Updated 26 October 2026. Below: the steps so far, what the revision could change for a buyer, a worked example of the cost effect (our arithmetic), and what to do if you are registering in the next few weeks.

Tamil Nadu guideline value revision: what has happened so far

  • July to August 2026: property portals reported that a State Valuation Committee review had begun, with district sub-committees asked to fix anomalies such as similar streets carrying very different values (as summarised in our guide /blog/guideline-value-chennai-2026-check-online-tnreginet).
  • 14 August 2026: according to a minister, the government formed a committee to examine anomalies in guideline values (The Hindu, via Verified.RealEstate).
  • 22 September 2026: Erode published draft guideline values for public objections (The Hindu, via Verified.RealEstate).
  • 6 October 2026: draft guideline values were displayed at government offices for public viewing (The Hindu, via Verified.RealEstate). The areas covered were not identified in the summary we could read.
  • Not reported: the size of any increase or decrease, the objection deadline for Chennai, and the date new values take effect (Verified.RealEstate).

Has the guideline value increased in Chennai?

Not yet in force, as far as we can find. One property blog described a January 2026 revision near the Peripheral Ring Road and in tier-two cities, but we found no government notification to support it, and Verified.RealEstate records the process at the consultation stage as of 7 October 2026. Check the live value for your survey number or street on tnreginet.gov.in on the day you pay stamp duty.

Why the guideline value matters to your cost

TNREGINET's fee table lists a sale at 7% stamp duty and a 2% registration fee, charged on the higher of the deal price and the guideline value. So a revision only changes your cost where the guideline value ends up above the price you are paying.

Worked example (our arithmetic, hypothetical figures): a plot sold for ₹90 lakh with a guideline value of ₹80 lakh pays 9% of ₹90 lakh, or ₹8.1 lakh, before and after a 10% revision to ₹88 lakh, because the price is still higher. If the guideline value were instead revised to ₹1 crore, duty and fee would be 9% of ₹1 crore, or ₹9 lakh, an extra ₹90,000.

For an under-construction flat, the sale deed usually covers the undivided share of land (UDS), so the land guideline value for that survey number is what matters most; see Patta for Flats in Chennai and UDS Explained (2026): Joint Patta, Undivided Share, Registration.

Should you register before the new guideline values come in?

  • If your deal price is well above the current guideline value, a moderate revision is unlikely to change your stamp duty. There is no reason to rush.
  • If the guideline value is close to or above your price (common in some older areas and on plots), registering under current values can save money, but only if title checks are complete. Do not skip diligence to beat a date nobody has announced.
  • Under-construction buyers: ask the developer when the UDS sale deed will be registered and on what value.
  • Sellers and buyers should both take tax advice when the guideline value exceeds the deal price, because income-tax law can use the stamp duty value in place of the price.

How to view the draft and object

The drafts were displayed at government offices (The Hindu, via Verified.RealEstate); the summary we read does not name which offices or give a procedure. Ask at your sub-registrar office whether the draft for your area is on display, note the survey number or street value, and ask how and by when objections are accepted. Do not assume a statewide deadline; Erode ran its own objection window (The Hindu, 22 September 2026, via Verified.RealEstate).

Objections are most useful where a value is plainly out of line with neighbouring streets, which is the kind of anomaly the August committee was set up to look at.

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