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Changes to Plans Under RERA

Under section 14 of the Real Estate Regulation Act 2016, a promoter cannot make any addition or alteration in the sanctioned plans, layout or specifications of a real estate project without previous written consent of the affected allottee, and consent of at least two-thirds of allottees other than the promoter for changes affecting the project as a whole. Minor structural changes recommended by the architect or engineer are permitted with proper intimation. Defect liability extends to five years from possession.

Priyanka WadheraPriyanka Wadhera
Published: 13 Apr 2023
Updated: 23 May 2026
13 min read
Changes to Plans Under RERA
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Under section 14 of RERA, promoters cannot alter sanctioned plans without specific allottee consent and two-thirds consent for project-wide changes.

Changes to Plans Under RERA

Section 14 of the Real Estate (Regulation and Development) Act, 2016 converts the sanctioned plan into a legally enforceable promise. A promoter cannot alter the approved layout, building specifications or common amenities without written consent from every affected allottee — and for project-wide structural changes, that threshold climbs to two-thirds of all allottees excluding the promoter. Violate that rule and the RERA authority can void the change, impose a monetary penalty up to 5% of the estimated project cost, and order full restitution or a refund with interest. This post unpacks exactly what that means in practice for FY 2026-27.


What Section 14 of RERA Actually Says

Section 14 of the Real Estate (Regulation and Development) Act, 2016 is brief in text but sweeping in effect. It imposes obligations on the promoter at three distinct levels: what must be delivered as promised, what can only be changed with consent, and how long the promoter remains liable after possession.

Section 14(1): The Completion Certificate Obligation

Section 14(1) requires the promoter to obtain the completion certificate or occupancy certificate from the competent local authority before handing over possession, and to make that certificate available to individual allottees or through the association of allottees. This provision is the legal underpinning that ties physical delivery to the sanctioned plan — you cannot have a valid completion certificate for a building that deviates materially from what the local authority approved.

Section 14(2) is where most disputes arise. It prohibits the promoter from making any addition or alteration to:

  • The sanctioned plans and layout plans
  • The building specifications
  • The nature of fixtures, fittings and amenities described in the agreement annexures

Two separate consent thresholds apply depending on the nature of the change:

  1. Unit-specific change — requires the previous written consent of that particular allottee
  2. Project-wide structural change — requires consent of at least two-thirds of the allottees of the project, excluding the promoter

The phrase "previous written consent" is deliberate. Consent obtained after the change has already been made — even if later documented — is not valid under section 14(2). RERA adjudicating officers across Maharashtra, Karnataka, Haryana and Uttar Pradesh have consistently held this position in complaint orders issued through 2025.

Section 14(2)(ii): The Minor Alterations Carve-Out

The Act creates a narrow exception for minor additions or alterations required due to architectural and structural reasons, provided they are:

  • Duly recommended and verified in writing by the authorized architect or structural engineer
  • Followed by proper declaration and intimation to the allottee

Note two critical words: recommended and intimation. The promoter still needs professional certification in writing — not just a verbal assurance from the site engineer — and must communicate the change to every allottee even if no consent is required. Silence is not adequate intimation.


RERA authorities have developed a working taxonomy of what constitutes a consent-triggering change versus a permissible minor alteration. The following categories almost always require consent:

Unit-level changes (written consent of that allottee):

  • Any reduction in carpet area, even by a few square feet
  • Change in floor-to-floor height affecting the contracted unit
  • Substitution of specified flooring material (e.g., Italian marble replaced with vitrified tiles)
  • Change in kitchen platform material, brand of sanitaryware or grade of fittings as listed in the annexure
  • Modification of window placement, size or type affecting light or ventilation
  • Relocation of bathrooms or kitchen within the unit

Project-wide changes (two-thirds allottee consent):

  • Increase or decrease in total number of units
  • Change in building height, FAR consumption or setback distances
  • Modification of master layout plan affecting road widths, open spaces or green belts
  • Removal or repositioning of common amenities such as a clubhouse, swimming pool or gymnasium
  • Conversion of reserved common area into saleable area or vice versa
  • Addition of a new tower or phase within the same registered project
  • Change in parking configuration affecting the ratio of stilt, open or covered spaces

Changes that typically fall within the minor alteration exception:

  • Structural beam adjustments that do not reduce carpet area or affect habitable space
  • Internal plumbing rerouting made necessary by soil conditions — provided the architect certifies necessity and intimation is sent

The line between "minor" and "material" is litigated frequently. The guiding principle from multiple REAT orders is: if a reasonable buyer would have bargained differently knowing of the change before signing, it is material and requires consent.


