You need to complete and/or submit the following documents when applying for the permit:
• Documentary proof of your ownership of the flat.
• Application form for electrical installations/extension and air-conditioner installation in HDB flats (available at HDB Branch Offices or on the HDB InfoWEB).
• SP Services Ltd’s Form CS/5 (available at SPSL offices or from your EMA-licensed electrical contractor) if you install a new power point or reposition the existing power point for your air-conditioner.
You and your contractor must sign the application forms.
You can purchase the flat layout plan for your flat from your HDB Branch Office or use the plan in your sales brochure.
• Documentary proof of your ownership of the flat.
• Application form for electrical installations/extension and air-conditioner installation in HDB flats (available at HDB Branch Offices or on the HDB InfoWEB).
• SP Services Ltd’s Form CS/5 (available at SPSL offices or from your EMA-licensed electrical contractor) if you install a new power point or reposition the existing power point for your air-conditioner.
You and your contractor must sign the application forms.
You can purchase the flat layout plan for your flat from your HDB Branch Office or use the plan in your sales brochure.
This answer is based on HDB and agency guidelines, which can change. Check the latest rules on the HDB website, or ask us and we will check them for your flat before work starts.
Planning a renovation? We handle permits and approvals for you.
Get a free quoteMore questions on aircon and electrical
- What should I know before installing air-conditioning in my HDB flat?
- What must I do if I want to install an air-conditioner?
- What type of air-conditioner can I install?
- Can I install any number of air-conditioners in blocks with 40 amperes supply?
- How do I tell whether my block is provided with a 40-amp supply/upgraded under the Main Upgrading Programme (MUP) or 30-amp supply?
- Who is responsible for the air-conditioner?
- Who is responsible for unauthorized electrical extensions or appliances installed in the flat?
Related guide: Bedroom design guide (aircon and wardrobe planning)


