builds a small hostel and charges ₹50,00,000 for the project. Under GST on construction, he must apply the correct tax rate. That depends on whether the project is residential, commercial, or a government-aided building. If he fails to account for GST correctly, he could face penalties and interest.

In this blog, we will explore the different HSN codes for construction services. How GST on construction is applied in practical scenarios.

GST on Construction for Different Property Categories

The rationalisation of GST on construction materials by the GST Council is expected to provide relief to the real estate sector while maintaining stability in property taxation. GST on construction materials has been reduced. 

Rates applicable to different property categories remain unchanged. This ensures stability for both developers and homebuyers. It improves cost efficiency and project viability.

The table below highlights the applicable GST rates and their impact across different property and material categories:
 

Property/Material Type

GST Rate

Impact on Construction Costs / Developers

Notes

Affordable Housing

1%

Stable; no change in GST

Ensures stability for buyers and developers

Under-Construction Properties

5%

Stable; no change in GST

The status quo avoids confusion or purchase deferment

Completed Properties

Exempt

Stable; no change in GST

No additional tax burden for buyers

Cement (Construction Material)

(Reduced)10%

An estimated 3–3.5% saving on overall construction costs

Improves margins for developers

Marble, Granite & Related Inputs

Reduced

An estimated additional 0.5–1% savings

Supports cost efficiency in high-end projects

Overall Construction Costs

An estimated 3.5–4.5% reduction

Enhances project viability and potentially home affordability

 

The reduction in GST on construction materials is likely to improve developer margins, reduce project costs. And, if partially passed on, enhance homebuyer affordability. While the reforms are marginally positive for the housing sector. Their impact will vary across affordable, mid-income, and premium housing categories. And whether benefits are passed on to buyers remains to be seen.


Bonus Tip:  Keep detailed invoices for all construction materials, labour, and subcontracted services. This helps in correctly calculating GST on construction and claiming input tax credit without issues.

HSN Codes for Construction Services


The construction sector in India is a major contributor to the economy. It involves various specialised services. Businesses and contractors must comply with GST regulations. Understanding the HSN codes for construction is essential for accurate taxation. The following table lists key construction services with their respective HSN codes. It helps in the proper reporting of GST on construction services.
 

HSN Code

Description of Construction Service

995412

Construction services of other residential buildings. It includes old age homes, homeless shelters, hostels, and the like

995421

General construction services of highways, streets, roads, and railways. And airfield runways, bridges, and tunnels

995422

General construction services of harbours, waterways, dams, water mains, and lines. It also includes irrigation and other waterworks

995459

Services involving repair, alterations, additions, replacements, and maintenance of the constructions covered above.

995425

General construction services of mines and industrial plants

 


Using the right HSN codes helps apply GST on construction correctly. This avoids mistakes and fines. Whether you build houses or big factories, these codes make it clear how to follow the rules and keep accounts correct.


Bonus Tip: Always use the appropriate HSN code for each construction service. Correct classification ensures the right GST on construction is applied. It avoids penalties or disputes with tax authorities.

Impact of GST on Real Estate and Homebuyers

GST has brought more clarity and transparency to the real estate sector. For developers, it helps maintain cost efficiency and improves the financial viability of projects. For homebuyers, it reduces confusion over multiple taxes and offers stability in property prices. Lower GST on key construction materials further supports affordability by reducing overall project costs.

In short, GST ensures a balanced approach where developers can manage expenses effectively while homebuyers benefit from predictable and fair pricing.

Conclusion

GST on construction ensures that building, repair, and maintenance work is taxed in the right way. By using the correct HSN codes, builders and contractors can stay compliant with the law. Proper application of GST also helps avoid fines and penalties while keeping accounts transparent and organised.

Understanding these rules makes construction projects easier to handle. It brings clarity to costs, reduces unexpected expenses, and makes the overall process smoother and more predictable.

FAQ’s

What is GST on construction?
GST on construction is a Goods and Services Tax applied to activities like building new structures, repairing old ones, or carrying out maintenance work on houses, offices, and industrial spaces.
 

Who needs to pay GST on construction?
GST on construction is usually paid by builders, developers, and contractors who provide construction services. If their yearly income is above the government’s set limit, they must register and pay GST.
 

How is GST on construction calculated?
GST on construction is based on how much the work costs. For example, if a builder builds a hostel for ₹40 lakh, GST on construction is added depending on the type of building.
 

Do all construction services have the same GST rate?
No. The GST rate changes depending on the type of project. Affordable housing projects may have a reduced rate, while commercial buildings like offices, malls, or factories usually attract a higher rate. Choosing the right HSN code ensures correct taxation.
 

Can the input tax credit be claimed on GST on construction?
Yes. Businesses can get back some GST paid on materials or services. This makes GST on construction cheaper and easier to manage.

 

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