EIRENE Dadar West — The 18-Storey Joint-Venture Luxury Tower on Post Office Lane
EIRENE is an 18-storey luxury residential project on Post Office Lane in Dadar West, developed as a joint venture between Kosmos Developers and West Avenue Realty. Property Butler is live with three units in the high-floor (16–25) band: a 2 BHK at ₹3.48 Cr+ (774 sqft, high-floor, open view), a 3 BHK at ₹4.19 Cr+ (931 sqft, high-floor, open view), and a 4 BHK at ₹6.30 Cr+ (1,568 sqft, high-floor, open view). Possession is targeted Mid 2027 — approximately 13 months out from May 2026, which puts EIRENE squarely in the medium-term under-construction window. The thesis here is sharp: Dadar West luxury new construction in the 18-storey contemporary format is structurally rare — the Dadar West micromarket is dominated by 1950s–1990s Plot Society legacy buildings, and the count of contemporary 16-storey-plus luxury new-launches actively selling under ₹7 Cr is small. EIRENE asking PSF at ₹40,178–₹44,994/sqft sits within the Dadar West contemporary-construction band, with the 4 BHK 1,568 sqft format at the lowest PSF (₹40,178/sqft) reflecting the larger-format pricing discipline that's increasingly common in Dadar West luxury releases.
EIRENE · Dadar West · May 2026
₹3.48 Cr — ₹6.30 Cr
2 BHK · 3 BHK · 4 BHK · 774 – 1,568 sqft · High Floor (16–25) · Possession Mid 2027
Snapshot — At a Glance
Why EIRENE — Buyer Perspective
The buyer for EIRENE is the Dadar West buyer who has consciously decided that contemporary 18-storey construction with high-floor exposure is worth 35–40% PSF premium over the legacy Plot Society stock in the same micromarket. Three identifiable cohorts. Cohort one is the Dadar West local trade-up family exiting a 1960s–1980s Plot Society building in Hindu Colony, Shivaji Park, Five Gardens or the Dadar West grid — for this buyer, the upgrade story is structural redundancy, lift-and-power-backup reliability, modern plumbing, secure parking, and the cultural-continuity comfort of staying in the same micromarket. Cohort two is the Bandra/Khar trade-up buyer looking south for value — Dadar West luxury new construction at ₹40,000–45,000/sqft prices roughly 25–35% below comparable Bandra West new-launch product, and the 1,568 sqft 4 BHK at ₹6.30 Cr is the kind of family-sized format that Bandra West rarely offers under ₹9 Cr at the same configuration. Cohort three is the investor with a 5–7 year hold view playing the Dadar West infrastructure-led re-rating story (the central Mumbai metro corridor, the proximity to Dadar Railway Station, the long-term Coastal Road completion impact on western-corridor commute times all converge to support a structural Dadar West price uplift narrative).
The pros: the 18-storey contemporary built form is structurally rare in Dadar West, where the dominant building stock is 1950s–1990s 4–10 storey Plot Society construction; high-floor (16–25) exposure in an 18-storey project means the Property Butler tracked inventory occupies the upper full-view band of the building, with open-view orientation across all three units; configuration breadth from 774 sqft 2 BHK at ₹3.48 Cr to 1,568 sqft 4 BHK at ₹6.30 Cr offers a real ladder for first-home buyers, mid-career upgraders and family upgrading households; the Mid-2027 possession is approximately 13 months out — a medium-term construction window that lets buyers lock pre-OC pricing without 4-5 year execution risk; the joint venture structure between Kosmos Developers and West Avenue Realty distributes execution and capital risk across two operators rather than concentrating on a single developer; and the location on Post Office Lane in Dadar West offers walking-distance access to Dadar West's core retail, F&B and cultural anchors. The cons we are honest about: Dadar West does not carry the Bandra West / Worli social-brand-recognition premium that some buyers price into purchase decisions, so the resale narrative needs to anchor on connectivity, value-per-rupee and infrastructure thesis rather than address-prestige; the joint-venture developer structure requires careful diligence on the Master Development Agreement, profit-sharing and operational decision-making framework — the buyer should review the JV structure with a real-estate lawyer before signing the agreement; Dadar West is a dense micromarket with multiple competing new-launches at similar 16–18 storey scale through 2027–2028, so the 24–48 month post-OC resale window may face short-term pressure as competing inventory comes through; and the all-in cost on the 4 BHK at ₹6.30 Cr+ (where the "+" indicates the price has scope to move, typically reflecting under-construction price-revision clauses) is something to lock in writing during the agreement stage.
