Buying under construction can be the smartest way to enter a project: lower entry prices, a wider choice of units, and time to arrange finances. It also carries the risks a finished flat does not, because you are paying for something that does not yet exist. The difference between a good under-construction buy and a painful one usually shows up as red flags you could have seen early.

None of the signs below is automatically fatal on its own. Several of them together, or any of the legal ones, is a reason to slow down, ask hard questions, and be willing to walk away.

Legal and approval red flags

  • No RERA registration, or a number that does not match the project on the state portal.
  • Approvals that are pending, partial or inconsistent with what is actually being constructed.
  • Unclear or disputed land title, or a refusal to share title documents for legal review.
  • Pressure to pay large sums before an agreement to sell is signed and registered.
  • Marketing of a project phase or tower that is not yet approved or registered.

Payment and pricing red flags

How a builder wants to be paid tells you a great deal. A genuine construction-linked plan ties your instalments to verifiable stages of work. Be cautious when the schedule is heavily front-loaded, demanding a large share of the price long before matching construction has happened.

  • Front-loaded payment schedules that collect most of the money before real progress.
  • Deep, urgent discounts that suggest the builder is desperate for cash flow.
  • Cash components or off-record demands outside the registered agreement.
  • Vague or shifting cost heads, with charges that appear only after you commit.

Construction and delivery red flags

Visit the site, more than once, and at different times. Slow or stalled work, idle equipment and a thin labour presence over weeks can indicate funding trouble. Compare the visible progress against the stage the payment schedule claims you are paying for.

A builder whose other current sites are also stalled is showing you a pattern. One delayed project can be bad luck; several at once is usually a cash-flow problem.

Behavioural red flags

  • High-pressure, now-or-never sales tactics and refusal to give you time to verify.
  • Reluctance to put commitments about specifications, timelines or amenities in writing.
  • Evasive or inconsistent answers about approvals, title or past delivery.
  • A poor track record of after-possession support in the builder's earlier projects.

How to protect yourself

Insist that every material promise, on carpet area, specification, amenities and possession date, is captured in the registered agreement, not left to a brochure. Prefer builders with completed projects you can inspect and construction-linked payments tied to real milestones.

Keep a paper trail of every communication and payment. If something feels rushed or opaque, treat that feeling as data, not anxiety.

The honest takeaway

Under-construction buying rewards patience and punishes haste. The buyers who get hurt are almost never the ones who asked too many questions; they are the ones who felt uneasy and signed anyway.

This article is general guidance, not legal advice. Verify RERA status, approvals and title through your own lawyer, and confirm current rules for your city before committing.