You will need a permit for all building works except for insignificant building works, as stated in the First Schedule of the Building Control Regulations.
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You will need a permit for all building works except for insignificant building works, as stated in the First Schedule of the Building Control Regulations.
Approval for building plans | Permit to start structural works |
A QP who is a registered professional engineer in the civil or structural discipline. | The developer, QP and builder who will carry out the works must make a joint application. |
When to submit applications
Type of submission | Time taken for BCA to respond (working days) |
Project where an accredited checker’s certificate is not required | 7 |
Projects where an accredited checker’s certificate in required | 10 (First submission) 14 (Subsequent submissions) |
Permit to carry out structural works | 7 |
Indicated timeframe is only applicable for applications for plan approval that fulfils regulatory requirements in the first instance. In addition, BCA requires longer response time when the appointed QP demonstrates poor submission quality for his/her previous structural plan submissions, such as having a high number of Written Directions.
You can apply for a permit together with your application for approval of structural plans or after obtaining plan approval.
You can seek approval of structural plans in phases (e.g. piling, substructure or basement and superstructure), or submit multiple plans for independent structures if your project is complex.
If there are material changes (i.e. changes that require a re-design of key structural elements) to the approved plans during building, you must obtain approval before carrying out the proposed change on site. If changes are immaterial (i.e. changes that do not affect any key structural element or if they do, the effects are localised in nature and do not require a re-design of key structural elements), you can proceed without prior approval. However, you must keep and maintain a record of all changes and incorporate them in subsequent structural plans.
You must submit the following forms and documents for building plan approval and permit for start structural works.
Application type | Required forms and documents |
Approval of structural plan |
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Permit to start structural works |
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Exceptional cases will require additional forms and documents as follows.
Submission type | Required forms and documents |
Those requiring an AC certificate |
Note: Refer to the Second Schedule of the Building Control (Accredited Checkers and Accredited Checking Organisations) Regulations and Fourth Schedule of the Building Control Regulations for information on works requiring and exempted from an AC. |
Those involving A&A works |
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For Geotechnical Building Works (GBW) |
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For fixings of claddings | QP should provide certification letter in Appendix G from main QP and AC (if QP cladding is different from main QP) on load transfer consideration. |
For Alternative Solution | The QP for structural works is to submit the form BCA-BE-AS (Schedule of Alternative Solutions). |
For site investigation works | The certification as shown in Appendix A shall be indicated on the first and last page of site investigation report. The document shall accordingly be endorsed by a Professional Engineer. |
Design Considerations for Earth Retaining or Stablising Structures (ERSS) | Apr 2024 | |
Supervision of pile load test & piling works and Monitoring of building settlement | Apr 2024 | |
Site Inspection and Approval Records and Ground Movement Assessment Record for tunnelling works | Apr 2024 | |
Communication Plan for Landed Development Projects: | Apr 2024 | |
Deployment of site supervisor(s) at different phases of construction | Jan 2018 | |
Template for Site Supervision Plan | Apr 2024 | |
Appointment of Site Supervisors for Permit to Carry Out Structural Works (For Non-Singpass User) | Mar 2025 |
You can apply for both the approval of structural plans and permit to carry out structural works via the CORENET e-Submission system.
Plan Fee
Requirements on Site Supervisors
Guidelines to Prepare Plans and Permit Applications
For ST submission for Landed Properties, you may refer to the new ST Checklist for document requirements.
Record Plans Approval
Pre-construction Survey
Download the lists of registered AC, ACO and SAC:
Registered Individual Accredited Checkers (AC)
Registered Accredited Checkers In An Accredited Checking Organisation (ACO)
Register of Specialist Accredited Checkers (Geotechnical Aspects)
Applications for renewal of AC, SAC and ACO registration should be submitted at least one month before expiry. BCA will process the renewal within 30 days (working days) upon receipt of the application with completed documents.
List of Universities for Resident Engineer