Altaire Collection — photo 1
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Overview

Key facts, highlights and our rating for Altaire Collection

  • 6.5 AcresLand Parcel
  • 40Floors
  • ₹ 30,070Avg. Price / sq.ft
  • coveredParking

About Altaire Collection

Here’s what you need to know about the Altaire Collection Sion Project.

Location
Located on Truck Terminal Road, GTB Nagar, Sion West, in the Central Line in Mumbai, Altaire Collection is situated in a well-established area. The location is in proximity to:

  • Eastern Express Highway

  • Sion Railway Station

  • K Star Mall 

  • S L Raheja Hospital 

  • Dhirubhai Ambani International School 

Overview
The Altaire Collection Project, developed by Siddha Group Developers, spans 6.5 acres and features high-rise towers with G+40 floors. 

Carpet Area
Sainath Developers project offers 2BHK, 3BHK and 4BHK flats in Sion for sale with a carpet area of:

  • 2BHK - 715 Sq.ft

  • 3BHK - 885 Sq.ft

  • 4BHK - 1043 Sq.ft 

Amenities
Altaire Collection Mumbai by Siddha Group Builders offers 10+ lifestyle amenities, such as -

  • Gymnasium

  • Indoor Games

  • Yoga Deck

  • Meditation Deck

  • Children's Play Area

  • Swimming Pool 

  • Club House 

Parking Facility
Parking is available at the ground level of the Altaire Collection Project in Sion West

Rera & Possession Timeline
Siddha Group New Launch Altaire Collection Rera Number is P51900021031, and the Rera Possession is in December 2025

To get the reviews of Siddha Group Builders and Developers, or to schedule a visit to the Altaire Collection Sion Project sample flat, call us today!

Keystone LIV Rating

4.5/ 5Overall
  • Recommended4.5
  • Investment4.5
  • Livability4.5

Rated by Keystone LIV advisors on location, developer track record, layouts and value.

Download the Altaire Collection brochureFloor plans, price sheet and project details in one PDF.

Price & Floor Plans

Unit-wise agreement prices for Altaire Collection

2 BHKApartment 715 sq.ft.carpet ₹ 2.15 Cr
3 BHKApartment 885 sq.ft.carpet ₹ 2.67 Cr
4 BHKApartment 1,043 sq.ft.carpet ₹ 3.14 Cr

Prices are agreement value; stamp duty, registration and GST are extra. Get the cost sheet for the all-inclusive price.

Price Comparison (₹ per sq.ft)

Altaire Collection ₹ 30,105/sq.ft
Sion average ₹ 34,406/sq.ft
Mumbai average ₹ 31,326/sq.ft

This project is priced 13% below the Sion average.

Average of starting price ÷ carpet area across 22 live projects on Keystone LIV. Indicative only.

Get the best price Talk to a Keystone LIV advisor — free, no obligation.

Amenities

12 amenities and facilities at Altaire Collection

Amenities

  • Club house
  • Gym
  • Jogging Track
  • Kids Play Area
  • Swimming Pool
  • Yoga Zone

Facilities

  • 24*7 Water
  • Gated Society
  • Lift
  • Parking
  • Power Back Up
  • Security System

Location

Where Altaire Collection is and what is close by

Get directions ↗

Sion Mumbai

About Sion

A central suburb that acts as a bridge between South Mumbai and the eastern suburbs. Sion is home to several historic landmarks and educational institutions like SIES College. Highlights include the Sion Fort, the Lokmanya Tilak Municipal General Hospital (Sion Hospital), and its role as a major transit hub for the Central and Harbour lines. It is a culturally diverse neighborhood with a strong traditional and academic identity.

 

Sion Location Offers Proximity To:

  • Sion Railway 

  • GTB Nagar

  • Mono Rail Depo

  • Chunnabhatti

  • Wadala Monorail Station Marg Bus Stop

  • Dharavi Udchand Kendra Bus Stop

 

Popular Landmarks in Sion

  • Gurukripa

  • Ram Ashraya

  • Sion Lunch Home

  • Hardeep Punjab (Sion Koliwada)

 

Schools and Colleges in Sion

  • Dhirubhai Ambani International School

  • Bombay Scottish School, Mahim

  • Sion Shikshan Sanstha's D. S. High School

  • Don Bosco High School

  • K. J. Somaiya Institute of Technology

 

Hospitals in Sion

  • K.J. Somaiya Hospital & Research Center

  • S L Raheja Hospital

  • Holy Family Multispeciality Hospital Bandra

  • Apollo Spectra Hospital - Chembur, Mumbai

  • Zen Multi Speciality Hospital, Chembur, Mumbai

 

Shopping and Entertainment in Sion

  • K Star Mall

  • Cubic Mall - Chembur

  • Link Square Mall

  • Nakshatra Mall Dadar

RERA

Registration details and documents for Altaire Collection

RERA No.
P51900021031
Registered with
MahaRERA
Possession
Dec 2025
Status
Ready & Under Construction
Promoter
Siddha Group

Altaire Collection QR Codes

RERA QR code P51900021031
P51900021031

Scan to see Altaire Collection on the MahaRERA website, under registered projects.

