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Agreement to Sell vs Sale Deed: What Actually Transfers a Chennai Home

An agreement to sell only promises a transfer, while a registered sale deed is what actually makes you the owner. A Chennai buyer guide to the legal difference, registration, and the checks to run between the two documents.

Buying Guides
Updated on
October 4, 2026
12 min read

In 2026 a buyer in Velachery handed over nearly 20 percent of the price of a two bedroom flat the day he signed an agreement to sell, convinced that the paper in his hand made the home his. Eight months later, with the seller stalling and a better offer on the table, he discovered what that paper actually was: a promise, not a transfer. He had no registered sale deed, and in the eyes of the law he owned nothing yet. His confusion between an agreement to sell and a sale deed is one of the most expensive mistakes a Chennai buyer can make.

The short answer. An agreement to sell is a promise to transfer a property in future on agreed terms, and under Section 54 of the Transfer of Property Act it does not by itself create any ownership or charge. A sale deed is the actual transfer, and ownership passes to you only when it is executed, stamped and registered. The trade off is real: the agreement protects the deal and locks the price, but until the registered sale deed exists you are a buyer in waiting, not an owner, so never pay as though the two documents are the same.

What is an agreement to sell?

An agreement to sell is a contract that a sale will take place on terms the two sides settle in advance. It records the price, the schedule of payments, the condition of clear title, the timeline to closing and what happens if either side backs out. In most Chennai deals it is the first document you sign, often alongside a token or advance, and it is the instrument that holds the seller to your price while you arrange a loan and complete your checks.

What it is not is a transfer of the home. Section 54 of the Transfer of Property Act is explicit that a contract for sale does not of itself create any interest in or charge on the property. So the agreement gives you an enforceable right to complete the purchase on the agreed terms, and the right to sue for specific performance if the seller walks away, but it does not make you the owner. That distinction, set out clearly by legal explainers such as iPleaders, is the whole point. A well drafted agreement is still worth taking seriously, because it is the document that pins the seller to your price and sets the consequences if the deal collapses, but a buyer should read it as a roadmap to ownership rather than ownership itself.

What is a sale deed, and when does ownership actually pass?

A sale deed is the document that actually conveys ownership from the seller to you. It is executed after the conditions in the agreement are satisfied, and ownership passes only when that deed is signed, stamped with the correct duty, and registered. No right, title or interest in immovable property transfers without the stamping and registration of the sale deed, which is why the registered deed, not the agreement, is the document that makes you the legal owner.

In Chennai you execute and register the sale deed at the jurisdictional sub registrar office, after which the transaction reflects in the state registration records accessible through the Tamil Nadu registration portal, TNREGINET. Once the deed is registered, you then move to mutate the revenue records in your name, the step covered in our guide to patta and chitta verification in Tamil Nadu. Only after both the registered deed and the updated records line up is your ownership fully settled on paper.

The timing of money matters here. In a typical Chennai purchase the bulk of the price is paid at registration, when the deed is signed before the sub registrar and the balance cheque or loan disbursement changes hands. That sequencing is deliberate: it ties your largest payment to the moment ownership actually moves, not to the earlier promise. A buyer who front loads most of the money onto the agreement, as the Velachery buyer did, strips away the single biggest piece of leverage the law hands them, which is a seller who still wants to be paid.

Does signing an agreement to sell give me any ownership at all?

No, it does not give you ownership, though it can give you limited protection over possession. If you have taken possession of the property under the agreement and are willing to perform your side of the bargain, Section 53A of the Transfer of Property Act, the doctrine of part performance, can stop the seller from disturbing that possession. It is a shield against the seller, and a useful one, but it is narrow.

Crucially, Section 53A does not cure your title. The seller remains the full owner of the property until it is legally conveyed to you by a registered sale deed, and the protection does not extend against third parties with a genuine claim. So possession under an agreement is not the finish line, it is a fragile halfway point. Treat it as a reason to push hard for the registered deed, not as a substitute for it.

