GST on Under-Construction Property 2026: Rates & Input Credit

UrbanYardz Editorial · Tax · 2026-06-19

GST on under construction property in 2026: current rates, affordable vs premium slabs, input tax credit rules, and what buyers actually pay. Verify before you buy.

Buying a home that is still being built? Then GST on under construction property is a line item you cannot ignore. Unlike a ready-to-move-in flat, an under-construction unit is treated as a supply of construction services, so Goods and Services Tax applies on top of your base price. This guide explains the 2026 rates, the affordable-vs-premium distinction, why input tax credit largely disappeared after 2019, and what you actually end up paying. Treat the numbers here as current-as-of-2026 ranges and confirm the exact figures with your builder and CA before signing.

When Does GST Apply (and When It Does Not)?

The single most important rule: GST applies only to under-construction property. If the developer has received the Completion Certificate (CC) or Occupancy Certificate (OC) before you book, the transaction is a sale of immovable property — outside the scope of GST entirely.

This is why many buyers chasing zero-GST homes look specifically for OC-received inventory. The trade-off is usually price: under-construction stock is often cheaper at booking, even after GST.

GST Rates on Under-Construction Property in 2026

Since the GST Council's April 2019 overhaul, residential real estate moved to lower rates without input tax credit (ITC). As of 2026, the rates commonly applied are:

These rates are charged on the construction value after the standard land deduction (see below). Eligibility for the 1% affordable rate depends on carpet-area and value thresholds defined under the scheme — so do not assume the lower rate applies. Verify the rate written into your agreement with your CA, as the precise percentages and thresholds are subject to GST Council notifications that can change.

To model how these slabs hit your total outflow, run your numbers through the UrbanYardz GST calculator before you commit to a booking.

Affordable vs Premium: Why the Definition Matters

"Affordable housing" under GST is a defined category, not a marketing label. Broadly, a unit must fall within a carpet-area ceiling (typically lower for metro cities than non-metros) and a value cap. Meet both and you get the ~1% rate; miss either and the ~5% rate kicks in. Because the saving is roughly 4 percentage points of the construction value, it is worth confirming the classification in writing — the exact limits are set by notification and should be checked for 2026.

The Land Deduction: GST Is Not on the Whole Price

GST is a tax on the supply of construction services, not on land. Indian law therefore allows a standard deduction towards land value — commonly one-third of the total consideration — so GST is levied only on the remaining construction component.

For example, on a notional ₹1 crore agreement value, roughly ₹33 lakh is deemed land and excluded; GST applies to the ~₹67 lakh construction portion. Confirm the exact deduction your builder has used, because in projects where the actual land value is clearly higher, courts and rulings have allowed deduction of the genuine land value instead of the flat one-third. Your CA can advise whether you are being charged correctly.

Why Input Tax Credit Largely Disappeared

Before April 2019, residential projects attracted 8%/12% with ITC, letting builders offset the GST they paid on cement, steel, and services against the GST collected from buyers. The 2019 reform replaced this with the lower 1%/5% rates but removed ITC for residential units.

What this means for you as a buyer:

Builders cannot claim or pass on input credit on standard residential flats, so do not expect a "GST discount" from ITC.
ITC continues to be relevant for commercial units and for the minority of projects still operating under the older with-ITC structure.
Some legacy/ongoing projects were given a one-time option to stay on the old scheme — if you bought into such a project, the rate and credit treatment may differ. Check your specific project's GST election.

The practical upshot: the headline rate you pay (1% or 5%) is broadly the all-in GST cost — there is no hidden credit to chase back.

What GST Does NOT Cover

GST is only one part of your acquisition cost. Keep these separate in your budget:

Stamp duty and registration — state levies on the sale deed, ranging roughly 5–8% (stamp duty) plus ~1% registration depending on the state and buyer category. These are *not* part of the GST base. Confirm your state's current rate with the sub-registrar or your lawyer.
Maintenance deposits, club/amenity charges — may carry their own GST treatment; ask for the break-up.
Home-loan processing fees — attract GST as a financial service, billed by your lender, not the builder.

When you compare two projects, normalise for GST, stamp duty, and registration together — a 1% GST unit in a high-stamp-duty state can still cost more all-in than a 5% unit elsewhere. The UrbanYardz GST calculator helps you separate the construction-linked GST from these state charges so the comparison is apples-to-apples.

A Quick Worked Example

Assume a non-affordable under-construction flat with an agreement value of ₹80 lakh:

1. Land deduction (one-third): ~₹26.7 lakh excluded. 2. Construction value: ~₹53.3 lakh. 3. GST at 5% on construction value: ~₹2.67 lakh. 4. Add stamp duty and registration separately, per your state.

If the same flat qualified as affordable (1%), the GST would fall to roughly ₹53,000 — a meaningful difference that depends entirely on the carpet-area and value classification. These are illustrative figures; plug your actual numbers into the calculator and confirm the applicable rate.

Frequently Asked Questions

Do I pay GST on a ready-to-move-in flat?

No. GST applies only to under-construction property sold before the developer receives the completion certificate (CC) or occupancy certificate (OC). A ready flat with a valid CC/OC is treated as an immovable property sale and attracts no GST — only stamp duty and registration.

What is the GST rate on under-construction property in 2026?

As of 2026, the widely applied rates under the post-2019 scheme are 1% (without input tax credit) for affordable housing and 5% (without ITC) for other residential property. Confirm the exact rate for your project with the builder and your CA, as eligibility depends on the carpet area and value thresholds.

Can the builder claim input tax credit and pass it to me?

Under the 1%/5% scheme that most residential projects follow, input tax credit (ITC) is not available, so builders cannot pass it on. ITC generally survives only for commercial units and the older 8%/12%-with-ITC option where it applied.

Is GST charged on the land cost?

No GST is charged on the land value. The law provides a standard deduction (commonly one-third of the total consideration) towards land, and GST applies to the construction portion. Verify how your builder has computed this on the agreement.

Do I pay GST on stamp duty and registration charges?

No. Stamp duty and registration are state levies, separate from GST, and are not part of the GST base. You pay GST to the builder on the construction value and stamp duty/registration to the state on the sale deed.

Does the affordable housing GST rate apply automatically?

No. Your unit must meet the affordable-housing definition (carpet area and value limits set under the scheme). If it does not qualify, the standard residential rate applies. Always confirm eligibility in writing before signing.

Understanding GST on under-construction property can save you lakhs and protect you from over-charging. Before you book, estimate your total tax outflow with the UrbanYardz GST calculator, then explore verified under-construction and ready-to-move-in homes on UrbanYardz — India's AI-powered property search. Confirm every statutory figure with your CA before signing; tax rules and rates can change by GST Council notification.