Online tools

Electronic Submission Hub (ESH)

Important Notice

  • Online briefing session: the third online briefing session will be conducted on 23rd September 2022 to provide the latest information, reference materials and highlights on the overview, requirements, functions and features of Stage 1 of ESH. All industry practitioners are welcome to join the briefing session. Please click here for details and registration.
  • Online ESH trial workshops: online ESH trial workshops (prior registration is required) with hands-on tutorial sessions on using ESH are now available for industry practitioners. Please click here for details and registration before 31 October 2022.

Buildings Department (BD) is spearheading the development of the Electronic Submission Hub (ESH) (https://esh.bd.gov.hk) as a digital platform for receiving and processing of building plans, documents and applications submitted under the Buildings Ordinance (Cap. 123), as an alternative means to the present paper-based mode of submission. ESH is a web-based platform operating 24 hours a day and 7 days a week all year round, excluding scheduled maintenance and unexpected downtime.

ESH will be implemented in three stages. Stage 1 of ESH is launched on 30 June 2022 to accept structural plan submissions for building works above ground not requiring cross-departmental referral (excluding alteration and addition works).

In Stage 2 and Stage 3, ESH will be extended to cover submissions which will require processing by some organisations or departments including those under the Works Branch of the Development Bureau and all types of plan submissions respectively. Details of the requirements on the format, manner and procedures for making electronic submissions via ESH are provided in the Practice Note for Authorized Persons, Registered Structural Engineers and Registered Geotechnical Engineers (PNAP) ADM-17 as well as Practice Note for Registered Contractors (PNRC) 42.

Two briefing sessions for Stage 1 of ESH were conducted in March 2022. Featured videos of the briefing sessions are available here.

For enquiries, please contact esh-helpdesk@bd.gov.hk or ESH hotline at 3580 1000.

  1. System Requirements for Desktop Version
    • CPU: 2 Cores (2.0 GHz per core)
    • Memory: 8GB
    • Storage: 10GB free storage
    • Operation System: Microsoft Windows 8.1 or above, MacOS
    • Browser: Microsoft Edge, Google Chrome, Mozilla Firefox or Safari (MacOS)
    • Software: Adobe Acrobat Reader
    • HTML version: HTML5
    • Encryption: TLS 1.2
    • JavaScript: Enabled
    • Cookies: Enabled
    • Chinese Character Support: Hong Kong Supplementary Character Set (HKSCS-2008)
  2. System Requirements for Mobile Version
    • Operating System: iOS 13 or above, Android 9 or above
    • Browser: Mozilla Firefox (iOS and Android), Google Chrome (iOS and Android) or Safari (iOS)
    • HTML version: HTML5
    • Encryption: TLS 1.2
    • JavaScript: Enabled
    • Cookies: Enabled
In stage 1, ESH accounts for authorized persons (AP), registered structural engineers (RSE), registered geotechnical engineers (RGE), authorized signatories of registered general building contractors and specialist contractors have been created, and representatives of owners and collaborators of the project teams could register an ESH account by the invitation from the project AP/RSE/RGE in the ESH.
New users using ESH for the first time are required to activate their accounts by logging into ESH and authenticating their identity with a valid digital certificate issued by certification authorities recognised by the Government Chief Information Officer under the Electronic Transactions Ordinance (Cap.553) (ETO) or by using "iAM Smart" mobile application.
ESH supports digital certificates issued by the certification authorities listed below:
  1. Hongkong Post Certification Authority
  2. Digi-Sign Certification Services Limited
Note: Types of digital certificates acceptable to be used in ESH are listed below:
  1. For authorized persons (AP), registered structural engineers (RSE), registered geotechnical engineers (RGE) and authorised signatories of registered contractor
    1. Hongkong Post e-Cert (Personal)
    2. Digi-Sign Personal ID-Cert Class 1, Class 8
    3. iAM Smart
  2. For others including owners and collaborators
    1. Hongkong Post e-Cert (Personal)
    2. Hongkong Post e-Cert (Organisational)
    3. Digi-Sign Personal ID-Cert Class 1, Class 8
    4. Digi-Sign Organisational ID-Cert Class 2, Class 9
    5. iAM Smart
Features and Limitations of Digital Certificates in ESH
Types of Digital Certificate Digital Certificate Subscription Fee Availability for Using in Signing on Different Platforms of ESH Availability for Signing of Multiple Documents at a Time Security Protection
  1. Hongkong Post e-Cert (Personal)
  2. Hongkong Post e-Cert (Organisational)
  3. Digi-Sign Personal ID-Cert Class 1
  4. Digi-Sign Organisational ID-Cert Class 2
 Required Desktop Computer (Microsoft Windows, MacOS) Yes Password
  1. Hongkong Post e-Cert (Personal) with "Mutual Recognition" Status
  2. Hongkong Post e-Cert (Organisational) with "Mutual Recognition" Status
  3. Digi-Sign Personal ID-Cert Class 8
  4. Digi-Sign Organisational ID-Cert Class 9
 Required Desktop Computer (Microsoft Windows only) Yes Password
  1. iAM Smart
 Free of charge
  • Desktop Computer (Microsoft Windows, MacOS)
  • Mobile Device (iOS and Android)
 Will be available Biometric authentication function including facial recognition and fingerprint identification which is provided by one's personal mobile devices
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