Documents for Altaire Collection

  • Proforma Sale AgreementAltaire Collection Proforma Sale Agreement
  • Proforma Allotment LetterAltaire Collection Proforma Allotment Letter
  • Layout PlanAltaire Collection Layout Plan
  • Legal Title ReportAltaire Collection Legal Title Report
  • Commencement CertificateAltaire Collection Commencement Certificate

You can verify the registration, approvals and project progress on the RERA website using the number above. Open MahaRERA website ↗

Home Loan

Estimate your monthly EMI and compare bank rates

Your monthly EMI
Principal
Total interest
Total payable

Indicative EMI. The loan amount starts at 80% of the starting price; actual rates depend on the bank and your profile.

Banks offering home loans

  • Aditya Birla Capital Aditya Birla Capital8.00% - 13.00%
  • Axis Bank Home Loan Axis Bank Home Loan7.60% - 8.05%
  • Bajaj Finserv Bajaj Finserv7.70% - 14.00%
  • Bank of Baroda Bank of Baroda7.45% - 8.80%
  • Citi Bank Citi Bank6.50% - 7.40%
  • HDFC Home Loans HDFC Home Loans8.60% - 9.50%
  • ICICI Bank ICICI Bank8.40% - 9.45%
  • LIC Housing Finanace LIC Housing Finanace8.00% - 9.25%
  • PNB Housing PNB Housing8.25% - 11.20%
  • SBI Home Loans SBI Home Loans8.05%-8.55%

About Siddha Group

The developer behind Altaire Collection

  • 4 ★Developer rating
  • 40 yearsExperience (since 1986)
  • 6Live projects
Locations Mumbai
Since its inception in 1986, we have been creating homes and workspaces with a difference, to make good living affordable in Kolkata, Jaipur, Mumbai, and now in Bangalore as well. Led by Group Chairman Chandra Prakash Jain and Group Managing Director Sanjay Jain we create and sell high-quality housing in India.

More projects by Siddha Group

All Siddha Group projects in Mumbai →

FAQs

Quick answers about Altaire Collection

Where is Altaire Collection located?

Altaire Collection is located at Sion Mumbai.

What is the price of Altaire Collection?

Prices at Altaire Collection range from ₹ 2.15 Cr – 3.14 Cr (agreement value). Homes are available as 2, 3, 4 BHK.

Which configurations are available at Altaire Collection?

The project offers 2, 3, 4 BHK homes. Carpet areas range from 715 – 1,043 sq.ft.

What is the RERA number of Altaire Collection?

The RERA registration number of Altaire Collection is P51900021031.

When is the possession of Altaire Collection?

Possession is expected by Dec 2025, as per the RERA registration.

Who is the developer of Altaire Collection?

Altaire Collection is developed by Siddha Group. The developer has been in real estate since 1986.

How many floors does Altaire Collection have?

The project has 40 floors. It is spread across 6.5 acres.

What amenities does Altaire Collection offer?

Amenities include Club house, Gym, Jogging Track, Kids Play Area, Swimming Pool, Yoga Zone and more.

Which banks give home loans for Altaire Collection?

Home loans are available from Aditya Birla Capital, Axis Bank Home Loan, Bajaj Finserv, Bank of Baroda, Citi Bank, among others. Our team can help you compare offers.

How do I book a site visit to Altaire Collection?

Use "Schedule Site Visit" on this page or call +91 70456 70457. Keystone LIV arranges a free guided visit, with pick-up on request.

Compare Altaire Collection with similar projects

Price, size and possession side by side

Altaire CollectionThis project Sion Arihant Niwara Sky Sion Arihant Amara Sky Sion Raymond Sion Sion
Price₹ 2.15 Cr – 3.14 Cr₹ 1.22 Cr – 3.21 Cr₹ 1.25 Cr – 2.41 Cr₹ 3.09 Cr – 9.94 Cr
Price / sq.ft₹ 30,070₹ 27,727₹ 25,000₹ 42,917
Configurations2, 3, 4 BHK1, 2, 3 BHK1, 2, 3 BHK2, 3, 4 BHK
Carpet Area715 – 1,043 sq.ft440 – 1,155 sq.ft500 – 965 sq.ft720 – 2,313 sq.ft
PossessionDec 2025Nov 2024Dec 2028Dec 2031
DeveloperSiddha Group · 4★Dream Arihant Infra LLP · 4★Dream Arihant Infra LLP · 4★Raymond Realty · 4.5★
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