TCS will pay an initial monthly rent of about ₹10.26 crore, with rentals set to rise by 12 per cent every three years. | Photo Credit: FRANCIS MASCARENHAS

IT service behemoth Tata Consultancy Services (TCS) has renewed its lease for nearly 1.5 million sq ft of office space at Chennai One IT SEZ in Thoraipakkam, committing an estimated ₹1,420 crore in rentals over the next 10 years, according to property analytics platform Propstack.

The lease, which started on November 1, 2025, covers 14.66 lakh sq ft of chargeable area across multiple towers in Blocks A and B of the Chennai One campus, owned by IG3 Infra Ltd. The facility comprises four towers in Block A (Alpha) and select floors in Block B (Magnum), reinforcing TCS’ long-term commitment to Chennai, one of its largest delivery and talent hubs.

Under the agreement, TCS will pay a monthly rental of about ₹10.26 crore at a starting rate of ₹70 per sq ft. The lease carries a tenure of 10 years and includes a security deposit of ₹94.64 crore. Rentals will increase by 12 per cent every three years, as per the lease terms.

The lease renewal is among the larger office transactions recorded in Chennai in recent months and underscores the continued importance of Grade-A office campuses for major technology companies.

Published on June 8, 2026