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Minimum Occupation Period

The Minimum Occupation Period (MOP) is calculated from the date the sellers collect the keys to the flat. It excludes any period where they do not occupy the flat, such as when the whole flat is rented out or when there has been an infringement of the flat lease.

The MOP duration depends on the purchase mode, flat type, and date of flat application:

Purchase Mode


Flat purchased from HDB

5 years

Design, Build and Sell Scheme (DBSS) flat purchased from a developer

5 years

Flat purchased under the Selective En bloc Redevelopment Scheme (SERS)

Either 1 of the following:

  • 7 years from the date of flat selection. This includes the wait time and occupation time
  • 5 years from the date of occupation

Flat purchased under SERS with Portable SERS Rehousing Benefits

5 years

Resale flat purchased from the open market with CPF Housing Grant

5 years

Resale flat purchased from the open market without CPF Housing Grant

1-room flat


2-room flat or bigger

Application date on or after 30 August 2010

5 years

Application date between 5 March to 29 August 2010

3 years

Before 5 March 2010

2.5 years with an HDB loan and 1 year without an HDB loan

You can check if the sellers have fulfilled the MOP by using the Request for Confirmation of Eligibility to Sell Your HDB Flat.