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    Structural Design Changes in Bangalore RERA Projects

    By Advocate Raghavendra S C August 30, 2026 10 min read
    Structural Design Changes in Bangalore RERA Projects

    Quick Answer

    What Legal Rights Does a Bangalore Allottee Have When the Developer Changed the Project’s Structural Design After RERA Registration Without Allottee Consent? By the Property Law Team | Legal Brigade | Bar Council of Karnataka When a Bangalore developer registered a RERA project with K-RERA with a specific structural design – including the building’s floor…

    What Legal Rights Does a Bangalore Allottee Have When the Developer Changed the Project’s Structural Design After RERA Registration Without Allottee Consent?

    By the Property Law Team | Legal Brigade | Bar Council of Karnataka

    When a Bangalore developer registered a RERA project with K-RERA with a specific structural design – including the building’s floor layout, the unit configuration on each floor, the tower footprint, the staircase placement and the structural system’s type – and then materially changed this structural design during construction without obtaining the prior written consent of at least two-thirds of the allottees as required under Section 14(1) of RERA, the design change is a RERA violation that entitles the allottees to claim compensation for any reduction in the flat’s size, utility or value caused by the structural redesign.

    How Does a Structural Design Change Differ From a Material Specification Deviation?

    Page 543 addressed material specification deviations – where the developer used lower-quality materials than those registered with K-RERA (inferior concrete grade, lower-quality tiles, downgraded windows). This page addresses structural design changes – where the developer altered the building’s physical configuration rather than the materials used. These are distinct RERA violations with different consequences.

    A structural design change may involve: reducing the number of flats on a floor by merging units or reconfiguring the floor plan; changing the flat’s shape by moving internal walls or restructuring the unit’s layout; altering the building’s floor height, thereby changing the flat’s ceiling height below the registered specification; changing the tower’s orientation or footprint, affecting views and solar exposure; or adding or removing structural elements like columns that affect the flat’s usable area. All these changes alter what the allottee contracted to receive and require the Section 14(1) two-thirds consent.

    Structural Change Type

    RERA Section 14(1) Violation?

    Impact on Allottees

    Claim Basis

    Floor plan reconfiguration – walls moved, resulting in smaller usable room dimensions

    Yes – structural change without two-thirds consent

    Flat delivers less usable space than the registered plan specified

    Compensation based on the reduced carpet area value at the contracted rate per square foot

    Tower orientation changed – flat now faces a different direction affecting views and sunlight

    Yes – structural change without two-thirds consent

    Allottees contracted for a specific orientation – the changed orientation may reduce market value

    Compensation for the value difference between the contracted and delivered orientation

    Ceiling height reduced below the registered specification – floor-to-floor height decreased

    Yes – structural deviation from the registered design

    Reduced ceiling height affects habitability and perceived space quality

    Compensation for the specification deviation – cost of restoring the ceiling height if feasible

    Structural columns added inside the flat footprint – reducing unobstructed floor area

    Yes – structural addition not in the registered plan

    The column reduces the usable floor area and disrupts the flat’s intended layout

    Compensation for the area lost to the structural addition at the contracted rate

    Number of floors increased without RERA registration amendment – new floor plan created

    Yes – and a separate floor count violation – both under RERA Section 14(1) and BBMP rules

    Allottees in the original floors may have their common area ratios affected by the extra floors

    RERA Section 14(1) claim for the unregistered design change plus Page 537’s floor count violation framework

    What Are the Specific Checks for a Structural Design Change?

    Step 1: Download the K-RERA project registration and the registered building plan – the RERA registration includes the building’s floor plan showing each flat’s dimensions and layout as registered.

    Step 2: At the possession inspection, compare the actual flat against the registered floor plan – specifically measuring the room dimensions, confirming the wall positions and checking the ceiling height against the registered specification.

    Step 3: If structural differences exist between the registered design and the delivered flat, document them with measurements and photographs at the possession inspection and note them in the possession letter.

    Step 4: Confirm whether the developer obtained the two-thirds allottee consent before making the structural change – and whether any amendment was registered with K-RERA updating the project’s structural design.

    Step 5: File a K-RERA Section 14(1) complaint for the structural design change – attaching the registered floor plan, the site measurements and the possession letter noting the deviation.

    Q1. What constitutes a structural design change under RERA Section 14(1)?

    RERA Section 14(1) prohibits a developer from making any structural change in any apartment without the prior written consent of at least two-thirds of the allottees. A structural change includes any modification to the building’s structural elements – load-bearing walls, columns, beams and slabs – and any significant alteration to the building’s floor plan that changes the unit configuration, dimensions or layout from what was registered with RERA.

    Q2. Can a developer amend the RERA registration to reflect a structural change?

