Table of Contents

What Is a Supplementary Lease Deed? When Is a Supplementary Lease Deed Required? Supplementary Lease Deed vs New Lease Agreement Documents Required for Supplementary Lease Deed How to Make a Supplementary Lease Deed?Is Registration or Stamp Duty Required for a Supplementary Lease Deed? Key Contents of a Supplementary Lease Agreement Legal Validity of a Supplementary Lease Deed in India How NoBroker Can Help With a Lease Agreement?Frequently Asked Questions?

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Supplementary Lease Deed: Meaning, Purpose and Documents Required in India

Published : February 5, 2026, 12:44 PM

Updated : February 5, 2026, 12:44 PM

Author : Ananth

Real Estate Legal Guide & Laws

Lease Agreement

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Summary

A supplementary lease deed is a legal addendum used to modify or update specific terms of an existing lease without cancelling the original agreement. It allows landlords and tenants to record changes such as rent revisions, lease extensions, or revised usage clauses in a cost-effective and legally valid manner. Widely used in both residential and commercial rentals, this deed ensures continuity of the original lease while making new terms enforceable under law.

Table of Contents

What Is a Supplementary Lease Deed?

A supplementary lease deed, often called a lease addendum or modification deed, is an additional legal agreement executed between the same landlord and tenant to revise specific terms of an existing, active lease. It does not replace the original lease deed; rather, it is read together with the principal document. Its primary function is to legally record changes, such as a rent increase, tenure extension, or change in maintenance duties, ensuring that these new conditions are binding on both parties.

When Is a Supplementary Lease Deed Required?

There are several scenarios in which executing a supplementary lease agreement is more practical than drafting a new contract.

Change in rent or security deposit: When parties agree to revise the monthly rent or top up the security deposit during the lease term.
Extension or reduction of lease period: To legally prolong the tenancy beyond the original expiry date without a new registration process.
Modification of usage or maintenance clauses: When the tenant is granted permission for new activities or structural changes.
Addition or removal of parties: To record changes in the name of a corporate entity or add a co-tenant.

Supplementary Lease Deed vs New Lease Agreement

Choosing between a supplementary tenancy agreement and a fresh lease depends on the extent of the changes and the cost implications. [1]

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Aspect	Supplementary Lease Deed	New Lease Agreement
Nature	An addendum to the existing deed.	A completely fresh contract.
Continuity	Preserves the original lease's history.	Starts a new legal relationship.
Convenience	Faster drafting and execution.	Requires full re-negotiation.
Cost Efficiency	Lower stamp duty (on modification value).	Higher stamp duty (on total value).
Use Case	Minor changes or simple extensions.	Major changes or new tenants.

Documents Required for Supplementary Lease Deed

To ensure the supplementary lease deed is valid, you must provide documents that link it to the original registered deed. [2] [3] [4]

Original lease deed or tenancy agreement: The principal document is mandatory to establish the existing legal relationship.
Identity proof of landlord and tenant: Valid government IDs like Aadhaar, PAN, or Passport for verification.
Address proof of both parties: Current utility bills or Voter IDs to confirm residential details.
Property ownership documents: Title deeds or tax receipts to prove the landlord's right to modify the lease.
Draft supplementary lease deed: The new legal document printed on e-stamp paper of the appropriate value.
Power of Attorney (if applicable): Required if an authorized representative is signing on behalf of a party.

How to Make a Supplementary Lease Deed?

Creating a valid supplementary lease deed format involves a structured process to ensure it is legally compliant and enforceable. [5] [6]

Review the original lease deed

Carefully examine the Principal Lease Deed to confirm the registration details and expiry date. You must understand the existing obligations to ensure that the new modifications do not contradict any non-amended clauses.

Identify clauses to be amended

Select the specific terms that need modification, such as the rent amount or the lease duration. Clearly identifying these sections prevents ambiguity and ensures the document targets only the intended contractual changes.

Draft the supplementary deed

Prepare a formal document that explicitly references the original deed’s registration number. The draft must clearly state the newly agreed terms while including a ratification clause confirming that all other original conditions remain unchanged.

Print on appropriate stamp paper

Purchase e-stamp paper of the value prescribed by your state government. Using the correct denomination is mandatory for the supplementary lease agreement to be recognized as legal evidence in Indian courts.

Sign by both parties with witnesses

Both the landlord and the tenant must sign every page of the deed to prevent tampering. This execution must occur in the presence of at least two witnesses who also sign and provide their ID proofs.

Register or notarize if required

If the original lease was registered, this supplementary deed must also be registered at the Sub-Registrar’s office to be valid. This ensures the document is legally enforceable for the entire extended term.

Is Registration or Stamp Duty Required for a Supplementary Lease Deed?

Yes, in most cases involving registered leases. If the original deed was registered under the Registration Act, any supplementary lease deed that modifies material terms like rent or tenure must also be registered. Stamp duty is mandatory and is usually calculated on the value of the modification (e.g., the additional rent amount) rather than the total lease value. Failure to pay stamp duty or register the deed can render the new terms inadmissible in court. [7]

Key Contents of a Supplementary Lease Agreement

A well-drafted supplementary lease deed must include specific sections to ensure legal clarity. [8]

Reference to the original lease deed: Registration number, book number, and date of the principal deed.
Details of landlord and tenant: Full legal names and addresses of the parties involved.
Clauses being modified or added: Clear text stating the old clause and the new substituted clause.
Effective date of changes: The specific date from which the new rent or tenure applies.
Confirmation that remaining terms stay unchanged: A "ratification clause" to preserve the validity of the rest of the original lease.
Signatures of parties and witnesses: Formal execution by all parties to validate the agreement.

Legal Validity of a Supplementary Lease Deed in India

The supplementary lease deed derives its validity from the Transfer of Property Act and the Registration Act. [9]

Transfer of Property Act relevance: It is recognized as a valid instrument to amend lease terms.
Registration requirement: If the main lease is registered, the supplementary deed must be registered to affect the property rights legally.
Stamp duty applicability: It must be stamped in accordance with state laws to be admissible as evidence.
Binding nature on both parties: Once signed (and registered if needed), it is legally binding on both the landlord and the tenant.

How NoBroker Can Help With a Lease Agreement?

NoBroker simplifies the management of your rental contracts by providing expert assistance with supplementary lease deed drafting. We provide legally compliant supplementary lease deed templates tailored to your specific needs, whether for a rent hike or a tenure extension. Our team guides you through the stamp duty calculation and registration process in your city. With NoBroker's end-to-end support, you can ensure that your what is a lease agreement modifications are accurate, legally sound, and hassle-free.

Frequently Asked Questions?

Q1. What is a supplementary lease deed?

Ans: It is a legal document used to modify or add terms to an existing registered lease without creating a new agreement from scratch.

Q2. When should a supplementary lease deed be executed?

Ans: It should be executed when there are changes to rent, lease tenure, or other key terms of an active lease that both parties agree upon.

Q3. Is a supplementary lease deed legally valid?

Ans: Yes, it is legally valid and binding, provided it is properly stamped and registered (if the original deed was registered.

Q4. Does a supplementary lease deed require registration?

Ans: Yes, if the original lease was registered, any supplementary deed modifying substantial terms like duration or rent must also be registered to be enforceable.

Q5. Can the rent or lease tenure be changed through a supplementary lease deed?

Ans: Absolutely. Changing the monthly rent amount or extending the lease period are the two most common reasons for executing a supplementary lease deed.

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Ananth,Author

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