Olympia Opaline Crystal and Diamond (RERA TN/01/BUILDING/0335/2018): price, possession and the verified record
Olympia Opaline Crystal and Diamond is a 23.24-acre, 288-unit project by Olympia Group at Navallur, OMR, Chennai, registered with TN RERA as TN/01/BUILDING/0335/2018 and listed at 37L - 38.46L.
Is Olympia Opaline Crystal and Diamond RERA approved?
Yes. It is registered with TN RERA under TN/01/BUILDING/0335/2018, covering 23.24 acres with 288 residential units and 0 recorded approvals.
- Building plan approvalNot in the reviewed filing
- AAI height clearanceNot in the reviewed filing
- Environment clearanceNot in the reviewed filing
- Fire scheme approvalNot in the reviewed filing
- Consent to establishNot in the reviewed filing
- Occupancy certificateNot expected until completion
Source: TN RERA registration certificate TN/01/BUILDING/0335/2018.
When is possession at Olympia Opaline Crystal and Diamond?
The record gives one declared completion date: Mar 2022. A declared date is what the promoter filed, not proof of delivery.
None of these is an occupancy certificate. A declared completion date is what the promoter filed, not proof of delivery.
Source: the promoter's RERA filing (Form REP-I) and the authority's registered-project index.
What is the price of Olympia Opaline Crystal and Diamond?
Publicly listed at 37L - 38.46L. No dated, unit-specific price list was sourced against this registration, so treat the band as indicative rather than an offer.
Amenities on record
- Swimming Pool
- Kids Pool
- Gymnasium
- Tennis Court
- Basketball Court
- Badminton Court
- Mini Theatre
- Kids Play Area
- Landscaped Gardens
- Clubhouse (Club Opal)
- Jogging Track
- Park
- Velammal School (On-site)
- Polyclinic
- ATM
- Security Room
- Multipurpose Hall
Source: the filed unit schedule. Price band from public listings; not promoter-confirmed.
Who is the developer of Olympia Opaline Crystal and Diamond?
The promoter on record is Olympia Techpark (Chennai) Pvt Ltd, marketed as Olympia Group, registered at Plot No. 1, SIDCO Industrial Estate, Guindy, Chennai - 600032. The declared project cost is ₹70 Cr.
₹10 Cr of the declared cost is not attributed to any named head — that is 14% of the project with no breakdown anywhere in the filing.
See all RERA projects by Olympia Group
The RERA escrow account is HDFC Bank, A/c 50200013835418, IFSC . Seventy per cent of buyer collections must sit there — payments made outside it are outside the RERA protection.
Source: the authority's promoter disclosure and the filed financial schedule.
What does Olympia Opaline Crystal and Diamond look like?
3 images published by the promoter — renders, site photography and brochure material. These show how the project is being sold; the approved drawings below show what was actually sanctioned.
Source: promoter and public material, reviewed for provenance before publication. Not filed evidence.
Is it safe to buy in Olympia Opaline Crystal and Diamond?
The registration itself is sound — identity, scope and phase all check out. 2 things are still open, and the completion date is the one field two authority sources disagree on. Resolve that before you pay.
Source: Site Setu agent-reviewed dossier, 2026-07-30. Record-quality assessment, not investment advice.
The verified record behind this page
Every figure above comes from a document filed with TN RERA. This is the audit that produced them — 4 dimensions assessed, every fact carrying its own confidence.
Record review
Agent-reviewed 2026-07-30 · 7 facts checked · 4 dimensions · 1 unresolved conflict
- Registration
- Tn/01/Building/0335/2018Retained TN-RERA approval, carpet and QPR documents carry this registration.
- high
- Registered scope
- Crystal T1 and Diamond T2 EWS blocksThe number is not a certificate for the whole Opaline campus or Sequel towers.
- high
- Towers and units
- 2 stilt-plus-12 towers; 288 one-BHK apartments144 units in each T1/T2 block per retained schedule.
- high
- Location context
- Navalur, ChennaiRetained TN-RERA data links the EWS blocks to the wider Opaline site at Navalur.
- medium
- Promoter entity record
- Olympia Techpark (Chennai) Pvt Ltd / Olympia Infratech (P) LtdThe retained QPR and approval records use different entity names; this is disclosed as a conflict.
- conflicting
- Physical status
- 100% complete in retained September 2024 QPRThis is a dated progress report, not a completion or occupancy certificate.
- high
- Current commercial terms
- Not independently verifiedThe ₹37–38.46 lakh range is not a reviewed current offer or available-unit report.
- not-found
▸ How this review was done, and what it excluded
- Authority
- TN RERA
- Registration
- TN/01/BUILDING/0335/2018
- Documents seen
- 8 drawing sets, 3 authority documents
- 3D reconstruction
- Not built
- Not established
- Occupancy certificate, current construction progress, live inventory, dated unit-level offer
Source: Retained TN-RERA approval, carpet-area and completed-QPR documents with canonical reconciliation
The same filings, as a working project plan
A RERA filing already contains a programme, a cost plan, an approvals register and a drawing register — just locked inside PDFs. This is that filing rendered as a live Site Setu workspace, with nothing added.
Overview
Olympia Opaline Crystal and Diamond
Record timeline
- 31.03.2022Marketing possession claimweakest
- Mar 2022Filed completion targetRetained timeline context gives this date; it is not an OC/CC issuance.
Project card
- Promoter
- Olympia Techpark (Chennai) Pvt Ltd
- Registration
- TN/01/BUILDING/0335/2018
- Authority
- TN RERA
- Units
- 288
- Escrow
- HDFC Bank
This is a read-only view built from the filing. In your own workspace these become live — progress, spend and inventory update as your site team reports them.
Every value read from this project’s own filing. Where the record publishes nothing — construction progress, collections, sold inventory — the workspace shows an empty column rather than an invented number.
Other registered projects nearby
Same corridor, same authority. Compared on what is filed, not on what is advertised.
| Project | Promoter | Price | Possession |
|---|---|---|---|
| Olympia Opaline Crystal and Diamond | Olympia Group | 37L - 38.46L | Mar 2022 |
| Olympia Park Residence | Olympia Group | On request — contact developer / RERA-registered sales office | — |
| Olympia Jayanthi Residences | Olympia Group | On request — contact developer / RERA-registered sales office | — |
| Olympia Opaline Sequel | Olympia Group | On request — contact developer / RERA-registered sales office | — |
| Olympia Panache | Olympia Group | On request — contact developer / RERA-registered sales office | — |
| Olympia Grande | Olympia Group | On request — contact developer / RERA-registered sales office | — |