The "Minor Alterations" Exception: How Narrow It Actually Is

Promoters routinely rely on the section 14(2)(ii) exception as a catch-all defence. RERA authorities have rejected that interpretation in strong terms.

In practice, three conditions must simultaneously be met for the exception to hold:

  1. Necessity, not convenience. The change must arise from a genuine architectural or structural constraint — not from cost-saving decisions by the promoter or a change in vendor. A switch from one brand of tiles to another solely because of price fluctuation does not qualify.
  1. Professional certification in writing. An email from the architect confirming "minor change" is insufficient unless it specifies the structural or architectural reason, references the drawing revision number, and is signed. Authorities have treated undated or generic certificates as having no evidentiary value.
  1. Prior intimation, not post-facto disclosure. Informing allottees after construction is complete does not satisfy the intimation requirement. The intent of the provision is to give allottees an opportunity to object or seek a remedy before the fact is irreversible.

If your promoter has made changes and is relying on this exception, ask to see the architect's written certification and the date on which it was issued relative to when construction work on the change commenced. That date sequence is often decisive in complaints.


If you are on the promoter side — or if you are a buyer wanting to assess whether the consent process was properly followed — here is the sequence the law requires:

  1. Identify the nature of the change. Determine whether it affects a specific unit, multiple units or the entire project. This sets the consent threshold.
  1. Prepare a written disclosure notice. The notice must describe: (a) the proposed change, (b) the reason for it, (c) the impact on the allottee (area, specifications, amenities), and (d) any financial consideration being offered, if applicable.
  1. Issue notice to all affected allottees. By registered post or email to the address in the sale agreement. Dispatch receipts must be retained.
  1. Allow adequate response time. Thirty days is the customary period recognized by most state RERA rules, though some states specify a different period — check your state's RERA rules. The period runs from the date of receipt, not dispatch.
  1. Record explicit written consent. A consent letter or DocuSign-equivalent document signed by the allottee works. A WhatsApp message responding "ok" does not. RERA authorities in multiple states have specifically rejected WhatsApp-based consent evidence.
  1. For two-thirds threshold changes: conduct a documented vote. This means a formal meeting with minutes, a signed attendance register, and a voting record showing how many allottees were contacted, how many responded, and how many consented. A resolution passed by 67% or more (of those other than the promoter) must be documented and retained.
  1. File the revised plan with the RERA authority. Under section 11(1)(d), the promoter must update the registered project details on the state RERA portal to reflect approved changes. Failing to do so is itself a separate violation.
  1. Update the agreement for sale annexures. Any future allottee signing after the change should receive an updated specification sheet.

Section 14(3): Five-Year Defect Liability

Section 14(3) imposes a defect liability period of five years from the date of handing over possession. Within this window, if you bring any of the following to the promoter's notice, they must rectify it at no charge within 30 days:

  • Structural defects (cracks, settlement, water ingress through structure)
  • Defects in workmanship
  • Defects in quality of materials
  • Deficiencies in services (plumbing, electrical, drainage)
  • Any breach of obligations under the agreement for sale

If the promoter fails to rectify within 30 days of being notified, you are entitled to appropriate compensation under the Act. RERA authorities and adjudicating officers routinely award monetary compensation for the cost of repair plus the inconvenience caused.

Important connection to plan changes: A specification substitution — even one that passed without your knowledge during construction — constitutes a defect if the substituted material is of inferior quality or durability compared to what was specified. This means a buyer who discovers that cheaper wiring, substandard plumbing fittings or lower-grade concrete was used can raise a defect liability claim as well as a section 14 consent violation claim simultaneously.


Worked Example: Calculating What an Unauthorized Change Costs

Scenario

A 300-unit residential project in Pune is registered on MahaRERA. The agreement for sale specifies Italian marble flooring (Rs. 200 per sq ft) in the living and dining areas (combined 550 sq ft per unit). During construction, the promoter substitutes branded vitrified tiles (Rs. 90 per sq ft) without issuing any consent notice. Fifty buyers discover the substitution after possession and jointly approach MahaRERA.

