I believe you should have something in mind, on which location you intend to have your lovely nest. Be it for your own stay or investment, make the right choice here. here, some Tips to qualify yourself.

Eligibility Condition to buy an EC in Open Market.
Executive Condominium (EC) owners who have occupied their EC and met the 5-year minimum occupation period (MOP) can sell their EC in the open market. The 5-year MOP is computed from the date of issuance of Temporary Occupation Permit (TOP) in respect of each EC.

After the 5-year MOP, from 6th to 10th year, EC can be sold in the open market to those who can meet the following eligibility conditions.

- Citizenship
You must be a Singapore Citizens (SC) or Singapore Permanent Residents (SPR) in order to buy a EC in the 6th to 10th year occupation period

Foreigners and corporate bodies can buy ECs in the open market from 11th year of the EC project. All restrictions will be lifted from 11th year onwards

- Family Nucleus
You need not form a family nucleus to buy a EC from the open market.
For e.g. a single person above 21 can buy a EC from the open market.

- CPF Housing Grant
Buyers of resale ECs are not eligible for CPF Housing Grant as such ECs are treated as equivalent to “private housing”.

However, From 11th year, all restrictions will be lifted. Foreigners and corporate bodies can buy ECs in the open market from 11th year of the EC project.

Type Of Executive Condominum Launches:

EC Project	Location	TOP Date
Eastvale	Pasir Ris Drive 3	27 Jan 1999
Westmere	Jurong East Street 13	27 Feb 1999
Simei Green	Simei Street 4	28 Apr 1999
Windermere	Choa Chu Kang Street 64	16 Sep 1999
Chestervale	Bangkit Road	20 Mar 1999
Pinevale	Tampines Street 73	28 Jul 1999
Yew Mei Green	Choa Chu Kang North 6	01 Sep 2000
Summerdale	Boon Lay Drive	08 Sep 2000
The Rivervale	Rivervale Link	28 Jun 2000
The Florida	Hougang Avenue 7	*18 Feb 2000 30 May 2000
Northoaks	Woodlands Crescent	03 Oct 2000
Woodsvale	Woodands Drive 72	05 Aug 2000
The Floravale	Westwood Avenue (Jurong West)	13 Oct 2000
The Eden	Tampines Street 34	16 Apr 2003
The Dew	Bt Batok Street 21	19 Jul 2003
Bishan Loft	Bishan Street 11	26 Sep 2003
Lilydale	Yishun Avenue 6	29 Mar 2003
Nuovo	Ang Mo Kio Avenue 9	#31 Aug 2004
Park Green	Rivervale Link	30 Sep 2004
Whitewater	Pasir Ris Street 72	*31 Jan 2005 01 Mar 2005
The Esparis	Pasir Ris Drive 4	#22 Jun 2005
The Quintet	Choa Chu Kang Street 64	23 Oct 2006
La Casa	Woodlands Drive 16	*22 Feb 2008

* Project received phased TOP:

• Florida (TFD)
  •  
    • Phase 1 consists of Blocks 70 & 78, TOP 18 Feb 2000.
    • Phase 2 consists of Blocks 72 & 76, TOP 30 May 2000.

• Whitewater (WEC)
  •  
    • Phase 1 consists of Blocks 27, 29, 31, 33, TOP on 31 Jan 2005.
    • Phase 2 consists of Blocks 21, 23 & 25, TOP on 1 Mar 2005.

• La Casa
  •  
    • Phase 1 consists of Blocks 50, 52, 54, 56 & 58 on 22 Feb 2008.
    • Phase 2 consists of Blocks 60, 62, 64, 66 & 68 on 25 Apr 2008.

                              # Certificate of Statutory Completion (CSC)

http://www.hdb.gov.sg/fi10/fi10321p.nsf/w/BuyingNewFlatEligibilityECOpen?OpenDocument#TOC60020_1