Configuration & Pricing Ladder
The pricing ladder shows a deliberate developer pattern that buyers should recognise. The 2 BHK at ₹44,961/sqft and 3 BHK at ₹44,994/sqft are essentially priced at the same per-square-foot rate, which signals a uniform compact-luxury tier — the per-sqft rate is the primary anchor and the buyer's choice between 774 sqft and 931 sqft is purely a household-size decision. The 4 BHK at 1,568 sqft prices materially lower at ₹40,178/sqft, an 11% per-sqft discount versus the 2/3 BHK rate. This is a classic large-format pricing discipline — when the 4 BHK absolute ticket reaches ₹6.30 Cr+, the developer recognises the buyer pool thins out (most Dadar West family upgraders are working with ₹4.5–6.5 Cr budgets) and prices the per-sqft lower to keep absolute ticket within the addressable buyer range. For the buyer, the takeaway is that the 4 BHK is the per-sqft value pick of the ladder if the household actually needs 1,568 sqft of carpet; the 3 BHK at ₹4.19 Cr+ at 931 sqft is the right-sized choice for a 4-person family that wants three bedrooms, a study, and contemporary high-floor exposure. The "+" on each price tag is meaningful — it indicates under-construction price-revision clauses that typically allow a small upward movement based on construction progress milestones; this should be locked in writing with a hard ceiling at the agreement stage.
Comparison vs Two Nearest Peer Buildings — Suraj Park View, Park 55 (Dadar West)
The peer set frames the EIRENE trade. Three contemporary Dadar West new-launches sit in essentially the same PSF band (₹38,500–₹49,500), so the differentiator is not absolute price — it is product configuration and developer execution profile. EIRENE wins on the 4 BHK 1,568 sqft format (Suraj Park View and Park 55 are both 2/3 BHK only at this carpet range), and on the joint-venture developer structure that distributes execution risk. Suraj Park View benefits from Shivaji Park geographic adjacency, which carries cultural and walking-amenity weight with the Dadar West local buyer pool. Park 55 plays the established mid-tier brand recognition. For the family upgrader who specifically needs a 4 BHK in the 1,500–1,600 sqft format and finds the joint-venture developer structure acceptable, EIRENE is the cleanest fit.
Location & Connectivity — Dadar West Post Office Lane
Post Office Lane is part of the Dadar West central grid, with walking-distance access to the Dadar West retail and cultural anchors. From EIRENE: Dadar Railway Station (Western Line) ~1.0 km (5 minute drive, 12–15 minute walk) — Dadar's Western Railway side connects the entire Mumbai western suburban network from Churchgate up through Borivali and beyond; Dadar Central Railway side ~1.5 km. Mumbai Metro Line 3 (Aqua Line) — once the full Bandra-to-Cuffe Parade segment is operational, Line 3 access from the Dadar/Mahalaxmi corridor opens compressed BKC and Cuffe Parade business district commute times. Lower Parel commercial belt ~3 km (10–15 min off-peak), BKC ~7 km (20–30 min via Sea Link), Worli Sea Face ~3.5 km, Bandra Worli Sea Link entry ~5 km, Chhatrapati Shivaji International Airport ~14 km via Sea Link (25–35 min off-peak). Walking-distance neighbourhood anchors include Shivaji Park (the largest urban park in central Mumbai and one of Dadar West's defining cultural landmarks, ~1.0 km), Dadar West Plaza Cinemas, Dadar Phool Market, Mahim Causeway shopping spine, the historic Khodadad Circle, and the deeply established Maharashtrian and South Indian restaurant cluster (Aaswad, Prakash, Gomantak Bhavan, Mama Kane). Schools include IES Manik Vidya Mandir, Children's Academy, Bombay Scottish at Mahim (~3 km), JB Vachha High School (~1.5 km). Hospitals: KEM Hospital at Parel (~3 km — among the most consequential public teaching hospitals in India), Tata Memorial at Parel (~3 km), Hinduja Healthcare at Mahim (~3 km), Wockhardt Mumbai Central (~5 km).