Claim Calculations

Material cost differential per unit:

  • Agreed specification cost: 550 sq ft × Rs. 200 = Rs. 1,10,000
  • Delivered specification cost: 550 sq ft × Rs. 90 = Rs. 49,500
  • Differential per unit: Rs. 60,500

Aggregate differential for 50 complainants:

  • Rs. 60,500 × 50 = Rs. 30,25,000

Interest on amounts paid:

  • Average amount paid by each allottee: Rs. 65 lakh
  • Defect notice date: 14 months after possession
  • Interest at SBI MCLR plus 2% (as notified), say indicatively 10.5% per annum
  • Interest for 14 months on Rs. 65 lakh per allottee = Rs. 65,00,000 × 10.5% × 14/12 = approximately Rs. 7,96,250 per allottee (on full amount paid — in practice, RERA authorities may limit interest to the differential amount rather than the full consideration, depending on the remedy claimed)

Penalty on the promoter:

  • Estimated project cost: Rs. 180 crore
  • Maximum penalty under section 61 for section 14 violation: 5% of estimated project cost = Rs. 9 crore
  • RERA authorities have discretion on quantum; even a 1% levy = Rs. 1.8 crore

Total exposure to the promoter from 50 complaints alone:

  • Cost differential restitution: Rs. 30.25 lakh
  • Compensation awarded: variable, but multiple MahaRERA orders have awarded Rs. 25,000–Rs. 1,00,000 per allottee for "mental agony and inconvenience"
  • Rectification cost (replacing tiles): Rs. 60,500 per unit × 50 = Rs. 30.25 lakh (if ordered to reinstate)

The commercial lesson is stark: what appeared to save Rs. 1,10,500 per unit in construction cost (the Rs. 60,500 downgrade × some markup) generates orders of magnitude more exposure in complaints, penalties and management time.


How to File a Section 31 Complaint: A Practical Walkthrough

Section 31 of RERA gives any aggrieved person — not just an allottee, but also an association of allottees or even a buyers' welfare organization — the right to file a complaint with the state RERA authority or its adjudicating officer.

Documents to Gather Before You File

  • Your registered agreement for sale (the main document plus all annexures including the specification sheet)
  • Copies of the sanctioned building plan and layout plan as approved at the time of your booking (request these from the promoter under section 11(3)(b) — the promoter is obligated to provide them)
  • Side-by-side photographs comparing the specified item against what was delivered
  • Any correspondence from the promoter about the change (or absence thereof)
  • Your payment receipts establishing the total amount paid
  • Architect's certificate or any document the promoter claims justifies the change

Filing Procedure (state portals vary; MahaRERA used as reference)

  1. Register on your state's RERA portal (e.g., maharera.mahaonline.gov.in for Maharashtra, up-rera.in for Uttar Pradesh, rera.karnataka.gov.in for Karnataka)
  2. Log in with your allottee credentials and navigate to the complaints section
  3. Select the registered project from the RERA registration number (available on your agreement)
  4. Complete the online complaint form — describe the specific violation, cite section 14(2), and upload your documentary evidence
  5. Pay the prescribed filing fee (varies by state: typically Rs. 1,000 to Rs. 5,000 for individual complaints)
  6. Receive the complaint number and track hearing dates on the portal

Timeline and Remedies Available

The RERA authority is required to adjudicate complaints as expeditiously as possible and endeavour to dispose of them within 60 days (though in practice timelines stretch further). Available orders include:

  • Direction to the promoter to restore the sanctioned specification
  • Compensation for the cost differential plus any loss in property value
  • Compensation for delay, mental agony and incidental expenses
  • Refund of the amount paid with interest at SBI MCLR plus 2% (as notified) if you choose to exit
  • Imposition of penalty under section 61 (up to 5% of project cost)

Appeal route: Any party aggrieved by the RERA authority's order may appeal to the Real Estate Appellate Tribunal (REAT) within 60 days of receiving the order, on payment of the prescribed fee.


