Builder Buyer Agreement Clauses Every Bengaluru Buyer Should Check Before Signing

A Bengaluru buyer booking an apartment in the busy launch season of mid 2026 is usually handed a thick agreement and asked to sign within days to hold the price. That window is exactly when the most important reading of the whole purchase gets skipped. The builder buyer agreement is the one document that binds the developer to a price, a carpet area, a delivery date, and a penalty if any of those slip, and in Karnataka it must follow the model form prescribed under the Real Estate Regulation and Development Act, 2016. Knowing which clauses to check, and which to push back on, is the difference between a contract that protects you and one that quietly protects only the builder.

The short answer. Before you sign a builder buyer agreement in Bengaluru, confirm the project carries a valid K-RERA registration number, that the price is quoted on carpet area and not super built up area, and that the possession date is a firm calendar date with a defined delay penalty. The trade-off is leverage. You have the most negotiating power before you pay the booking amount and almost none after, so the time to read every clause and ask for changes in writing is now, not at registration.

Why the builder buyer agreement matters more than the brochure

The brochure sells a lifestyle, the agreement sells you legal rights, and only one of them is enforceable. Under the Real Estate Regulation and Development Act, the agreement for sale must be registered once you have paid more than a defined small share of the price, and it must use the model clauses the state has notified, which fix the developer's obligations on area, timeline, quality, and refunds. A buyer who treats the agreement as a formality loses the protections the law was written to give. The amenities, the specifications, and the delivery commitments that a sales manager promises verbally mean nothing unless they appear in the agreement and its annexures, so the rule is simple, if it is not written into the agreement, it does not exist. Ask for the full set of annexures, the floor plan of your specific unit, the specification sheet listing fittings and finishes, the layout showing common areas, and the list of amenities with a committed delivery stage, because these annexures are where vague promises either become enforceable commitments or quietly disappear. A buyer who collects and initials every annexure has far more to stand on later than one who signed only the main body.

Which clauses decide your price and area

Start with how the price is built. The agreement should state the consideration against the carpet area as defined under the Act, which is the net usable floor area within the walls, not the super built up area that loads common spaces onto your bill. Check that the rate per square foot, the carpet area number, and the total price reconcile exactly, and that any preferential location charge, floor rise, parking, and clubhouse fee is itemised rather than buried in a lump sum. Confirm whether taxes such as the goods and services tax on an under construction flat are extra, and how future statutory increases are handled. Buyers who want the full distinction should read our explainer on RERA carpet area versus super built up area in Bengaluru, because a price quoted on the wrong area inflates what you pay for space you cannot use.

What the possession and delay clauses must say

The single most contested clause is the delivery date. The agreement should give a specific possession date, not a vague window tied to the start of construction or the receipt of approvals. Read the delay clause closely, because the law entitles an allottee to interest if the developer fails to hand over on time, and the agreement must spell out that remedy rather than dilute it. Watch for an asymmetric penalty, where the builder charges you a heavy interest rate on a late payment but offers you only a token amount per square foot if it delivers late. Push for parity. Also check the grace period the builder grants itself and the list of force majeure events, since an over broad force majeure clause can be used to excuse ordinary delays. These are the same protections buyers weigh when comparing an agreement for sale against the final sale deed. One more line to check is the clause on changes to the sanctioned plan, since the law restricts a developer from altering the layout or your unit without consent, and a loosely worded clause that lets the builder revise the plan at its discretion can change the very flat you booked. If the agreement allows alterations, make sure your written consent is required for anything that affects your unit, your floor, or the common areas you are paying for.

How do the payment schedule and exit clauses protect you

Insist on a construction linked payment plan, where each instalment falls due only when a defined stage of work is finished, rather than a time linked plan that takes your money on the calendar whether or not the slab is poured. A construction linked plan keeps your outflow tied to real progress and limits your exposure if the project stalls. Read the cancellation and refund clauses with equal care. Understand exactly what the builder may forfeit if you withdraw, how long a refund takes, and what your rights are if the builder cancels. A fair agreement caps forfeiture at a reasonable amount and sets a clear refund timeline. An unfair one lets the builder keep a large slice of your money while binding you to long delays, so this is a clause worth negotiating before you pay anything. Read the interest clause on your own instalments too, since some agreements charge a steep rate on a single late payment and even reserve a right to cancel and forfeit after a short default, which is a heavy penalty to accept without a matching obligation on the builder. Ask whether part payments and prepayment of instalments are allowed without penalty, and whether the booking amount itself is refundable if the project fails to obtain a key approval it has promised.

Key clauses to read and what to ask for

The table below distils the clauses that most often hurt buyers and the change to request in each.

You will not win every point, and a strong developer in a hot corridor has the leverage to refuse some. The value of asking is twofold, you fix the clauses that matter most, and you learn how a builder negotiates before you are locked in, which itself tells you something about how it will behave if the project runs late.

What to verify outside the agreement before you sign

The agreement is only as good as the project behind it. Independently confirm the K-RERA registration number on the state regulator's portal and match the project name, the promoter, and the approved plan to what the agreement claims. Check that the land title is clean and that the developer actually owns or has development rights over the land, since an agreement signed on disputed land is worth little. Verify the approved building plan, the commencement certificate, and whether the project is approved by lenders, because a bank refusing to fund a project is a warning a brochure will never print. Reading the registration filing yourself protects you, because the regulator's record is the one source the developer cannot edit, and it should match the agreement line for line on project name, tower, unit, and area.

1. Confirm the K-RERA registration number on the official portal and match it to the project and promoter.
2. Check the price is quoted on carpet area, and that every extra charge is itemised.
3. Insist on a firm calendar possession date and read the grace period and force majeure list.
4. Demand interest parity in the delay penalty so the builder is penalised as you would be.
5. Ask for a construction linked payment plan instead of a time linked one.
6. Read the cancellation clause and negotiate a capped forfeiture and a fixed refund timeline.
7. Get every verbal promise on amenities and specifications written into the agreement or its annexure.

Frequently asked questions

Is the builder buyer agreement the same as the sale deed?

No. The agreement for sale records the terms of your purchase while the flat is being built and is registered once you cross the threshold payment under the Act. The sale deed transfers ownership to you at the end, after possession. The agreement governs the journey, the sale deed completes it.

Can a builder in Bengaluru refuse to change any clause?

A builder can refuse, especially in a high demand corridor, but the model agreement under the Real Estate Regulation and Development Act fixes several protections that cannot be diluted, such as your right to delay interest. You always have the most leverage before paying the booking amount, so raise changes then and in writing.

Should the price be on carpet area or super built up area?

Under the Act, the project must disclose and sell on carpet area, the net usable area within your walls. A price quoted on super built up area loads common spaces onto your cost and inflates what you pay for usable space, so insist the agreement reconciles the rate, the carpet area, and the total price exactly.

What happens if the builder delays possession?

If the developer misses the agreed possession date, the law entitles you to interest for the delay, and a well drafted agreement states that remedy clearly. Watch for an asymmetric penalty that charges you a high rate for late payment but offers you only a token amount for a late handover, and negotiate for parity before signing.

Last updated 2026-06-14. PropNewz Team.