18% GST on Your Flat? 5 Builder Facts to Know
Buying a flat in a non-RERA registered building or a small joint development project? GST rules are different — and often higher. Here's what every homebuyer must understand before signing any agreement.
18% GST on a ₹50L flat adds ₹9L extra — that's 3 years of chai money gone.
Your under-construction flat may carry this hidden tax burden
Key Takeaways
Ask your builder for their RERA registration certificate before paying any booking amount — this single document determines whether you pay 5% or 18% GST.
Check your sale agreement for a GST clause and verify the rate quoted matches the project's RERA status; dispute any overcharging in writing before registration.
If buying in a plotted or micro-JDA development, consult a GST-literate chartered accountant to understand the full tax embedded in your cost sheet before you commit.
Buying a flat in a non-RERA registered building or a small joint development project? GST rules are different — and often higher. Here's what every homebuyer must understand before signing any agreement.
Here's what happened: Non-RERA registered construction projects do not qualify for the concessional 5% GST rate, leaving buyers exposed to higher 18% GST on the construction service component.. Micro joint development agreements between landowners and builders trigger GST on the transfer of development rights, a cost that is typically built into the final sale price for buyers.. Builders on non-RERA projects must source 80% of inputs from GST-registered suppliers; shortfalls trigger Reverse Charge Mechanism liability, including 28% on cement from unregistered dealers..
What you should do: Ask your builder for their RERA registration certificate before paying any booking amount — this single document determines whether you pay 5% or 18% GST.. Check your sale agreement for a GST clause and verify the rate quoted matches the project's RERA status; dispute any overcharging in writing before registration.. If buying in a plotted or micro-JDA development, consult a GST-literate chartered accountant to understand the full tax embedded in your cost sheet before you commit..
Input Tax Credit (ITC) is NOT available to homebuyers on residential property — so the GST you pay on your flat is a pure cost with zero offset. Negotiate the all-inclusive price, not just the base rate.
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- [1]“Goods and Services Tax | GST Implications for Non-RERA Buildings and Micro-JDAs” taxguruin · 11 Oct 2026
This article is reported by GoCredit's Editorial Team based on the source above. GoCredit synthesises, contextualises, and adds India-borrower-relevant analysis. We are not the original publisher.
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