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Under-construction vs ready-to-move flats

Price, risk, tax and timing compared, with a simple way to decide.

By PropHunting Editorial · Updated 2026-10-18

Under-construction flats

  • Pros: usually a lower entry price, staged payments, and a wider choice of floors and layouts.
  • Cons: possession risk, rent you keep paying while you wait, and what you see may be a model flat or drawings.
  • Protection: in a RERA-registered project, the Act provides for interest where possession is delayed beyond the agreed date, and for a refund in some cases. Verify the project first with our RERA guide.

Ready-to-move flats

  • Pros: you see exactly what you buy, you can move in quickly, and you can talk to residents.
  • Cons: usually a higher price and fewer choices.
  • Check: the completion or occupancy certificate and the society's maintenance record.

Tax difference

GST generally applies to under-construction property and generally does not apply to a flat that has received its completion certificate. Rates and conditions change, so confirm the current position with a chartered accountant before you decide.

How to choose

  1. If you need a home within a year, shortlist ready flats.
  2. If you can wait and want a lower price, shortlist verified under-construction projects with a good delivery record.
  3. Either way, complete the buying checklist and read the agreement line by line.

Frequently asked questions

Is it safer to buy a ready-to-move flat?

It removes delivery risk because you can inspect the flat, but you still need to check title, the completion certificate and dues.

Is GST charged on ready-to-move flats?

Generally not on a flat that already has a completion certificate. Confirm the current rule with a chartered accountant.

What if an under-construction project is delayed?

In a RERA-registered project, the Act provides for interest on delay or refund in certain cases. Keep the agreement and receipts and approach the state authority if needed.