Ready to Move vs Under Construction: A Bengaluru Buyer's Guide

Two Bengaluru buyers in 2026 looked at flats of the same size in the same neighbourhood. One was ready to move in, the other was two years from completion and about 12 percent cheaper on paper, which looked like an easy saving at first glance. The catch the second buyer nearly missed was that the under construction flat also carried 5 percent GST that the ready flat did not, and a real risk that possession could slip well beyond the promised date. The choice between ready to move and under construction is one of the biggest a buyer makes, and it turns on cost, risk and how much you can see before you pay. Neither option is universally right, and the sensible answer depends on your own finances and how much uncertainty you can live with.

The short answer. A ready to move flat with an occupancy certificate carries no GST and lets you see exactly what you are buying, while an under construction flat attracts 5 percent GST, or 1 percent for affordable housing, with no input credit, and carries the risk of delay. The trade off: under construction can have a lower headline price and staged payments, but you pay GST and take on possession risk, whereas ready to move costs more upfront yet removes the GST and the waiting.

What is the core difference for a buyer?

The core difference is timing: with a ready to move flat you buy a completed home you can occupy now, while with an under construction flat you buy a promise to deliver one in the future. That single distinction drives almost everything else that matters to your wallet and your risk. A completed flat with its occupancy certificate can be inspected, valued and moved into, and there is no uncertainty about whether or when it will be built. An under construction flat is usually cheaper at entry and lets you pay in stages as the work progresses, but you are trusting the builder to finish on time and to the promised standard. Understanding that you are choosing between certainty now and a promise for later is the foundation for weighing the cost and risk that follow, and it keeps you from being swayed by the headline price alone.

How does GST differ between the two?

The GST treatment is one of the clearest financial differences: an under construction flat attracts GST, while a ready to move flat with an occupancy certificate does not. An under construction residential flat is taxed at 5 percent, or 1 percent for affordable housing priced up to 45 lakh, and crucially there is no input tax credit for a residential buyer, so the GST is a straight, unrecoverable cost on top of the price. A ready to move flat that already has its occupancy or completion certificate before you buy is treated as the sale of a completed building, which falls outside the scope of GST under the tax law, so no GST is charged at all. On a one crore flat, 5 percent GST is 5 lakh rupees, which can offset a good part of, or in some cases all of, the lower headline price of an under construction unit. This is why comparing only the sticker prices of the two options can mislead you, and why the GST has to be built into any honest comparison. A buyer who compares a ready flat's price against an under construction price without adding the GST is not comparing like with like.

What are the risks of an under-construction flat?

The main risks of an under construction flat are delay, changes from what was promised, and the general uncertainty of buying something not yet built. Possession dates can slip, sometimes by years, which is costly if you are also paying rent while you wait for a home you have already committed to, and the finished flat may sometimes differ from the brochure in finish, layout or the amenities that were promised at the time of launch. There is also the risk, in the worst cases, of a project stalling altogether and tying up your money for years. The real estate law provides real protections here, including registration, staged payments and remedies if the builder delays, but protections are a way to recover after a problem, not a guarantee that nothing goes wrong. This does not make under construction a bad choice, since many buyers do very well by entering early in a well run project, but it does mean the lower price comes with a risk premium that you should recognise and, where possible, reduce through careful checks on the builder's track record, the project's approvals and its registration status.

What do you gain from a ready-to-move flat, and what do you pay for it?

A ready to move flat gives you certainty, immediate use and no GST, and you pay for that in a higher price. You can walk through the actual flat, check the construction quality, the natural light, the neighbours and the finishing, and you know the building exists and is legally fit to occupy, assuming the occupancy certificate is genuine and in order. There is no waiting and no risk of the project stalling midway, and you can begin living there, or earning rent, from the day you register the sale deed. The cost of all this certainty is usually a higher price than a comparable under construction unit, and sometimes a more limited choice of units in a completed project, since the popular flats often sell first. For many buyers, especially those who cannot risk a delay or who value seeing exactly what they are buying, that premium is well worth paying for the peace of mind it buys. The table below sets out the comparison.

How should I decide between the two?

You decide by comparing the true all in cost and matching the risk to your own situation, not by looking at the sticker price alone. The checklist below helps you make a fair comparison.

1. Add the GST to the under construction price so you are comparing true costs, not just headline prices.
2. Factor in the rent you would keep paying while waiting for an under construction flat to be ready.
3. Check the builder's track record and the project approvals before trusting a delivery date.
4. For a ready flat, verify the occupancy certificate so you confirm the no GST position.
5. Weigh how much a possible delay would actually hurt you, given your current housing and financial situation.
6. Inspect a ready flat in person before deciding, and for an under construction one rely on the approvals, the agreement and the builder's record.
7. Decide consciously between certainty now and a lower entry price that comes with future risk.

Does under-construction offer any advantages worth the risk?

Yes, an under construction flat can offer genuine advantages beyond a lower entry price, which is why many buyers still choose it with eyes open. The staged, construction linked payments can ease your cash flow, since you pay in step with progress rather than in one large sum, which suits buyers who are building up their funds, timing a loan disbursement, or selling an existing home to fund the new one. Early in a launch you also often get a wider choice of units, floors and layouts than in a completed project where the best flats may already be gone, and there can be more room to request minor changes before finishing. The real estate law has also made under construction buying safer than it once was, with registration, staged payments and disclosure requirements. None of this removes the delay risk, but it means the decision is a real trade off rather than a simple case of one option always being better. Match the choice to your own timeline, cash flow and appetite for waiting, rather than to what happens to be marketed most aggressively to you.

Frequently asked questions

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

No, a ready to move flat that already has its occupancy or completion certificate is treated as the sale of a completed building, which falls outside GST, so no GST is charged. An under construction flat, by contrast, attracts 5 percent GST, or 1 percent for affordable housing, with no input credit. The property's status when you pay decides this.

Is an under-construction flat always cheaper?

Not once you count everything. An under construction flat often has a lower headline price and staged payments, but it also carries GST of 5 percent, or 1 percent for affordable housing, and possible rent while you wait. Add those in, and the gap to a ready flat narrows. Compare the true all in cost, not the sticker price.

What is the biggest risk of buying under construction?

The biggest risk is delay, or in the worst cases a project stalling, which is costly if you are paying rent while you wait. The finished flat may also differ from the brochure. The real estate law gives you protections and remedies, but these help you recover after a problem rather than guarantee smooth delivery, so check the builder carefully.

How do I compare the two options fairly?

Compare the true all in cost, adding GST to the under construction price and factoring in any rent paid while waiting, then match the risk to your situation. Verify the occupancy certificate on a ready flat, and the approvals and builder record on an under construction one. Decide consciously between certainty now and a lower entry price with future risk.

For related reading, see our guide on the occupancy certificate, which decides the GST position, and our explainer on GST on under construction versus ready flats. GST rules sit under the tax law, which you can read on the official CBIC website. If you are comparing options, a project such as My Home at Konadasapura, Budigere Cross shows how stage of construction shapes both price and risk.

Last updated 2026-09-18. PropNewz Team.