How to Read a Sale Agreement — Key Clauses Buyers Must Check

Real estate Karnataka
🏠 KARNATAKA REAL ESTATE GUIDE — SEPTEMBER 2026

How to Read a Sale Agreement — Key Clauses Buyers Must Check

Consumer protection information for Karnataka home buyers

📌 A sale agreement is the most critical legal document in any property transaction — it binds the buyer and seller before the final registration. Most buyers sign it without understanding the clauses, leaving themselves vulnerable to builder delays, hidden charges, and unfair penalties. This guide walks you through the key clauses every Karnataka home buyer must scrutinise before signing.

What Is a Sale Agreement and Why It Matters

A sale agreement (also called an Agreement to Sell or Agreement for Sale) is a contract executed between the buyer and the builder or seller before the actual sale deed is registered. It records the agreed price, payment schedule, possession date, penalties, and terms governing the transaction. Under the Real Estate (Regulation and Development) Act 2016, for projects registered with RERA Karnataka, this agreement must follow the prescribed format and cannot contain clauses that are prejudicial to the buyer's interests.

It is important to note that a sale agreement is not the same as the sale deed. The sale deed transfers ownership and must be registered at the Sub-Registrar's office. However, the sale agreement creates an enforceable legal obligation on both parties and is admissible as evidence in court. Buyers who sign a poorly drafted agreement often find they have little legal recourse when things go wrong.

Clause 1 — Carpet Area and Price Calculation

Under RERA, builders can only charge on the basis of carpet area — the net usable floor area within the walls of the apartment, excluding the thickness of inner walls. Buyers must verify that the agreement clearly states the carpet area in square feet or square metres and that the rate per square foot is applied to this figure alone. Any attempt to charge on super built-up area (which inflates the measurement by including common areas and even structural walls) is prohibited for RERA-registered projects.

Check for a clause that allows the builder to revise the price if the carpet area changes during construction. RERA permits a variation of up to 3% of the agreed carpet area. If the variation exceeds 3%, the buyer is entitled to withdraw from the project and receive a full refund with interest. Make sure the agreement spells out the applicable interest rate for such refunds — it should align with the RERA Karnataka prescribed rate.

Clause 2 — Possession Date and Delay Penalty

The agreement must specify an exact possession date — not a vague phrase like "within 36 months from commencement" or "subject to force majeure." Under RERA, builders must provide a specific date of possession, and any delay beyond that date (other than for reasons accepted under RERA such as natural disasters or government orders) entitles the buyer to compensation. The prescribed rate for delayed possession under RERA Karnataka is the State Bank of India's Marginal Cost of Funds-based Lending Rate (MCLR) plus 2%, computed monthly on the amount paid by the buyer.

Buyers must be alert to asymmetric penalty clauses — where the builder charges the buyer a high interest rate (often 18% per annum) for delays in payment installments, but offers no corresponding penalty for builder delays or offers a far lower rate. Such clauses are challengeable under RERA as being one-sided and contrary to the spirit of the Act. You can request that the penalty rates be made equal, and any refusal is a red flag.

Clause 3 — Payment Schedule and Maintenance Charges

The payment schedule should be construction-linked — that is, each installment should correspond to a specific stage of construction (foundation, slab, brickwork, etc.). If the agreement asks for large upfront payments not linked to construction progress, this is a risk indicator. RERA discourages demand-based payment schedules that do not track construction milestones.

Examine the maintenance deposit and advance maintenance fee clauses carefully. Many builders collect two years of maintenance charges in advance at the time of possession. The agreement should state the rate per square foot per month, the duration for which it is collected, and whether the corpus fund is transferable to the Residents' Welfare Association (RWA) once formed. Builders are required under RERA to form the RWA within three months of more than half the flats being sold, and the maintenance fund must be handed over at that point.

Clause 4 — Cancellation and Forfeiture Terms

Cancellation clauses can be highly punitive for buyers. Some agreements allow the builder to forfeit 10–20% of the total consideration if the buyer wishes to exit, and additionally charge interest on delayed payments before any refund is processed. Under RERA, cancellation terms must be reasonable and reciprocal — if the buyer can be penalised for cancellation, the builder must also face equivalent consequences for cancelling the allotment.

The agreement should also specify the timeline within which the builder must refund amounts after cancellation. RERA Karnataka requires refunds to be made with interest if the cancellation is due to the builder's default. If the buyer is at fault, the builder may retain the booking amount (typically 10% of the agreed price) but must refund the balance promptly. Any clause permitting indefinite retention of funds pending "re-sale" of the unit to another buyer is contrary to RERA and should be struck out before signing.

Clause 5 — Specifications, Amenities, and Changes

The agreement should annex detailed specifications of the flat — flooring material, wall finish, bathroom fittings, kitchen platform, electrical fittings, and any branded items promised by the builder in the marketing brochure. If the builder substitutes specifications without the buyer's written consent, this is a breach of contract enforceable under RERA.

Beware of a clause that gives the builder unilateral right to alter common areas, clubhouse facilities, or the floor plan. Under Section 14 of RERA 2016, a builder cannot make any structural changes to the sanctioned plan without the consent of at least two-thirds of buyers. If the agreement waives this right or grants broad discretion to the builder over amenities, it can be contested as inconsistent with the Act.

✅ Key Takeaways

Carpet Area Only
RERA-registered builders must price on carpet area. Any agreement using super built-up area as the basis for pricing is non-compliant and challengeable.
Equal Penalty Clauses
Demand that delay penalty rates are equal for buyer and builder. Asymmetric clauses favouring the builder are red flags and can be contested under RERA.
Construction-Linked Payments
Insist on a construction-linked payment plan tied to specific milestones. Never agree to demand-based disbursements disconnected from site progress.
Annexe Specifications
Ensure the agreement annexes detailed flat specifications. Verbal or brochure promises are not legally enforceable unless incorporated into the signed agreement.
BUILDER DUE DILIGENCE
Four checks before you book
3/4
CHECKS CLEARED
01
VERIFIED
RERA Approval
Project and promoter registration confirmed against the state RERA registry, including validity dates and any suspension orders.
Reg. no.  ·  validity  ·  promoter record
02
VERIFIED
OC / CC Approval
Occupancy and Commencement Certificates checked with the local planning authority, tower by tower, against the sanctioned plan.
OC  ·  CC  ·  sanctioned plan match
03
FLAGGED
Legal Issues
Title chain, encumbrance certificate, and pending litigation traced across court and consumer forum records.
Title  ·  EC  ·  litigation search
04
VERIFIED
Reputation
Google reviews, resident forums, and delivery history across the builder's past projects, weighted for volume and recency.
4.2 ★  ·  1,840 reviews  ·  9 past projects
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🏛️ Information Source: Real Estate Regulatory Authority (RERA), Karnataka & Real Estate (Regulation & Development) Act, 2016 — Government of India
🔗 Official Portal: rera.karnataka.gov.in
📅 Published: September 5, 2026 | This blog is a public awareness initiative. Verify all information with official sources before making financial decisions.
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