Outdoors
Entrance
Select a view or open the gallery
Keystone Avni
Thirumazhisai, Chennai
Construction Status
Ready to move
Completed in Jun, 2025
₹28 L - 35 L
Price range· ₹3,500/sqft
Plot/Land
Plot Area
800–1050 sqft
₹28 - 35 L
Project Details
- Project area
- 11.5 acres
- Total units
- 169
- Unit sizes
- 800–1,050 sqft · Plot Area
- Price per sqft
- ₹3,500
- Property type
- Plot/Land
- Possession
- Since Jun, 2025
Specifications
Designed with a blend of functionality and style, the interiors feature premium fittings, elegant finishes, and optimized layouts to enhance everyday living. High-quality materials and thoughtful detailing ensure both comfort and durability
As stated by the builder; shown as filed.
RERA Registration
Phase registrations, completion timelines and available documents from the state RERA record.
AVNI
TN/2/Layout/1786/2025dated 21-05-2025
Tamil Nadu RERA
- Registered on
- Not stated
- Completion by
- Not stated
Not found in this snapshot
No matching registry entry was found
The registration was not found in our Maharashtra, Tamil Nadu, Karnataka, Haryana, Uttar Pradesh and Gujarat snapshot. This does not mean the project is unregistered; check the live state portal before you transact.
- Snapshot checked
- 21 Jul 2026
- Check the official portal
- Open TNRERA portal ↗
Registry documents
Mirrored from the state RERA registry
No mirrored registry documents available
Document availability varies by state portal. Use the official RERA portal below for the latest filed records.
About Keystone Avni
Keystone Avni in Thirumazhisai, Chennai is a ready to move housing society. This project is a perfect combination of comfort and style, specifically designed to suit your requirements and conveniences. This housing society is now ready to be called home as families have started moving in. Check out some of the features of Keystone Avni housing society: * Spread over an area of 11.5 acres, Keystone Avni is one of the spacious housing societies in the Chennai West region. With all the basic amenities available, Keystone Avni fits into your budget and your…More ↓Less ↑
Keystone Avni in Thirumazhisai, Chennai is a ready to move housing society. This project is a perfect combination of comfort and style, specifically designed to suit your requirements and conveniences. This housing society is now ready to be called home as families have started moving in. Check out some of the features of Keystone Avni housing society: * Spread over an area of 11.5 acres, Keystone Avni is one of the spacious housing societies in the Chennai West region. With all the basic amenities available, Keystone Avni fits into your budget and your lifestyle. * Thirumazhisai, Chennai has good connectivity to some of the important areas in the proximity such as Thiruninravur Railway Station, Saveetha University and Be Well Hospitals and so on.
Top Facilities
11 facilities recorded for this project
- Badminton Court
- Basketball Court
- Children's Play Area
- Gazebo
- Gated Community
- 24/7 Security
- Grocery Shop
- Internal Street Lights
- Landscape Garden
Location Advantages
Key destinations around Keystone Avni
Thiruninravur Railway Station
Railway Station · 7.3 Km
Saveetha University
University · 8.3 Km
Be Well Hospitals
Hospital · 10 Km
Loyola international school
School · 13.4 Km
Madras International Circuit
Others · 14 Km
indospace mevalurkuppam Business Park
Office complex · 11 Km
View Official Brochure
Official brochure
Keystone Avni
4 pages · 17.3 MB · PDF
Published by the builder; shown as filed.
Reading here is free. Downloading sends your enquiry to the seller so they can follow up.
Price Comparison
Current asking rates for this project, its locality and Chennai.
Today’s asking rates
Project, locality and city benchmarks
Stamp duty and registration · Tamil Nadu
- Stamp duty
- 7% of the value, applicable to both Male and Female.
- Registration
- 3% for Female
- Registration
- 4% for Male
Recorded state rates for reference. Confirm the applicable amount at registration.
Project and locality asking-rate medians come from the PropertyBaazi project records in the sample shown. Registered rates come from government transaction records. Neither is a valuation, index or forecast.
Market Snapshot for Thirumazhisai
Computed from 4 Thirumazhisai projects in our catalogue (3 with a per-sqft price).
4 projects here, by price band
Society Reviews
Reviews by residents
No written reviews yet
Be the first to share a first-hand experience.
Explore life around Keystone Avni
Understand daily conveniences and connectivity around the project before planning a visit.
Based on 4 projects listed in Thirumazhisai on PropertyBaazi — our catalog, not a market index.
Distances as recorded by the builder — approximate; please confirm on the ground.
View on mapMetro & Rail 1
- Thiruninravur Railway Station7.3 Km
Schools 1
- Loyola international school13.4 Km
Colleges & Universities 1
- Saveetha University8.3 Km
Hospitals 1
- Be Well Hospitals10 Km
Shopping & Malls 1
- VR Mall Chennai23 Km
Parks & Leisure 1
- Queensland Amusement Park9.6 Km
Business Hubs 1
- indospace mevalurkuppam Business Park11 Km
Airport 1
- Chennai International Airport28 Km
Others 1
- Madras International Circuit14 Km
Distances as recorded when the project was listed — approximate; please confirm on the ground.
Similar Projects
Comparable projects around Thirumazhisai
About Keystone Spaces

Keystone Spaces
2 projects on PropertyBaazi
Keystone Spaces is a real estate developer based in Chennai, focusing on creating homes that cater to the needs of modern families. They emphasize quality construction, innovative design, and customer satisfaction. Their projects include residential apartments and villas in prime locations.
Projects by Keystone Spaces
Frequently Asked Questions
What's the possession timeline at Keystone Avni?
Keystone Avni was completed in Jun, 2025 (per our records).
Is Keystone Avni a RERA-registered project?
Yes. Keystone Avni is registered with the state RERA under number TN/2/Layout/1786/2025 dated 21-05-2025, which you can verify on the official RERA portal.
How much should I budget for Keystone Avni?
Homes at Keystone Avni are priced ₹28 L - 35 L (about ₹3,500/sq.ft) for Land, sized 800–1,050 sq.ft plot area.
Where is Keystone Avni and how well-connected is it?
Keystone Avni is located in Thirumazhisai, Chennai.
How big is the Keystone Avni project?
Keystone Avni is spread across 11.5 acres and 169 homes.
What can residents enjoy at Keystone Avni?
Keystone Avni comes with 11 amenities, including Children's Play Area, Landscape Garden, Gazebo, Badminton Court, Basketball Court and Grocery Shop.
What's around Keystone Avni for daily needs?
Close to Keystone Avni you'll find hospitals such as Government Hospital, Nemam.
Who is developing Keystone Avni?
Keystone Avni is being developed by Keystone Spaces.
Quick Links
Disclaimer: The material and information contained on this page is provided for general information purposes only and does not constitute an endorsement, warranty, or representation by PropertyBaazi. PropertyBaazi is an information platform and is not a party to any transaction between users. Project details, prices, availability, RERA status and other information are compiled from public records and third-party sources, may change without notice, and should be independently verified with the developer, the relevant RERA authority and your own legal/financial advisors before you rely on them or make any decision.