    Yes – a developer who wants to make a structural change can apply to K-RERA to amend the project registration – with the required two-thirds allottee consent. K-RERA reviews the amendment application and approves the change if the consent was properly obtained and the change is otherwise permissible. An amended RERA registration reflecting the new structural design is the proper regulatory mechanism for a legitimate structural change.

    Q3. How does the two-thirds allottee consent requirement work in practice?

    The two-thirds consent requires written consent from at least two-thirds of the total number of allottees in the project – not just those whose flats are directly affected. This is a high threshold – in a 200-unit project, at least 134 allottees must give written consent. The consent must be informed and voluntary – not obtained through pressure or misrepresentation. A developer who obtained consent through fraudulent representation of the change’s impact may face a RERA violation for the consent procurement process itself.

    Q4. What compensation is available for a structural design change that reduced the flat’s carpet area?

    Under RERA, the allottee pays for the flat based on the contracted carpet area. If the delivered carpet area is less than the contracted area due to a structural change, the developer must refund the proportional purchase price for the shortfall – plus interest on the refunded amount. The compensation is calculated at the contracted rate per square foot multiplied by the area shortfall.

    Q5. Can a structural design change void the RERA registration?

    K-RERA can take enforcement action against a developer who makes structural changes without the required consent – including imposing penalties, requiring the developer to compensate allottees and in serious cases cancelling the project’s RERA registration. A RERA registration cancellation forces the developer to refund all allottees with interest.

    Q6. What if the structural change improved the flat’s design – can the developer argue no harm was done?

    A developer who argues the structural change improved the design still requires the two-thirds consent under Section 14(1) – the consent requirement applies to all structural changes regardless of whether they are improvements or deteriorations. The allottees have the right to receive what they contracted for – any change, even an improvement, requires their consent. An allottee who preferred the original design over the developer’s “improved” version has a valid RERA claim.

    Q7. How does a structural design change interact with the BBMP building plan sanction?

    A structural change to the building may also require a revised BBMP building plan sanction – if the change affects the building’s structural system, the floor footprint or the common area configuration. A developer who made a structural change without amending the BBMP building plan sanction has both a RERA violation (no allottee consent) and a BBMP violation (construction deviating from the sanctioned plan). Both violations are independently enforceable.

    Q8. Can the structural design change affect the OC?

    If the structural change altered the building’s configuration from the BBMP-sanctioned plan, BBMP may not issue the OC for the changed building until the plan amendment is obtained. An OC issued for the changed building without a plan amendment was issued based on a mismatch between the actual construction and the sanctioned plan. The allottees should confirm the OC covers the flat as actually built – not as originally planned.

    Q9. What if the structural change was made to comply with new fire safety or structural safety requirements?

    A structural change made to comply with revised fire safety standards or structural safety requirements imposed by BBMP, KSFES or a structural engineer after the RERA registration may be a necessary change that the developer can argue was beyond their control. However, even a safety-mandated structural change requires the allottees’ prior consent under Section 14(1) – the developer must inform the allottees and obtain consent before making the change, not after.

    Q10. How does Legal Brigade check structural design compliance during possession inspection?

    Legal Brigade’s possession inspection includes a systematic comparison of the registered K-RERA floor plan against the actual flat – measuring room dimensions, confirming wall positions, checking the ceiling height and identifying any column placements not shown in the registered plan. Where a structural design deviation is found, Legal Brigade advises on the RERA Section 14(1) claim, the measurement documentation required and the K-RERA complaint process for compensation.

    Your Bangalore flat’s floor plan at possession looked different from what was shown in the RERA registration – walls in different places, smaller rooms or a column that was not in the original plan? Legal Brigade’s floor plan comparison and K-RERA structural design claim confirm whether the developer changed the design without your consent

    WhatsApp → wa.me/8497029999

    Frequently Asked Questions

    What constitutes a structural design change under RERA Section 14(1)?

    It includes any modification to load-bearing walls, columns, beams, or slabs, as well as significant alterations to floor plans, unit dimensions, or layouts registered with RERA. Developers must obtain written consent from two-thirds of allottees before making such changes.

    How is the two-thirds allottee consent requirement calculated?

    The developer must obtain informed, written consent from at least two-thirds of the total number of allottees in the entire project, not just those directly affected by the change. For instance, in a 200-unit project, at least 134 allottees must provide voluntary consent.

    What compensation is available for reduced carpet area due to design changes?

    If the delivered carpet area is less than what was contracted, the developer is required to refund the proportional purchase price for the shortfall. This compensation is calculated based on the contracted rate per square foot plus applicable interest.

    Can a developer justify an unauthorized change if it improves the building design?

    No, the requirement for two-thirds consent applies to all structural changes regardless of whether the developer deems them improvements. Allottees have a legal right to receive exactly what was contracted and registered with K-RERA.

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