Property Butler's Verdict
This is a buy-with-conviction product for the Dadar West buyer who has decided on the micromarket, values contemporary 18-storey construction over legacy Plot Society stock, and finds the joint-venture developer structure acceptable. The 3 BHK at ₹4.19 Cr+ (931 sqft, high-floor open view) is the unit we would underwrite first for a 4-person family upgrading from a 1970s–1980s Dadar West Plot Society 2 BHK — proper carpet for three bedrooms, structural redundancy, lift reliability, and the high-floor (16–25) exposure that defines the upper-floor view band of the building. The 4 BHK at ₹6.30 Cr+ (1,568 sqft) is the per-sqft value pick of the ladder for the larger family or the multi-generational household — at ₹40,178/sqft it is the lowest PSF in the building, reflecting the developer's pricing discipline on the larger format. The 2 BHK at ₹3.48 Cr+ (774 sqft) is the right-sized first-home or NRI investment entry. Skip if you are a Bandra West / Worli brand buyer — Dadar West does not carry equivalent address prestige and the resale narrative will not anchor on social signalling. Skip if you cannot absorb a 13-month under-construction window — there are ready-to-move alternatives in Dadar West legacy stock (older but immediately occupiable) at lower PSF if construction risk tolerance is low. Negotiate on: (1) the price-revision ceiling (the "+" on quoted prices needs a hard cap in writing), (2) the joint-venture profit-sharing and execution-decision framework as it affects buyer rights post-OC, (3) parking allotment specification (covered, basement, vehicle-size-specific), (4) finish specification on flooring, kitchen and bathroom hardware before agreement registration, and (5) maintenance-corpus deposit terms set by the developer prior to apartment-owners' association formation. — Property Butler
Property Butler Inventory in EIRENE
Three live units in the high-floor (16–25) band, all open-view orientation:
- 2 BHK · 774 sqft · ₹3.48 Cr+ · Open View · High Floor (16–25) · Builder finish · Possession Mid 2027
- 3 BHK · 931 sqft · ₹4.19 Cr+ · Open View · High Floor (16–25) · Builder finish · Possession Mid 2027
- 4 BHK · 1,568 sqft · ₹6.30 Cr+ · Open View · High Floor (16–25) · Builder finish · Possession Mid 2027
Want a tour walkthrough on EIRENE Dadar West?
WhatsApp us about EIRENEFAQ — EIRENE Dadar West
Is EIRENE RERA approved?
Yes. EIRENE is RERA-registered. Property Butler can share the registration number with serious buyers at the shortlist stage. The project is currently under construction with possession targeted Mid 2027.
What is the PSF in EIRENE?
Property Butler's tracked inventory at EIRENE prices at approximately ₹40,178–₹44,994 per sqft on carpet area for the high-floor (16–25) open-view band. The 4 BHK 1,568 sqft format prices at the lowest PSF (₹40,178/sqft); the 2 BHK and 3 BHK formats price at essentially the same per-sqft rate (₹44,961 and ₹44,994/sqft respectively).
When is possession at EIRENE Dadar West?
Mid 2027 — approximately 13 months from May 2026. The project is currently under active construction. The buyer is taking on a medium-term execution window in exchange for the under-construction PSF entry point.
What configurations are available at EIRENE?
Three configurations available across the project: 2 BHK (774 sqft carpet, ₹3.48 Cr+), 3 BHK (931 sqft carpet, ₹4.19 Cr+), and 4 BHK (1,568 sqft carpet, ₹6.30 Cr+). All three Property Butler tracked units are high-floor (16–25) with open-view orientation in the 18-storey project.
Who is the developer of EIRENE?
EIRENE is a joint-venture project between Kosmos Developers and West Avenue Realty. The joint-venture structure distributes execution and capital risk across two operators rather than concentrating on a single developer, but buyers should review the Master Development Agreement and joint-venture profit-sharing framework with a real-estate lawyer before signing the agreement.
How far is EIRENE from Shivaji Park?
Approximately 1.0 km — walking distance to Shivaji Park, the largest urban park in central Mumbai and one of Dadar West's defining cultural and recreational landmarks. The proximity is a meaningful livability differentiator versus Dadar East new-construction options.
Are home loans approved at EIRENE?
Yes — major banks (HDFC, ICICI, SBI, Kotak, Axis, LIC Housing) routinely approve construction-linked disbursement on RERA-registered Dadar West under-construction inventory. The "+" on EIRENE's quoted prices reflects under-construction price-revision clauses that should be capped in writing at the agreement stage. Property Butler can introduce a banker once you shortlist a unit.