Which document must be registered, and what does it cost?

The sale deed must be registered, and it is the document that carries the real cost. Registration of a sale of immovable property is compulsory under the Registration Act, and the deed attracts stamp duty plus a registration fee calculated on the higher of the agreed price or the government guideline value. An agreement to sell, by contrast, usually attracts only a smaller stamp charge and is not always compulsorily registered, though registering it adds protection.

Because the duty and fee track the guideline value, confirm that figure for your exact street and survey number before you commit, since it can exceed the price you negotiated and raise your closing cost. Those taxes sit alongside any applicable GST on an under construction unit, which we break down in our guide to GST on a flat purchase in Chennai. Budget for the full stack, not only the sticker price, so the registration day holds no surprises.

What should a Chennai buyer check between the agreement and the deed?

The gap between signing the agreement and registering the deed is where a careful buyer does the real work. Use the window to verify everything, because once you register you are committed. Here is a seven step checklist for that period.

  1. Read the agreement to sell line by line, and confirm the price, payment schedule, timeline and default clauses match what was promised.
  2. Check that the agreement names the correct owners, the exact extent of land, and the right survey and door number.
  3. Pull the encumbrance certificate to confirm there are no undisclosed loans or charges on the property.
  4. Verify the patta and chitta and the chain of prior title deeds so the seller right to sell is clean.
  5. Confirm the guideline value for the property and compute the stamp duty and registration fee you will pay.
  6. Keep the balance payment tied to the registration of the sale deed, not to the agreement alone.
  7. Register the sale deed at the correct sub registrar office, then apply to mutate the records into your name.

Each step is cheap to do and expensive to skip. The buyer in Velachery had done none of them, which is why a simple promise felt like ownership right up until it did not. None of this is advice to buy or avoid any particular property; it is simply the order in which Tamil Nadu law expects a clean purchase to move, and following that order is what keeps your money and your title on the same side of the table.

How does an agreement to sell compare with a sale deed?

The two documents differ on every axis that matters to a buyer. The table below sets the contrast out plainly so you can see why only one of them makes you an owner.

FeatureAgreement to sellSale deed
What it doesPromises a future transfer on agreed termsActually transfers ownership to the buyer
OwnershipStays with the sellerPasses to the buyer on registration
RegistrationSmaller stamp charge, not always compulsoryCompulsory, with full stamp duty and fee
If the other side defaultsYou can sue for specific performanceTitle is already vested, dispute is rare

Read the table from the ownership row down, and the lesson is obvious. The agreement is about intention and the deed is about title, and no amount of advance paid on an agreement changes which one the law recognises.

Frequently asked questions

Does an agreement to sell transfer ownership of the property?

No. Under Section 54 of the Transfer of Property Act an agreement to sell is only a promise to transfer on agreed terms, and it does not by itself create any interest or charge in the property. Ownership passes to you only when the sale deed is executed, stamped and registered.

Is it compulsory to register a sale deed in Tamil Nadu?

Yes. A sale deed for immovable property must be stamped and registered under the Registration Act, so you register it at the sub registrar office and it then appears in the state records. Registration is what gives the transfer legal effect, so never treat an unregistered deed as proof of ownership.

I have possession under an agreement to sell. Am I protected?

Partly. Section 53A of the Transfer of Property Act can stop the seller from disturbing your possession if you took it under the agreement and are willing to perform your part. But it does not cure your title, so the seller remains the full owner until a registered sale deed is executed in your favour.

Which comes first, the agreement to sell or the sale deed?

The agreement to sell comes first. It sets the price, timeline and conditions, and usually accompanies your token or advance. The sale deed is executed later, once conditions such as loan approval and clear title are met, and only that registered deed completes the purchase and makes you the legal owner of the home.

Last updated 2026-10-04. PropNewz Team.

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