HDB blocks completed on/ after 1 January 1994 or have undergone the Main Upgrading Programme (MUP)/ Home Improvement Programme (HIP) are provided with higher electrical loading of 40amps main switch.
If you are unsure of your block's electrical loading, you can use the Electrical Loading of Your HDB Block e-Service to check. You need not apply for a permit from HDB to install an air-conditioner or higher capacity electrical equipment/ appliances if your flat is provided with higher electrical loading.
Alternatively, you can call our Branch Service Line at 1800-225-5432 (toll-free) to enquire.
The general terms and conditions here apply to electrical works carried out in HDB flats. These terms are in addition to technical conditions already put in place for electrical works and installation of air-conditioners.
Certain types of electrical work in your flat will require you to obtain a permit from HDB before they can be carried out. All guidelines set by us must be followed regardless of whether a permit is required to carry out a specific electrical work.
Please seek HDB’s approval before starting electrical works that involve:
You must strictly observe the terms and conditions listed here along with other conditions or guidelines put in place by us for such works. Failing to follow these terms and conditions will be treated as unauthorised work.
Approval is given on the basis of electrical rating only. The approval is not an endorsement of the safety, reliability, or suitability of the appliance for the expressed/ implied purposes by the manufacturer.
You need to ensure that electrical rating of appliances corresponds to the electrical rating stated in its catalogue/ brochure that you submitted to HDB for approval. The approval can be revoked if a difference is discovered.
Please indemnify and keep HDB indemnified at all times against all claims and proceedings for:
HDB reserves the right to vary these terms and conditions as and when required. Any approval granted will be subject to the prevailing terms and conditions as varied by HDB from time to time.
You should observe and comply with other rules and regulations as HDB and the Town Council may make from time to time in relation to the execution of electrical renovation work in HDB flats.
Flats without higher electrical loading will require an HDB permit to install new 15amps power points for air-conditioners or other higher capacity equipment/ appliances.
New 15amps power point or 20amps isolator
Flats provided with 30amps main switch:
The tables here show the types of electrical work which do not require a permit from HDB. They are, however, subject to guidelines and conditions.
New 15amps power point/ 20amps isolator
Flats provided with 40amps main switch and flats upgraded under MUP/ Home Improvement Programme (HIP):
If you wish to change ownership of your flat without a sale (i.e. without monetary consideration), find out more about the types of ownership changes and the eligibility conditions.