Common Mistakes and Pitfalls to Avoid

These are the errors that most commonly weaken a buyer's case or a promoter's defence in RERA proceedings:

For buyers:

  • Waiting too long to document. Take dated photographs on possession day and within the first month of occupation. RERA authorities accept photographic evidence but credibility falls if photos were taken two years after possession.
  • Accepting verbal assurances. If a promoter's representative says "we'll fix it" or "we'll compensate you," get it in writing on the company's letterhead. Verbal promises are unenforceable and reset no timelines.
  • Confusing occupancy certificate with completion. An OC from the local authority confirms compliance with building regulations but does not certify that every contractual specification was delivered as agreed. Your agreement annexure governs specifications — the OC does not override it.
  • Filing with wrong authority. If your dispute involves a monetary claim exceeding a threshold notified by your state, it goes to the adjudicating officer rather than the RERA authority. Filing with the wrong body wastes time. Check your state-specific rules.
  • Ignoring the five-year defect window. Many buyers discover seepage or structural issues in year three or four and assume they have missed their chance. Five years from possession date is the clock — not from completion or registration.

For promoters:

  • Treating intimation as equivalent to consent. Section 14(2)(i) requires consent for unit-specific changes; section 14(2)(ii) requires intimation for minor alterations. Conflating the two and sending a notice instead of seeking consent is a common and expensive error.
  • Failing to update the RERA portal. Changes to the sanctioned plan must be disclosed through the project update mechanism on the state portal. Failing to do so is a separate violation under section 11(1)(d) that can lead to additional penalties.
  • Relying on bulk consent from an informal residents' meeting. Two-thirds consent requires a formal, documented process. An informal gathering or a survey form distributed by the sales team does not satisfy the evidentiary standard.
  • Substituting materials "temporarily." There is no concept of a temporary specification change under RERA. If an inferior material is installed and later replaced, the allottee can still claim compensation for the period of non-compliance.

Key Takeaways

  • Section 14(2) creates two consent thresholds: written consent from the individual allottee for unit-specific changes; two-thirds of all allottees (excluding the promoter) for project-wide structural changes — and both must be obtained before the change is made.
  • The "minor alteration" exception is narrow and conditional. It requires a written architectural or structural certificate specifying the reason, plus prior intimation to allottees — not just a post-construction disclosure.
  • Specification downgrade is a plan change. Substituting cheaper materials or removing specified amenities triggers both a section 14 consent violation and a potential section 14(3) defect liability claim simultaneously.
  • Five-year defect liability runs from the date of possession. Within that window, you can demand rectification at no charge within 30 days, and failure to comply entitles you to compensation through a section 31 complaint.
  • Consent must be explicit and documented. WhatsApp messages, oral approvals and unsigned acknowledgements have been repeatedly rejected by RERA authorities as insufficient. Written, signed consent — obtained before the change is executed — is the only safe standard.
  • Section 31 complaints are accessible and low-cost. Filing fees typically range from Rs. 1,000 to Rs. 5,000. You can file on your state's RERA portal yourself. Strong documentary evidence — your agreement annexure, sanctioned plan, and photographic proof of what was actually delivered — is more decisive than legal complexity.
  • Monetary exposure for promoters compounds quickly. Between cost-differential restitution, interest at SBI MCLR plus 2% (as notified), compensation for mental agony, and the section 61 penalty up to 5% of project cost, a seemingly small specification change can generate liability far exceeding the construction cost saved.

Frequently Asked Questions

Can a builder change the sanctioned plan after booking?
No, not without proper consent. Section 14(2) of RERA requires the affected allottee's written consent for unit-specific changes and consent of two-thirds of allottees for project-wide modifications. Unilateral changes are voidable and the allottee can seek restoration, refund or compensation through the RERA authority.
What is the defect liability period under RERA?
Section 14(3) of RERA imposes a five-year defect liability on the promoter from the date of possession for any structural defect or defect in workmanship, quality, services or amenities. The promoter must rectify such defects within 30 days at no additional cost to the allottee, failing which compensation is payable.
How do I file a complaint against plan changes under RERA?
File a complaint under section 31 with the State RERA authority using the prescribed online form along with the agreement for sale, sanctioned plan from the RERA project page, payment receipts and evidence of the unauthorised change. The authority can order restoration, refund and compensation within 60 days typically.
Is two-thirds consent required for every change in a RERA project?
Two-thirds consent of allottees other than the promoter is required for additions or alterations to the project as a whole — i.e., changes affecting common areas, amenities or master layout. Changes specific to a single unit require only that allottee's written consent. Architecturally minor changes may be intimated rather than voted on.
Priyanka Wadhera
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CA | POSH Consultant | Financial Advisor

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